[Bug 839560] Re: Errors in bash man page

B Bobo 839560 at bugs.launchpad.net
Tue Jul 30 04:23:20 UTC 2013


** Tags added: manpage

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Title:
  Errors in bash man page

Status in “bash” package in Ubuntu:
  Confirmed

Bug description:
  
  man bash provides helpful info about the bash command. I have found what looks like 2 documentation issues and one clarification "request" so far by reading it and trying to understand how it works:

  First, there is this paragraph that explains how bash behave when
  invoked as an interactive shell:

  "When bash is invoked as an interactive login shell... it first reads
  and executes commands from the file /etc/profile, if that file
  exists."

  Well, what I have found on my system is that it first reads
  /etc/bash.bashrc, then /etc/profile (using both of them in fact).

  Second, there is this paragraph explaining how bash behave when it is
  being run with its standard input connected to a network connection:

  "Bash attempts to determine when it is being run with its standard
  input connected to a network connection... If bash determines it is
  being run in this fashion, it reads and executes commands from
  ~/.bashrc and ­~./bashrc, ..."

  The problem here is that is says ~/.bashrc twice. I have not checked
  the actual behavior, but this is certainly a documentation problem.

  Finally, for the document enhancement request, it is about the usage
  of |&, which should say that the standard error of command is
  connected to command2's standard input in addition to standard output.
  The shorthand 2>&1 | helps to understand what is explained, but I
  think this simple additional precision as text would help better grasp
  what is meant here.

  I am using Ubuntu 11.04

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