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Use bash subshell for procfs interpolation of cmdline file

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Michael T. DeGuzis 2022-08-16 08:57:39 -04:00
parent 3606e4f602
commit 1431ba6fbe
1 changed files with 4 additions and 1 deletions
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5
save_command_strategies/linux_procfs.sh
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@ -13,7 +13,10 @@ exit_safely_if_empty_ppid() {
full_command() { full_command() {
[[ -z "$COMMAND_PID" ]] && exit 0 [[ -z "$COMMAND_PID" ]] && exit 0
cat /proc/${COMMAND_PID}/cmdline | xargs -0 printf "%q " # See: https://unix.stackexchange.com/a/567021
# Avoid complications with system printf by using bash subshell interpolation.
# This will properly escape sequences and null in cmdline.
cat /proc/${COMMAND_PID}/cmdline | xargs -0 bash -c 'printf "%q " "$0" "$@"'
} }
main() { main() {