spmenu/scripts/spmenu_run

#!/bin/sh

# get path
PATH() {
	echo "$PATH" | tr ':' '\n' | uniq | sed 's#$#/#' | # List directories in $PATH
    xargs ls -lu --time-style=+%s |              # Add atime epoch
    awk '/^(-|l)/ { print $6, $7 }' |            # Only print timestamp and name
    sort -rn | cut -d' ' -f 2
}

# Run spmenu and parse it
PARSE() {
    DOUT="$(PATH | spmenu -im -H "${XDG_CACHE_HOME:-$HOME/.cache/}/spmenu_run.hist" "$@")"

    [ "$(printf '%c' "$DOUT")" = "#" ] && RUN_ARG="$TERMINAL" || RUN_ARG="$SHELL"
    [ "$RUN_ARG" != "$TERMINAL" ] && printf "%s" "$DOUT" | sed "s/#//g" | ${SHELL:-"/bin/sh"} &
    [ "$RUN_ARG" = "$TERMINAL" ] && $TERMINAL -e "$(printf "%s" "$DOUT" | sed "s/#//g")"
}

PARSE "$@"

rm -f "$HOME/.cache/spmenu_run"