tmm.sh

#!/bin/sh

if [ -z ${TMUX+x} ]
then
    in_tmux="no"
else
    in_tmux="yes"
fi

fzf_output=$(tmux list-sessions -F \#S 2> /dev/null | fzf --prompt Session: --print-query)
fzf_rc=$?

if [ $fzf_rc -eq 0 ]
then
    session_exists="yes"
elif [ $fzf_rc -eq 1 ]
    session_exists="no"
fi

fzf_out_arr=($fzf_output)
session=${fzf_out_arr[-1]}

if [[ $in_tmux == "yes" ]]
then
    if [[ $session_exists == "yes" ]]
    then
        tmux switch-client -t $session
    else
        tmux new-session -d -s $session
        tmux switch-client -t $session
    fi
elif [[ $in_tmux == "no" ]]
then
    tmux new-session -A -s $session
# fzf interrupted by user
elif [ $fzf_rc -eq 130 ]
then
    echo 'Interrupted by user'
else
    echo 'Error'
fi