/
snap
/
core24
/
1587
/
usr
/
bin
/
/snap/core24/1587/usr/bin
mkdir
upload
Name
Size
Mode
Actions
aa-enabled
18744
0755
edit
dl
rm
aa-exec
18744
0755
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dl
rm
aa-features-abi
18736
0755
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dl
rm
addpart
14720
0755
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dl
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arch
35336
0755
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dl
rm
awk
170768
0755
edit
dl
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b2sum
55816
0755
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dl
rm
base32
39432
0755
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dl
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base64
39432
0755
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dl
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basename
35336
0755
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dl
rm
basenc
47624
0755
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dl
rm
bash
1446024
0755
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dl
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bashbug
6988
0755
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dl
rm
bunzip2
39296
0755
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dl
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busctl
96864
0755
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dl
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bzcat
39296
0755
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dl
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bzcmp
2225
0755
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dl
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bzdiff
2225
0755
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dl
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bzegrep
3775
0755
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dl
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bzexe
4893
0755
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dl
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bzfgrep
3775
0755
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bzgrep
3775
0755
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dl
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bzip2
39296
0755
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dl
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bzip2recover
18736
0755
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dl
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bzless
1297
0755
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dl
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bzmore
1297
0755
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dl
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captoinfo
92584
0755
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dl
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cat
39384
0755
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dl
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chage
72184
2755
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dl
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chardet
221
0755
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dl
rm
chardetect
221
0755
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dl
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chattr
14656
0755
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dl
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chcon
59912
0755
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dl
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chfn
72792
4755
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dl
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chgrp
59912
0755
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dl
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chmod
55816
0755
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dl
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choom
22912
0755
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dl
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chown
59912
0755
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chrt
31104
0755
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chsh
44760
4755
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cksum
104984
0755
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clear
14656
0755
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clear_console
14568
0755
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cloud-id
966
0755
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cloud-init
970
0755
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cloud-init-per
2108
0755
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dl
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cmp
43408
0755
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dl
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comm
39440
0755
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dl
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core-sshd-host-keygen
1521
0755
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coredumpctl
84648
0755
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dl
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cp
141848
0755
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csplit
51720
0755
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ctstat
23200
0755
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dl
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cut
39432
0755
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cvtsudoers
328808
0755
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dl
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dash
129784
0755
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date
109064
0755
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dbus-cleanup-sockets
14632
0755
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dbus-daemon
236176
0755
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dl
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dbus-monitor
26928
0755
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dbus-run-session
14640
0755
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dbus-send
31016
0755
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dbus-update-activation-environment
14632
0755
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dl
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dbus-uuidgen
14632
0755
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dl
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dd
72232
0755
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dl
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delpart
14720
0755
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dl
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df
89168
0755
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dl
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diff
137776
0755
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dl
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diff3
59920
0755
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dl
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dir
142312
0755
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dl
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dircolors
47632
0755
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dl
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dirname
35208
0755
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dl
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dmesg
70288
0755
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dl
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dnsdomainname
22760
0755
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dl
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domainname
22760
0755
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dl
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dpkg-deb
146000
0755
edit
dl
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dpkg-realpath
4185
0755
edit
dl
rm
du
100872
0755
edit
dl
rm
ec2metadata
8583
0755
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dl
rm
echo
35208
0755
edit
dl
rm
editor
1736392
0755
edit
dl
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egrep
41
0755
edit
dl
rm
env
48072
0755
edit
dl
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ex
1736392
0755
edit
dl
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expand
35360
0755
edit
dl
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expiry
27152
2755
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dl
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expr
43432
0755
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dl
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factor
64008
0755
edit
dl
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faillog
23168
0755
edit
dl
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fallocate
27008
0755
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dl
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false
26936
0755
edit
dl
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fgrep
41
0755
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dl
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finalrd
2112
0755
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dl
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find
204264
0755
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dl
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findmnt
69280
0755
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dl
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flock
23024
0755
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fmt
39432
0755
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dl
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fold
35336
0755
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dl
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free
27008
0755
edit
dl
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gdbserver
630760
0755
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dl
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getconf
26992
0755
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dl
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getent
39648
0755
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dl
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getopt
22912
0755
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dl
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gpasswd
76248
4755
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dl
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gpgv
310416
0755
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dl
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grep
186824
0755
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dl
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groups
35336
0755
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dl
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growpart
29895
0755
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dl
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gunzip
2346
0755
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dl
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gzexe
6447
0755
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dl
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gzip
93424
0755
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dl
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hardlink
47600
0755
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dl
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head
43528
0755
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dl
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hostid
35336
0755
edit
dl
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hostname
22760
0755
edit
dl
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hostnamectl
31184
0755
edit
dl
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i386
27288
0755
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dl
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iconv
68072
0755
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dl
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id
39432
0755
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dl
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infocmp
67968
0755
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dl
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infotocap
92584
0755
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dl
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install
145944
0755
edit
dl
rm
ionice
18816
0755
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dl
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ip
772920
0755
edit
dl
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ipcmk
22984
0755
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dl
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ipcrm
18816
0755
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dl
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ipcs
39296
0755
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dl
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iptables-xml
95176
0755
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dl
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ischroot
14824
0755
edit
dl
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join
51760
0755
edit
dl
rm
journalctl
80800
0755
edit
dl
rm
json-patch-jsondiff
1004
0755
edit
dl
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jsondiff
1004
0755
edit
dl
rm
jsonpatch
3859
0755
edit
dl
rm
jsonpointer
1838
0755
edit
dl
rm
jsonschema
213
0755
edit
dl
rm
kernel-install
55984
0755
edit
dl
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kill
22912
0755
edit
dl
rm
kmod
174328
0755
edit
dl
rm
kmodsign
18888
0755
edit
dl
rm
last
35200
0755
edit
dl
rm
lastb
35200
0755
edit
dl
rm
lastlog
28456
0755
edit
dl
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lcf
7784
0755
edit
dl
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ld.so
236616
0755
edit
dl
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ldd
5382
0755
edit
dl
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less
194952
0755
edit
dl
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lessecho
14656
0755
edit
dl
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lessfile
9047
0755
edit
dl
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lesskey
24272
0755
edit
dl
rm
lesspipe
9047
0755
edit
dl
rm
link
35336
0755
edit
dl
rm
linux32
27288
0755
edit
dl
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linux64
27288
0755
edit
dl
rm
ln
55816
0755
edit
dl
rm
lnstat
23200
0755
edit
dl
rm
locale
50824
0755
edit
dl
rm
locale-check
14488
0755
edit
dl
rm
localectl
27080
0755
edit
dl
rm
localedef
326752
0755
edit
dl
rm
logger
39904
0755
edit
dl
rm
login
53056
0755
edit
dl
rm
loginctl
68176
0755
edit
dl
rm
logname
35336
0755
edit
dl
rm
ls
142312
0755
edit
dl
rm
lsattr
14656
0755
edit
dl
rm
lsblk
149896
0755
edit
dl
rm
lscpu
113032
0755
edit
dl
rm
lsipc
51584
0755
edit
dl
rm
lslocks
31504
0755
edit
dl
rm
lslogins
51584
0755
edit
dl
rm
lsmem
39296
0755
edit
dl
rm
lsmod
174328
0755
edit
dl
rm
lsns
43400
0755
edit
dl
rm
man
128
0755
edit
dl
rm
mawk
170768
0755
edit
dl
rm
mcookie
27080
0755
edit
dl
rm
md5sum
39336
0755
edit
dl
rm
md5sum.textutils
39336
0755
edit
dl
rm
mesg
14720
0755
edit
dl
rm
mkdir
76296
0755
edit
dl
rm
mkfifo
43528
0755
edit
dl
rm
mknod
43528
0755
edit
dl
rm
mksquashfs
293832
0755
edit
dl
rm
mkswapfile
865
0755
edit
dl
rm
mktemp
35336
0755
edit
dl
rm
more
47496
0755
edit
dl
rm
mount
51584
4755
edit
dl
rm
mountpoint
18816
0755
edit
dl
rm
mv
137752
0755
edit
dl
rm
namei
22912
0755
edit
dl
rm
nawk
170768
0755
edit
dl
rm
nc
39560
0755
edit
dl
rm
nc.openbsd
39560
0755
edit
dl
rm
netcat
39560
0755
edit
dl
rm
networkctl
125520
0755
edit
dl
rm
newgrp
40664
4755
edit
dl
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nice
35336
0755
edit
dl
rm
nisdomainname
22760
0755
edit
dl
rm
nl
39528
0755
edit
dl
rm
nohup
35240
0755
edit
dl
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nproc
35336
0755
edit
dl
rm
nsenter
31336
0755
edit
dl
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nstat
31104
0755
edit
dl
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numfmt
59944
0755
edit
dl
rm
od
72200
0755
edit
dl
rm
openssl
1005368
0755
edit
dl
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p11-kit
211664
0755
edit
dl
rm
p11tool
223616
0755
edit
dl
rm
pager
194952
0755
edit
dl
rm
partx
63880
0755
edit
dl
rm
passwd
64152
4755
edit
dl
rm
paste
39336
0755
edit
dl
rm
pathchk
35336
0755
edit
dl
rm
pdb3
69459
0755
edit
dl
rm
pdb3.12
69459
0755
edit
dl
rm
pgrep
35296
0755
edit
dl
rm
pidof
26856
0755
edit
dl
rm
pidwait
35296
0755
edit
dl
rm
ping
89800
0755
edit
dl
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ping4
89800
0755
edit
dl
rm
ping6
89800
0755
edit
dl
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pinky
39336
0755
edit
dl
rm
pkaction
18736
0755
edit
dl
rm
pkcheck
22832
0755
edit
dl
rm
pkcs11-tool
189040
0755
edit
dl
rm
pkill
35296
0755
edit
dl
rm
pkttyagent
22832
0755
edit
dl
rm
pldd
22976
0755
edit
dl
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plymouth
47408
0755
edit
dl
rm
pmap
35224
0755
edit
dl
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pr
72272
0755
edit
dl
rm
printenv
35208
0755
edit
dl
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printf
55744
0755
edit
dl
rm
prlimit
27536
0755
edit
dl
rm
ps
146424
0755
edit
dl
rm
ptx
55848
0755
edit
dl
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pwd
35336
0755
edit
dl
rm
pwdx
14720
0755
edit
dl
rm
py3clean
7816
0755
edit
dl
rm
py3compile
13314
0755
edit
dl
rm
py3versions
12816
0755
edit
dl
rm
pydoc3
80
0755
edit
dl
rm
pydoc3.12
80
0755
edit
dl
rm
pygettext3
24224
0755
edit
dl
rm
pygettext3.12
24224
0755
edit
dl
rm
pyserial-miniterm
975
0755
edit
dl
rm
pyserial-ports
969
0755
edit
dl
rm
python3
8020928
0755
edit
dl
rm
python3.12
8020928
0755
edit
dl
rm
rbash
1446024
0755
edit
dl
rm
rdma
104976
0755
edit
dl
rm
readlink
43432
0755
edit
dl
rm
realpath
43432
0755
edit
dl
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rename.ul
22912
0755
edit
dl
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renice
14720
0755
edit
dl
rm
reset
26944
0755
edit
dl
rm
resizepart
22912
0755
edit
dl
rm
resolvectl
162480
0755
edit
dl
rm
rev
14720
0755
edit
dl
rm
rgrep
30
0755
edit
dl
rm
rm
59912
0755
edit
dl
rm
rmdir
47528
0755
edit
dl
rm
routel
1658
0755
edit
dl
rm
rtstat
23200
0755
edit
dl
rm
run-parts
27464
0755
edit
dl
rm
runcon
35336
0755
edit
dl
rm
rview
1736392
0755
edit
dl
rm
savelog
10487
0755
edit
dl
rm
sbattach
23080
0755
edit
dl
rm
sbkeysync
35576
0755
edit
dl
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sbsiglist
14952
0755
edit
dl
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sbsign
35536
0755
edit
dl
rm
sbvarsign
23280
0755
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dl
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sbverify
31344
0755
edit
dl
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scp
137816
0755
edit
dl
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script
55680
0755
edit
dl
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scriptlive
43392
0755
edit
dl
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scriptreplay
35200
0755
edit
dl
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sdiff
51600
0755
edit
dl
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sed
113224
0755
edit
dl
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select-editor
2450
0755
edit
dl
rm
sensible-browser
1583
0755
edit
dl
rm
sensible-editor
1556
0755
edit
dl
rm
sensible-pager
921
0755
edit
dl
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sensible-terminal
1176
0755
edit
dl
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seq
51720
0755
edit
dl
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setarch
27288
0755
edit
dl
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setpriv
39304
0755
edit
dl
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setsid
14720
0755
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dl
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setterm
35200
0755
edit
dl
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sftp
154280
0755
edit
dl
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sg
40664
4755
edit
dl
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sh
129784
0755
edit
dl
rm
sha1sum
39336
0755
edit
dl
rm
sha224sum
39336
0755
edit
dl
rm
sha256sum
39336
0755
edit
dl
rm
sha384sum
39336
0755
edit
dl
rm
sha512sum
39336
0755
edit
dl
rm
shred
55816
0755
edit
dl
rm
shuf
47624
0755
edit
dl
rm
skill
27048
0755
edit
dl
rm
slabtop
22976
0755
edit
dl
rm
sleep
35336
0755
edit
dl
rm
slogin
846888
0755
edit
dl
rm
snap
23523401
0755
edit
dl
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snapctl
-
0
edit
dl
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snice
27048
0755
edit
dl
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sort
105272
0755
edit
dl
rm
splash-client
404
0755
edit
dl
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split
56256
0755
edit
dl
rm
sqfscat
151448
0755
edit
dl
rm
sqfstar
293832
0755
edit
dl
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ss
132168
0755
edit
dl
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ssh
846888
0755
edit
dl
rm
ssh-add
301488
0755
edit
dl
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ssh-agent
309688
2755
edit
dl
rm
ssh-argv0
1455
0755
edit
dl
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ssh-copy-id
13078
0755
edit
dl
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ssh-keygen
453056
0755
edit
dl
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ssh-keyscan
338368
0755
edit
dl
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stat
88592
0755
edit
dl
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stdbuf
51720
0755
edit
dl
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stty
80408
0755
edit
dl
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su
55680
4755
edit
dl
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sudo
277936
4755
edit
dl
rm
sudoedit
277936
4755
edit
dl
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sudoreplay
98256
0755
edit
dl
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sum
35240
0755
edit
dl
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sync
35240
0755
edit
dl
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systemctl
1501304
0755
edit
dl
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systemd
100816
0755
edit
dl
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systemd-ac-power
14792
0755
edit
dl
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systemd-analyze
203624
0755
edit
dl
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systemd-ask-password
19024
0755
edit
dl
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systemd-cat
18896
0755
edit
dl
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systemd-cgls
23112
0755
edit
dl
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systemd-cgtop
39392
0755
edit
dl
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systemd-confext
55952
0755
edit
dl
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systemd-creds
43744
0755
edit
dl
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systemd-cryptenroll
72624
0755
edit
dl
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systemd-cryptsetup
80840
0755
edit
dl
rm
systemd-delta
27080
0755
edit
dl
rm
systemd-detect-virt
18888
0755
edit
dl
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systemd-escape
22984
0755
edit
dl
rm
systemd-firstboot
60232
0755
edit
dl
rm
systemd-hwdb
158456
0755
edit
dl
rm
systemd-id128
22984
0755
edit
dl
rm
systemd-inhibit
23008
0755
edit
dl
rm
systemd-machine-id-setup
19072
0755
edit
dl
rm
systemd-mount
52000
0755
edit
dl
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systemd-notify
27304
0755
edit
dl
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systemd-path
18888
0755
edit
dl
rm
systemd-repart
199912
0755
edit
dl
rm
systemd-run
68392
0755
edit
dl
rm
systemd-socket-activate
31176
0755
edit
dl
rm
systemd-stdio-bridge
22992
0755
edit
dl
rm
systemd-sysext
55952
0755
edit
dl
rm
systemd-sysusers
68224
0755
edit
dl
rm
systemd-tmpfiles
117448
0755
edit
dl
rm
systemd-tty-ask-password-agent
35272
0755
edit
dl
rm
systemd-umount
52000
0755
edit
dl
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tabs
18744
0755
edit
dl
rm
tac
39336
0755
edit
dl
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tail
64032
0755
edit
dl
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tar
432048
0755
edit
dl
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taskset
31104
0755
edit
dl
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tee
39432
0755
edit
dl
rm
tempfile
14648
0755
edit
dl
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test
47552
0755
edit
dl
rm
tic
92584
0755
edit
dl
rm
timedatectl
815
0755
edit
dl
rm
timedatectl.real
47560
0755
edit
dl
rm
timeout
39880
0755
edit
dl
rm
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Edit:
/snap/core24/1587/usr/bin/tzselect
(15378B)
#!/bin/bash # Ask the user about the time zone, and output the resulting TZ value to stdout. # Interact with the user via stderr and stdin. PKGVERSION="(Ubuntu GLIBC 2.39-0ubuntu8.7) " TZVERSION="2.39" REPORT_BUGS_TO="<https://bugs.launchpad.net/ubuntu/+source/glibc/+bugs>" # Contributed by Paul Eggert. This file is in the public domain. # Porting notes: # # This script requires a Posix-like shell and prefers the extension of a # 'select' statement. The 'select' statement was introduced in the # Korn shell and is available in Bash and other shell implementations. # If your host lacks both Bash and the Korn shell, you can get their # source from one of these locations: # # Bash <https://www.gnu.org/software/bash/> # Korn Shell <http://www.kornshell.com/> # MirBSD Korn Shell <https://www.mirbsd.org/mksh.htm> # # For portability to Solaris 9 /bin/sh this script avoids some POSIX # features and common extensions, such as $(...) (which works sometimes # but not others), $((...)), and $10. # # This script also uses several features of modern awk programs. # If your host lacks awk, or has an old awk that does not conform to Posix, # you can use either of the following free programs instead: # # Gawk (GNU awk) <https://www.gnu.org/software/gawk/> # mawk <https://invisible-island.net/mawk/> # Specify default values for environment variables if they are unset. : ${AWK=awk} : ${TZDIR=/usr/share/zoneinfo} # Output one argument as-is to standard output. # Safer than 'echo', which can mishandle '\' or leading '-'. say() { printf '%s\n' "$1" } # Check for awk Posix compliance. ($AWK -v x=y 'BEGIN { exit 123 }') </dev/null >/dev/null 2>&1 [ $? = 123 ] || { say >&2 "$0: Sorry, your '$AWK' program is not Posix compatible." exit 1 } coord= location_limit=10 zonetabtype=zone1970 usage="Usage: tzselect [--version] [--help] [-c COORD] [-n LIMIT] Select a timezone interactively. Options: -c COORD Instead of asking for continent and then country and then city, ask for selection from time zones whose largest cities are closest to the location with geographical coordinates COORD. COORD should use ISO 6709 notation, for example, '-c +4852+00220' for Paris (in degrees and minutes, North and East), or '-c -35-058' for Buenos Aires (in degrees, South and West). -n LIMIT Display at most LIMIT locations when -c is used (default $location_limit). --version Output version information. --help Output this help. Report bugs to $REPORT_BUGS_TO." # Ask the user to select from the function's arguments, # and assign the selected argument to the variable 'select_result'. # Exit on EOF or I/O error. Use the shell's 'select' builtin if available, # falling back on a less-nice but portable substitute otherwise. if case $BASH_VERSION in ?*) : ;; '') # '; exit' should be redundant, but Dash doesn't properly fail without it. (eval 'set --; select x; do break; done; exit') </dev/null 2>/dev/null esac then # Do this inside 'eval', as otherwise the shell might exit when parsing it # even though it is never executed. eval ' doselect() { select select_result do case $select_result in "") echo >&2 "Please enter a number in range." ;; ?*) break esac done || exit } # Work around a bug in bash 1.14.7 and earlier, where $PS3 is sent to stdout. case $BASH_VERSION in [01].*) case `echo 1 | (select x in x; do break; done) 2>/dev/null` in ?*) PS3= esac esac ' else doselect() { # Field width of the prompt numbers. select_width=`expr $# : '.*'` select_i= while : do case $select_i in '') select_i=0 for select_word do select_i=`expr $select_i + 1` printf >&2 "%${select_width}d) %s\\n" $select_i "$select_word" done ;; *[!0-9]*) echo >&2 'Please enter a number in range.' ;; *) if test 1 -le $select_i && test $select_i -le $#; then shift `expr $select_i - 1` select_result=$1 break fi echo >&2 'Please enter a number in range.' esac # Prompt and read input. printf >&2 %s "${PS3-#? }" read select_i || exit done } fi while getopts c:n:t:-: opt do case $opt$OPTARG in c*) coord=$OPTARG ;; n*) location_limit=$OPTARG ;; t*) # Undocumented option, used for developer testing. zonetabtype=$OPTARG ;; -help) exec echo "$usage" ;; -version) exec echo "tzselect $PKGVERSION$TZVERSION" ;; -*) say >&2 "$0: -$opt$OPTARG: unknown option; try '$0 --help'"; exit 1 ;; *) say >&2 "$0: try '$0 --help'"; exit 1 ;; esac done shift `expr $OPTIND - 1` case $# in 0) ;; *) say >&2 "$0: $1: unknown argument"; exit 1 ;; esac # Make sure the tables are readable. TZ_COUNTRY_TABLE=$TZDIR/iso3166.tab TZ_ZONE_TABLE=$TZDIR/$zonetabtype.tab for f in $TZ_COUNTRY_TABLE $TZ_ZONE_TABLE do <"$f" || { say >&2 "$0: time zone files are not set up correctly" exit 1 } done # If the current locale does not support UTF-8, convert data to current # locale's format if possible, as the shell aligns columns better that way. # Check the UTF-8 of U+12345 CUNEIFORM SIGN URU TIMES KI. ! $AWK 'BEGIN { u12345 = "\360\222\215\205"; exit length(u12345) != 1 }' && { tmp=`(mktemp -d) 2>/dev/null` || { tmp=${TMPDIR-/tmp}/tzselect.$$ && (umask 77 && mkdir -- "$tmp") };} && trap 'status=$?; rm -fr -- "$tmp"; exit $status' 0 HUP INT PIPE TERM && (iconv -f UTF-8 -t //TRANSLIT <"$TZ_COUNTRY_TABLE" >$tmp/iso3166.tab) \ 2>/dev/null && TZ_COUNTRY_TABLE=$tmp/iso3166.tab && iconv -f UTF-8 -t //TRANSLIT <"$TZ_ZONE_TABLE" >$tmp/$zonetabtype.tab && TZ_ZONE_TABLE=$tmp/$zonetabtype.tab newline=' ' IFS=$newline # Awk script to read a time zone table and output the same table, # with each column preceded by its distance from 'here'. output_distances=' BEGIN { FS = "\t" while (getline <TZ_COUNTRY_TABLE) if ($0 ~ /^[^#]/) country[$1] = $2 country["US"] = "US" # Otherwise the strings get too long. } function abs(x) { return x < 0 ? -x : x; } function min(x, y) { return x < y ? x : y; } function convert_coord(coord, deg, minute, ilen, sign, sec) { if (coord ~ /^[-+]?[0-9]?[0-9][0-9][0-9][0-9][0-9][0-9]([^0-9]|$)/) { degminsec = coord intdeg = degminsec < 0 ? -int(-degminsec / 10000) : int(degminsec / 10000) minsec = degminsec - intdeg * 10000 intmin = minsec < 0 ? -int(-minsec / 100) : int(minsec / 100) sec = minsec - intmin * 100 deg = (intdeg * 3600 + intmin * 60 + sec) / 3600 } else if (coord ~ /^[-+]?[0-9]?[0-9][0-9][0-9][0-9]([^0-9]|$)/) { degmin = coord intdeg = degmin < 0 ? -int(-degmin / 100) : int(degmin / 100) minute = degmin - intdeg * 100 deg = (intdeg * 60 + minute) / 60 } else deg = coord return deg * 0.017453292519943296 } function convert_latitude(coord) { match(coord, /..*[-+]/) return convert_coord(substr(coord, 1, RLENGTH - 1)) } function convert_longitude(coord) { match(coord, /..*[-+]/) return convert_coord(substr(coord, RLENGTH)) } # Great-circle distance between points with given latitude and longitude. # Inputs and output are in radians. This uses the great-circle special # case of the Vicenty formula for distances on ellipsoids. function gcdist(lat1, long1, lat2, long2, dlong, x, y, num, denom) { dlong = long2 - long1 x = cos(lat2) * sin(dlong) y = cos(lat1) * sin(lat2) - sin(lat1) * cos(lat2) * cos(dlong) num = sqrt(x * x + y * y) denom = sin(lat1) * sin(lat2) + cos(lat1) * cos(lat2) * cos(dlong) return atan2(num, denom) } # Parallel distance between points with given latitude and longitude. # This is the product of the longitude difference and the cosine # of the latitude of the point that is further from the equator. # I.e., it considers longitudes to be further apart if they are # nearer the equator. function pardist(lat1, long1, lat2, long2) { return abs(long1 - long2) * min(cos(lat1), cos(lat2)) } # The distance function is the sum of the great-circle distance and # the parallel distance. It could be weighted. function dist(lat1, long1, lat2, long2) { return gcdist(lat1, long1, lat2, long2) + pardist(lat1, long1, lat2, long2) } BEGIN { coord_lat = convert_latitude(coord) coord_long = convert_longitude(coord) } /^[^#]/ { here_lat = convert_latitude($2) here_long = convert_longitude($2) line = $1 "\t" $2 "\t" $3 sep = "\t" ncc = split($1, cc, /,/) for (i = 1; i <= ncc; i++) { line = line sep country[cc[i]] sep = ", " } if (NF == 4) line = line " - " $4 printf "%g\t%s\n", dist(coord_lat, coord_long, here_lat, here_long), line } ' # Begin the main loop. We come back here if the user wants to retry. while echo >&2 'Please identify a location' \ 'so that time zone rules can be set correctly.' continent= country= region= case $coord in ?*) continent=coord;; '') # Ask the user for continent or ocean. echo >&2 'Please select a continent, ocean, "coord", or "TZ".' quoted_continents=` $AWK ' BEGIN { FS = "\t" } /^[^#]/ { entry = substr($3, 1, index($3, "/") - 1) if (entry == "America") entry = entry "s" if (entry ~ /^(Arctic|Atlantic|Indian|Pacific)$/) entry = entry " Ocean" printf "'\''%s'\''\n", entry } ' <"$TZ_ZONE_TABLE" | sort -u | tr '\n' ' ' echo '' ` eval ' doselect '"$quoted_continents"' \ "coord - I want to use geographical coordinates." \ "TZ - I want to specify the timezone using the Posix TZ format." continent=$select_result case $continent in Americas) continent=America;; *" "*) continent=`expr "$continent" : '\''\([^ ]*\)'\''` esac ' esac case $continent in TZ) # Ask the user for a Posix TZ string. Check that it conforms. while echo >&2 'Please enter the desired value' \ 'of the TZ environment variable.' echo >&2 'For example, AEST-10 is abbreviated' \ 'AEST and is 10 hours' echo >&2 'ahead (east) of Greenwich,' \ 'with no daylight saving time.' read TZ $AWK -v TZ="$TZ" 'BEGIN { tzname = "(<[[:alnum:]+-]{3,}>|[[:alpha:]]{3,})" time = "(2[0-4]|[0-1]?[0-9])" \ "(:[0-5][0-9](:[0-5][0-9])?)?" offset = "[-+]?" time mdate = "M([1-9]|1[0-2])\\.[1-5]\\.[0-6]" jdate = "((J[1-9]|[0-9]|J?[1-9][0-9]" \ "|J?[1-2][0-9][0-9])|J?3[0-5][0-9]|J?36[0-5])" datetime = ",(" mdate "|" jdate ")(/" time ")?" tzpattern = "^(:.*|" tzname offset "(" tzname \ "(" offset ")?(" datetime datetime ")?)?)$" if (TZ ~ tzpattern) exit 1 exit 0 }' do say >&2 "'$TZ' is not a conforming Posix timezone string." done TZ_for_date=$TZ;; *) case $continent in coord) case $coord in '') echo >&2 'Please enter coordinates' \ 'in ISO 6709 notation.' echo >&2 'For example, +4042-07403 stands for' echo >&2 '40 degrees 42 minutes north,' \ '74 degrees 3 minutes west.' read coord;; esac distance_table=`$AWK \ -v coord="$coord" \ -v TZ_COUNTRY_TABLE="$TZ_COUNTRY_TABLE" \ "$output_distances" <"$TZ_ZONE_TABLE" | sort -n | sed "${location_limit}q" ` regions=`say "$distance_table" | $AWK ' BEGIN { FS = "\t" } { print $NF } '` echo >&2 'Please select one of the following timezones,' \ echo >&2 'listed roughly in increasing order' \ "of distance from $coord". doselect $regions region=$select_result TZ=`say "$distance_table" | $AWK -v region="$region" ' BEGIN { FS="\t" } $NF == region { print $4 } '` ;; *) # Get list of names of countries in the continent or ocean. countries=`$AWK \ -v continent="$continent" \ -v TZ_COUNTRY_TABLE="$TZ_COUNTRY_TABLE" \ ' BEGIN { FS = "\t" } /^#/ { next } $3 ~ ("^" continent "/") { ncc = split($1, cc, /,/) for (i = 1; i <= ncc; i++) if (!cc_seen[cc[i]]++) cc_list[++ccs] = cc[i] } END { while (getline <TZ_COUNTRY_TABLE) { if ($0 !~ /^#/) cc_name[$1] = $2 } for (i = 1; i <= ccs; i++) { country = cc_list[i] if (cc_name[country]) { country = cc_name[country] } print country } } ' <"$TZ_ZONE_TABLE" | sort -f` # If there's more than one country, ask the user which one. case $countries in *"$newline"*) echo >&2 'Please select a country' \ 'whose clocks agree with yours.' doselect $countries country=$select_result;; *) country=$countries esac # Get list of timezones in the country. regions=`$AWK \ -v country="$country" \ -v TZ_COUNTRY_TABLE="$TZ_COUNTRY_TABLE" \ ' BEGIN { FS = "\t" cc = country while (getline <TZ_COUNTRY_TABLE) { if ($0 !~ /^#/ && country == $2) { cc = $1 break } } } /^#/ { next } $1 ~ cc { print $4 } ' <"$TZ_ZONE_TABLE"` # If there's more than one region, ask the user which one. case $regions in *"$newline"*) echo >&2 'Please select one of the following timezones.' doselect $regions region=$select_result;; *) region=$regions esac # Determine TZ from country and region. TZ=`$AWK \ -v country="$country" \ -v region="$region" \ -v TZ_COUNTRY_TABLE="$TZ_COUNTRY_TABLE" \ ' BEGIN { FS = "\t" cc = country while (getline <TZ_COUNTRY_TABLE) { if ($0 !~ /^#/ && country == $2) { cc = $1 break } } } /^#/ { next } $1 ~ cc && $4 == region { print $3 } ' <"$TZ_ZONE_TABLE"` esac # Make sure the corresponding zoneinfo file exists. TZ_for_date=$TZDIR/$TZ <"$TZ_for_date" || { say >&2 "$0: time zone files are not set up correctly" exit 1 } esac # Use the proposed TZ to output the current date relative to UTC. # Loop until they agree in seconds. # Give up after 8 unsuccessful tries. extra_info= for i in 1 2 3 4 5 6 7 8 do TZdate=`LANG=C TZ="$TZ_for_date" date` UTdate=`LANG=C TZ=UTC0 date` TZsec=`expr "$TZdate" : '.*:\([0-5][0-9]\)'` UTsec=`expr "$UTdate" : '.*:\([0-5][0-9]\)'` case $TZsec in $UTsec) extra_info=" Selected time is now: $TZdate. Universal Time is now: $UTdate." break esac done # Output TZ info and ask the user to confirm. echo >&2 "" echo >&2 "The following information has been given:" echo >&2 "" case $country%$region%$coord in ?*%?*%) say >&2 " $country$newline $region";; ?*%%) say >&2 " $country";; %?*%?*) say >&2 " coord $coord$newline $region";; %%?*) say >&2 " coord $coord";; *) say >&2 " TZ='$TZ'" esac say >&2 "" say >&2 "Therefore TZ='$TZ' will be used.$extra_info" say >&2 "Is the above information OK?" doselect Yes No ok=$select_result case $ok in Yes) break esac do coord= done case $SHELL in *csh) file=.login line="setenv TZ '$TZ'";; *) file=.profile line="TZ='$TZ'; export TZ" esac test -t 1 && say >&2 " You can make this change permanent for yourself by appending the line $line to the file '$file' in your home directory; then log out and log in again. Here is that TZ value again, this time on standard output so that you can use the $0 command in shell scripts:" say "$TZ"
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