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Hi,
How can one include GNUScreen info at the PS1? Specifically, I would like to know:
- If I'm not in a GNUScreen, then if there are active GNUSCreen sessions, how many are those
- If I'm in a GNUScreen session, which GNUScreen session am I in?
I have figured out how to do this in my own, not bash-it, PS1, but I want to transfer that to bash-it. Any help?
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If you don't mind sharing the snippet you have working, we can think about a place to put it.
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I don't mind at all! I doubt that is good enough to put it somewhere, but I guess you can use it to get an idea.
This is what I use:
# Function: existsScreenSession function existsScreenSession { screenLs=`screen -ls | head -n 1 | tr -d '[:space:]'` if [[ "$screenLs" == *: ]] then existsScreenFlag=0 else existsScreenFlag=1 fi return $existsScreenFlag } # # Function insideScreenSession function insideScreenSession { if [ -z "$STY" ] then insideScreen=1 else insideScreen=0 fi return $insideScreen } # # Function: getGNUScreenInfo function getGNUScreenInfo { gnuScreenInfo="" if existsScreenSession then if insideScreenSession then gnuScreenInfo="Inside GNUScreen session: $STY" else nbSessions=$(( $(screen -ls | wc -l | tr -d ' ') - 2 )) if [ $nbSessions -gt 0 ] then gnuScreenInfo="$nbSessions GNUScreen session(s) active" fi fi fi echo $gnuScreenInfo }
and I call it as:
gnInfo='$( getGNUScreenInfo )'Then I add the gnInfo at my PS1.
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