Hi, this is a demo of my extended bash commandline history manager

It's done by hook in $PROMPT_COMMAND and trap ... DEBUG too, as well as abusing GNU/Screen's terminal logging feature. I might publish its code once I tidy it up. Command lines are saved in a separate history file with extra info:

• when the command issued (vanilla bash can do it too, though)
• when finished (and display how long did it take)
• exit code (of each command in a pipeline)
• working directory
• output produced on the terminal (by GNU/Screen's help)

The UI is done by fzf.

Bring it up by the usual Ctrl-R. It looks like this:

Ignore the first line now – that's my git prompt addon.

See the selected command line is displayed in the preview panel on right hand side. This is useful if a long command does not fit in 1 line.

It shows exit codes in red – unless it's all zero:

If the shell session was inside a properly configured GNU/Screen, the output is recorded and you can see it in the preview panel by Alt-L (L for log). Switch back the preview panel by Alt-H.

F1 shows keybindings.

keybindings...

Pressing Alt-C composes a command line which chdirs into the selected command's working directory and issues the command itself. You can edit it before invoke.

Select multiple command by TAB. In this case a command line is composed which invokes all of them in order. You can select multiple items and press ALT-C to run each in their respective workdir as well.

This is a command line generated out of the selected 2:

Lastly, the Alt-R fzf keybinding makes this bash array, so you can work a given command's (or multiple commands') screen log files programatically (script-o-matically).

For example, just cat it and terminal control codes – including ANSI color codes – which were produced by the recalled command are printed as well:

QED