#!/bin/bash
# A wrapper for the ssh command that produces a timestamped log of all ssh commands
# logfile=~/logs/ssh/ssh-`date +%Y-%m-%d-%H%M%S%z`.log
logfile=~/logs/ssh.log
# identifier for the session
description="sshlog-${$} ${@}"
tab="\t"
format_line() {
    while IFS= read -r line; do
        # Filter control and nonprinting characters out
        line=$(sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g" <<< "$line")
        line=$(perl -lpe 's/[^[:print:]]//g' <<< "$line")
        # add current timestamp
        echo -e "$(date +"%Y-%m-%d %H:%M:%S %z")${tab}${description}${tab}${line}"
    done
}
echo "Logging: ${description}"
echo "[START]" | format_line >> ${logfile}
# grep is used to filter out command line output while keeping commands
ssh "$@" | tee >(grep -Eo '[\w\[]+.*?[:\[].*?[\$#].*?$' --color=never --line-buffered | format_line >> ${logfile})
echo "[END]" | format_line >> ${logfile}