#!/bin/sh set -eu > "$DATADIR/foo.output" cat < "$DATADIR/foo.tasks" date: interval: 2 command: date +%s >> "$DATADIR/foo.output" EOF ./desktop-cronish --quiet --max-jobs=5 "$DATADIR/foo.tasks" wc -l < "$DATADIR/foo.output" awk 'NR > 1 { print $1 - prev } { prev = $1 }' "$DATADIR/foo.output" | awk '$1 < 1'