#!/bin/sh export "PATH=.:$PATH" printf '1..3\n' printf '# errors\n' tap3 'no arguments' <<'EOF' atxec >>>2 /sage/ >>>= 1 EOF tap3 'not found' <<'EOF' atxec /doesnotexist >>>2 /o such file/ >>>= 111 EOF tap3 'too many arguments' <<'EOF' atxec $(yes | sed 99999q) >>>2 /too many/ >>>= 111 EOF