Linux Cmd Tool 系列之—script & scriptreplay

Intro

Sometime we want to record cmd and outputs in the interactive shell sessions. However history cmd cannot do this. So we need cmd line recording tool like script and scriptreplay.

References

Master's Shoulder：How to Record and Replay Linux Terminal Sessions using ‘script’ and ‘scriptreplay’ Commands

Key Points

script cmdhist.log

This starts the script recording process, which underlyingly is spawning a new shell, all successive cmds you type is in the new shell.

exit

This exits the new shell created by script cmd.

script --timing=time.log cmdhist.log

This will populate another time.log file that keeps the timestamp of each historical cmd step.

To replay such cmdhist.log, you need time.log and scriptreplay cmd.

scriptreplay --timing=time.txt script.log