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May 9, 2018 14:39
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For all processes with an command, run this command under their /proc/<pid>
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function filter_pids() { | |
oifs="$IFS" | |
IFS=$'\n' | |
for stuff in $1; do | |
if [[ -f $stuff/cmdline ]]; then | |
echo "$stuff" | |
fi | |
done | |
IFS="$oifs" | |
} | |
function filter_cmd() { | |
oifs="$IFS" | |
IFS=$'\n' | |
for pid in $1; do | |
proc=$(cat "$pid/comm") | |
if [[ "$proc" == "$2" ]]; then | |
echo "$pid" | |
fi | |
done | |
IFS="$oifs" | |
} | |
function execute_rest() { | |
oifs="$IFS" | |
IFS=$'\n' | |
pids="$1" | |
shift | |
for pid in $pids; do | |
opwd="$PWD" | |
cd $pid | |
echo "------------------------------------------------------------------------------" | |
$@ | |
echo "==============================================================================" | |
cd "$opwd" | |
done | |
IFS="$oifs" | |
} | |
echo "Running for all processes with command $1" | |
cmd="$1" | |
shift | |
procstuff=$(ls /proc) | |
pids=$(filter_pids "$procstuff") | |
match=$(filter_cmd "$pids" "$cmd") | |
execute_rest "$match" "$@" |
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