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# Set marked directory to given dir or current dir
md() {
# Accept up to one argument
if [ "$#" -gt 1 ] ; then
printf >&2 'md(): Too many arguments\n'
return 2
fi
# If first arg unset or empty, assume the user means the current dir
[ -n "$1" ] || set -- "$PWD"
# Jump to the dir and emit PWD from a subshell to get an absolute path
set -- "$(cd -- "$1" && printf %s "$PWD")"
# If that turned up empty, we have failed; the cd call probably threw an
# error for us too
[ -n "$1" ] || return
# Save the specified path in the marked directory var
# shellcheck disable=SC2034
PMD=$1
}
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