From: nahi <nakahiro@...>
Date: 2012-03-18T14:50:33+09:00
Subject: [ruby-core:43389] [ruby-trunk - Feature #2351][Rejected] system() hardlinked to /bin/sh


Issue #2351 has been updated by nahi.

Description updated
Status changed from Open to Rejected

I close this as 'Rejected' since no update given long time.
----------------------------------------
Feature #2351: system() hardlinked to /bin/sh
https://bugs.ruby-lang.org/issues/2351#change-24698

Author: Comradin
Status: Rejected
Priority: Normal
Assignee: 
Category: 
Target version: 


=begin
 I encountered this problem while using a feature of the very powerful zsh(ell).
 
 In zsh one can use regular expressions in shell commands, like accessing files in 
 different locations with one command:
 
 cat -la /mnt/server(1|2)/some/path/and/file_log
 
 The default /bin/sh does not as it is a bash in most cases.
 
 Example:
  % irb    
  >> ENV['SHELL']
  => "/usr/bin/zsh"
  >> system('cat /mnt/server(1|2|3)/file | sed, awk, etc.')
  sh: Syntax error: "(" unexpected
  => false
 
 I can update the ENV['SHELL'] to every setting I'd like, but system() will always refer to /bin/sh. 
 
 Thus my script will always fail as long as I do not circumvent this feature with something like:
 
 system('/usr/bin/zsh -c "cat /mnt/server(1|2|3)/file | sed, awk, etc."')
 
 I tested this with different ruby versions installed by different Linux distributions:
 ruby 1.8.7 (2008-08-11 patchlevel 72) [i486-linux] Ubuntu 9.04
 ruby 1.8.7 (2008-08-11 patchlevel 72) [x86_64-linux] openSuSE 11.1
 ruby 1.8.7 (2009-04-08 patchlevel 160) [i386-freebsd7]
 ruby 1.8.5 (2006-08-25) [i386-linux] CentOS release 5.3 (Final)
=end



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