From: Philip Rhoades <phil@...>
Date: 2005-12-20T19:41:35+09:00
Subject: Re: Replacing single quotes and backslashes in strings

Logan,

On Tue, 2005-12-20 at 19:02 +0900, Logan Capaldo wrote:
> On Dec 20, 2005, at 4:15 AM, Phil Rhoades wrote:
> 
> > People,
> >
> > I have been trying to find a solution to this on the net but with  
> > no luck:
> >
> > I want to get a list of file names from a dir and pass the result  
> > to a du command eg:
> >
> > 	puts `du file_name`
> >
> > but if the filename has single quotes or backslashes in it eg:
> >
> > 	puts `du phil'sfile_name`    or:    puts `du phil\sfile_name`
> >
> > I have replace them with eg:
> >
> > 	puts `du phil\'sfile_name`    or:    puts `du phil\\sfile_name`
> >
> > I have tried all sorts of combinations with gsub with no success . .
> >
> > Is there a solution with gsub or something else?
> >
> > Thanks,
> >
> > Phil.
> > -- 
> > Philip Rhoades
> >
> > Pricom Pty Limited  (ACN 003 252 275  ABN 91 003 252 275)
> > GPO Box 3411
> > Sydney NSW	2001
> > Australia
> > Mobile:  +61:(0)411-185-652
> > Fax:     +61:(0)2-8221-9599
> > E-mail:  phil@pricom.com.au
>
> 
> str = %q{du phil'sfile_name}
> puts `#{str.gsub(/['\\]/) { |meta_char| case meta_char; when "\\"; "\\ 
> \\"; when "'"; "\\'"; end }}`


Whew!

Why doesn't this work?:


line = line.gsub( /'/ ', "\'" )
line = line.gsub( '\\', "\\\\" )
puts `du #{line}`


Thanks,

Phil.
-- 
Philip Rhoades

Pricom Pty Limited  (ACN 003 252 275  ABN 91 003 252 275)
GPO Box 3411
Sydney NSW      2001
Australia
Mobile:  +61:(0)411-185-652
Fax:     +61:(0)2-8221-9599
E-mail:  phil@pricom.com.au