Record the terminal session and replay later

recterm.sh

#!/bin/bash
# Uses script and scriptreplay to record and playback virtual terminal.
# Copyright (C) 2007  Hean Kuan Ong <[email protected]>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#
# This format of script was created by Henrique Moody <[email protected]>.
#
# Authors
# =======
#   Hean Kuan Ong <[email protected]>
#   Henrique Moody <[email protected]>
#
# Changelog
# =========
#   1.2.1   Remove temporary file when update fails.
#   1.2.0   Created a self updater.
#   1.1.0   Shortened long times in the session time file.
#   1.0.0   Updated script interface and help.
#

SCRIPT_NAME=$(basename "${0}")
SCRIPT_VERSION=$(sed -n 28p "${0}" | awk '{print $2}')
HELP_MESSAGE="Usage: ${SCRIPT_NAME} [OPTION] [SESSION]
Record and playback terminal session.

    -h, --help      Displays this help.
    -r, --record    Start to record a session.
    -p, --play      Start to play a session.
    -v, --version   Displays the version of the program.
    -u, --update    Self update ${SCRIPT_NAME}.

Report bugs to: [email protected]."

for command in "curl" "script" "scriptreplay"
do
    if [ ! -n $(which ${command}) ]
    then
        echo "${command} is not installed, please install."
        exit 1
    fi
done

case ${1} in

    -h | --help)

        echo "${HELP_MESSAGE}"
        exit 0

    ;;

    -V)

        echo "${SCRIPT_VERSION}"
        exit 0

    ;;

    -v | --version)

        echo "${SCRIPT_NAME} version ${SCRIPT_VERSION}"
        echo
        sed -n '2,19p' "${0}" | sed -r 's/^# ?//g'
        exit 0

    ;;

    -u | --update)


        TEMPORARY=/tmp/recterm_$(date +%s)
        curl -L git.io/recterm -o ${TEMPORARY}
        chmod +x ${TEMPORARY}
        HEAD_VERSION=$(${TEMPORARY} -V)
        if [ "${HEAD_VERSION}" ==  "${SCRIPT_VERSION}" ]
        then
            echo "Nothing to update."
            echo "The last version of ${SCRIPT_NAME} is ${HEAD_VERSION}."
            rm -f ${TEMPORARY}
            exit 0
        fi

        if [ ! -w "${0}" ]
        then
            echo "You don't have permission to update ${SCRIPT_NAME}." 1>&2
            rm -f ${TEMPORARY}
            exit 3
        fi

        mv ${TEMPORARY} "${0}"
        echo "Successfully updated of ${SCRIPT_VERSION} to ${HEAD_VERSION}"
        exit 0

    ;;

    -r | --record)

        if [ ! -n "${2}" ]
        then
            read -p "What is your session name? " NAME
        else
            NAME="${2}"
        fi

        echo "Script recording will start soon, type exit to end the recording."
        echo
        script -q -t 2> "${NAME}.timing" "${NAME}.session"
        sed -r 's/^[1-9][0-9]*\.[0-9]+/1.000000/g' -i "${NAME}.timing"
        tar -czf "${NAME}" "${NAME}.timing" "${NAME}.session"
        rm "${NAME}.timing" "${NAME}.session"
        echo "Salved \"${NAME}\" session."
        exit 0

    ;;

    -p | --play)

        if [ ! -n "${2}" ]
        then
            read -p "What session you wanna play? " NAME
        else
            NAME="${2}"
        fi

        tar -zxf "${NAME}"
        scriptreplay "${NAME}.timing" "${NAME}.session"
        rm "${NAME}.timing" "${NAME}.session"
        echo "That is the end of the script play."
        echo
        exit 0

    ;;

    *)

        echo "${HELP_MESSAGE}" 1>&2
        exit 2

    ;;

esac

$ cd /usr/local/bin
$ sudo curl -LO git.io/recterm
$ sudo chmod +x recterm
$ recterm --version