From: ts <decoux@...>
Date: 2006-03-14T02:11:14+09:00
Subject: Re: simple one-liners: last line missing

>>>>> "T" == Tobi Reif <tobiasreif@pinkjuice.com> writes:

T>   $ ruby -pe 'sub(/(\S+)\s+(\S+)/,"#{$2} #{$1}")' data.txt

 The replacement string is build when #sub is called

 for the first call $1 = $2 = nil ==> the replacement string is ' '

 for the second call, $1 = 'first', $2 = 'foo' ==> the replacement string
 is 'foo first'

 etc,


Guy Decoux