From: Jim Weirich <jim@...>
Date: 2005-11-15T11:58:00+09:00
Subject: Re: using n.times with gsub

On Monday 14 November 2005 09:42 pm, davidpthomas@gmail.com wrote:
> GOAL: one-liner substitute of 5 spaces at beginning of a line.
>
> WORKS: gsub(/^/, "     ")
> FAILS: gsub(/^/, 5.times {putc " "})
>
> -example-
> WORKS: $ cat foo.out | ruby -pe 'gsub(/^/, "     ")'
> FAILS: $ cat foo.out | ruby -pe 'gsub(/^/, 5.times{putc " "})'
>
>
> I've tried variations of putc, puts, and print.  All fail in different
> ways.

cat foo.out | ruby -pe 'gsub(/^/, " " * 5)
cat foo.out | ruby -pe 'gsub(/^/, (1..5).collect { " " }.join }

-- 
-- Jim Weirich    jim@weirichhouse.org     http://onestepback.org
-----------------------------------------------------------------
"Beware of bugs in the above code; I have only proved it correct, 
not tried it." -- Donald Knuth (in a memo to Peter van Emde Boas)