#!/bin/bash doit() { opt="$1" file="$2" sudo tracefile $opt dd if=/dev/zero of="$file" bs=1000k count=10 sudo tracefile $opt chmod 600 $file sudo tracefile $opt mkswap $file sudo tracefile $opt swapon $file sudo tracefile $opt swapoff $file sudo rm "$file" } export -f doit # Test 2 char dir mkdir -p tt/tt parallel -vj1 doit \ ::: '' -l -u \ ::: tt/tt/../tt/test.img `pwd`/tt/tt/../tt/test.img | grep test.img