From: Eric Hodel <drbrain@...7.net>
Date: 2006-12-01T16:10:52+09:00
Subject: Re: Ruby equivalent to "exec > $logfile 2>&1" in sh script?

On Nov 30, 2006, at 19:24 , El Gato wrote:
> Phil Rhoades wrote:
>> I quite frequently have something like:
>>
>>   exec > $logfile 2>&1
>>
>> at the top of my shell scripts to output everything that follows  
>> (including errors) into a log file - is there some way of doing  
>> the equivalent in a Ruby script?
>
> This seems to work:
>
> outfile = File.open("output.txt", "w")
> $stdout.reopen outfile
> $stderr.reopen outfile
>
> puts "hello world!"
> system("dir no_exist")

Not really.

$ ruby
outfile = File.open("output.txt", "w")
$stdout.reopen outfile
$stderr.reopen outfile

0.upto 10 do |v| (v%2==0 ? STDOUT : STDERR).puts v; end
$ cat output.txt
1
3
5
7
9
0
2
4
6
8
10


-- 
Eric Hodel - drbrain@segment7.net - http://blog.segment7.net

I LIT YOUR GEM ON FIRE!