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In order to write bash-scripts, I often do the task manually to see how it works. I type ### at the start of my session.
The function fetches the commands from the last occurrence of '###', excluding the function call. You could prefix this with a here-document to have a proper script-header.
Delete some lines, add a few variables and a loop, and you're ready to go.
This function could probably be much shorter...
There are 5 alternatives - vote for the best!
Uses history to get the last n+1 commands (since this command will appear as the most recent), then strips out the line number and this command using sed, and appends the commands to a file.
If you can do better, submit your command here.
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