Attach tmux session script

tmuxxx

#!/usr/bin/env bash

# https://gist.github.com/yuki777/da803fb23bc814d0bdb60048c374d1ed
# mkdir -p ~/bin; cd ~/bin
# wget -O tmuxxx https://gist.githubusercontent.com/yuki777/da803fb23bc814d0bdb60048c374d1ed/raw/d6eaff33bb5c5a900bb98799dba793678e78bb38/tmuxxx
# chmod 744 tmuxx

print_help(){
    echo ' e.g. : tmuxxx'
    echo '   if "default" session exists, attach "default" session.'
    echo '   if NOT exists, make "default" session.'
    echo ' e.g. : tmuxx hoge'
    echo '   if "hoge" session exists, attach "hoge" session.'
    echo '   if NOT exists, make "hoge" session.'
    exit
}

run_tmux(){
    if [ `tmux ls 2>/dev/null |grep "$1: "|wc -l` -eq 1 ];then
        tmux -u attach -t $1
    else
        tmux -u new -s $1
    fi
}

if [ "$1" = "--help" ];then
    print_help
elif [ "$1" = "" ];then
    run_tmux "default"
else
    run_tmux "$1"
fi