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ps.sh: fix ps arguments to work for busybox

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Use the format specifier 'ppid,args' instead of 'ppid command'. POSIX
allows either spaces or commas as separators, but busybox only allows
commas. Furthermore, 'args' is recognized by POSIX[0] while 'command' is
not. On implementations of ps that do recognize 'command', it is simply
an alias for 'args', e.g. Debian[1] and FreeBSD[2].

[0]: https://pubs.opengroup.org/onlinepubs/9699919799/utilities/ps.html
[1]: https://manpages.debian.org/bullseye/procps/ps.1.en.html
[2]: https://www.freebsd.org/cgi/man.cgi?query=ps
This commit is contained in:
Thomas Faughnan 2022-09-20 18:30:28 -04:00
parent 75458f91c8
commit 45aa8feef6
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1 changed files with 1 additions and 1 deletions
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2
save_command_strategies/ps.sh
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@ -11,7 +11,7 @@ exit_safely_if_empty_ppid() {
} }
full_command() { full_command() {
ps -ao "ppid command" | ps -ao "ppid,args" |
sed "s/^ *//" | sed "s/^ *//" |
grep "^${PANE_PID}" | grep "^${PANE_PID}" |
cut -d' ' -f2- cut -d' ' -f2-