run command via ps/bash prompt

[Tim Waugh]

On Thu, Mar 09, 2006 at 12:34:56PM -0500, Joe Szilagyi wrote:

> Hi,
> 
> Have something I have tried to get working, unsuccessfully:
> 
> PS1="\n\[`cat $HOME/file.txt`\] \n \@ \u@\h \w $ "
> 
> Basically, wanting the bash prompt to always execute a command.

Search for 'PROMPT_COMMAND" in the bash man page.  FWIW, Fedora Core
actually ships with a PROMPT_COMMAND set like this:

$ echo $PROMPT_COMMAND
echo -ne "\033]0;${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/~}\007"

Tim.
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