[q"<code>open $fh, '-|', @cmd</code>", 'open list to fork a command without spawning a shell'],
[q"<code>open $fh, '>', \$var</code>", 'perl scalars as virtual files'],
[q"<code>printf '%1$s', @args</code>", 'syntax to use parameters out of order'],
[q"<code>open $fh, '-|', @cmd</code>", 'open list to fork a command without spawning a shell'],
[q"<code>open $fh, '>', \$var</code>", 'perl scalars as virtual files'],
[q"<code>printf '%1$s', @args</code>", 'syntax to use parameters out of order'],