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fedora-users: Re: Nifty bash trick?

Re: Nifty bash trick?

From: T.C. Hollingsworth <tchollingsworth_at_nospam>
Date: Mon Oct 03 2011 - 03:02:35 GMT
To: Community support for Fedora users <users@lists.fedoraproject.org>

On Sun, Oct 2, 2011 at 6:21 PM, Christopher Svanefalk
<christopher.svanefalk@gmail.com> wrote:
> Quick question, what do I add to what config file to make bash run
> 'clear' prior to executing whatever commands I run in the terminal?
> Thanks in advance?

Add this to your ~/.bashrc:

preexec () { clear; }
preexec_invoke_exec () {
    [ -n "$COMP_LINE" ] && return # do nothing if completing
    local this_command=`history 1 | sed -e "s/^[ ]*[0-9]*[ ]*//g"`;
    preexec "$this_command"
trap 'preexec_invoke_exec' DEBUG

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