1 

     2 # sss

     3 # Reattach a GNU Screen session, or a TMux session.

     4 #

     5 # For GNU Screen a custom lock tool (LOCKPRG) can be used

     6 # if ~/bin/ttylocker exists or TTYLOCKER is set (not yet

     7 # implemented for tmux).

     8 # Mikael Berthe, 2015-08

     9 

    10 function sss() {

    11     local TTYLOCKER="${TTYLOCKER:-$HOME/bin/ttylocker}"

    12     local SCREENBIN="/usr/bin/screen"

    13     local TMUXBIN="/usr/bin/tmux"

    14 

    15     if [[ -x $SCREENBIN ]]; then

    16         $SCREENBIN -q -list

    17         local r=$?

    18         if (( r == 11 )); then

    19             # There is 1 usable Screen session, let's go

    20             [[ -x "$TTYLOCKER" ]] && export LOCKPRG="$TTYLOCKER"

    21             exec $SCREENBIN -r -x

    22         elif (( r > 11 )); then

    23             # There are several usable Screen sessions, heh

    24             echo "There are several usable Screen sessions..."

    25             return

    26         fi

    27     fi

    28 

    29     # No usable GNU/Screen session, let's try tmux then.

    30     if [[ -x "$TMUXBIN" ]]; then

    31         # Number of tmux sessions

    32         integer n=$($TMUXBIN list-sessions 2>/dev/null | wc -l)

    33         if (( n == 1 )); then

    34             # Attach the session

    35             exec $TMUXBIN attach # -t "$($TMUXBIN list-session -F '#{session_id}')"

    36         elif (( n > 1 )); then

    37             # There are several usable tmux sessions, heh

    38             echo "There are several usable tmux sessions..."

    39             return

    40         fi

    41     fi

    42 

    43     echo "No terminal multiplexer session found."

    44 }