tmux pipe-pane

#!/bin/bash
session="test"
logfile="${HOME}/tmux-$(date +'%Y.%m.%d-%H.%m')-METHOD-"

echo "LOG FILE: ${logfile}"

#if [ -e $logfile ]; then
#       rm $logfile
#fi

tmux new-session -d -s $session

function senddata {
        tmux send-keys -t ${session} "echo TEST ${1}.1" C-m
        tmux send -t ${session} "echo TEST ${1}.2" ENTER
}

# METHOD A
tmux pipe-pane -o -t ${session} "cat > ${logfile}A.log"
senddata A

# METHOD B
tmux send -t ${session} "tmux pipe-pane -o -t ${session} 'cat > ${logfile}B.log'" ENTER
senddata B

# METHOD C
tmux send-keys -t ${session} "tmux pipe-pane -o -t ${session} 'cat > ${logfile}C.log'" C-m
senddata C

echo "LISTING LOGS"
ls "${logfile}*"