From: Wybo Dekker <wybo@...>
Date: 2005-12-31T22:56:02+09:00
Subject: Re: Newb: Search & Replace

On Sat, 31 Dec 2005, Robert Klemme wrote:

> Wybo Dekker <wybo@servalys.nl> wrote:
> > On Sat, 31 Dec 2005, Art Gillespie wrote:
> > 
> > > #!/usr/bin/env ruby
> > > 
> > > VERSION_HEX=ARGV[0]
> > > 
> > > File.open("iDrum_prefix.h.tmp", "w") do |ofile|
> > > File.open("iDrum_prefix.h") do |file|
> > > file.each do |line|
> > > if line =~ /^#define kIDComponentVersion\t*(.*)/
> > >  ofile.puts line.sub($1, "#{VERSION_HEX}")
> > > else
> > >  ofile.puts line
> > >  end
> > >  end
> > >  end
> > > end
> > > 
> > > File.rename("iDrum_prefix.h.tmp", "iDrum_prefix.h")
> > 
> > with rio, you can edit a file inplace;
> > this changes all x into y in file z:
> > 
> > #!/usr/bin/ruby
> > require 'rubygems'
> > require 'rio'
> > rio('z') <  rio('z').read.gsub(/x/,'y')
> 
> Um, rio is not needed:
> 
> Robert@Babelfish2 /c/TEMP
> $ echo 'x' > iDrum_prefix.h
> 
> Robert@Babelfish2 /c/TEMP
> $ cat iDrum_prefix.h
> x
> 
> Robert@Babelfish2 /c/TEMP
> $ ruby -i.tmp -pe "gsub /x/, 'y'" iDrum_prefix.h
> 
> Robert@Babelfish2 /c/TEMP
> $ cat iDrum_prefix.h
> y
> 
> :-))
> 
>    robert

Uhm... ruby is not needed:

sed -ie 's/x/y/g' iDrum_prefix.h

But I suppose that Art Gillespie wanted to arrange things from a Ruby 
script, where he does other things as well... Happy New Year!

-- 
Wybo