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Tag: edit

Prevent accidental history editing in bash

I recently switched from tcsh to bash, and one thing that keeps tripping me up is how bash handles history. I regularly bring up a previous history command and begin to edit it, but realize I need to run a different command first. In bash, this edits the original command, and I cannot see what I originally typed. In tcsh,

How to edit 300 GB text file (genomics data)?

I have a 300 GB text file that contains genomics data with over 250k records. There are some records with bad data and our genomics program ‘Popoolution’ allows us to comment out the “bad” records with an asterisk. Our problem is that we cannot find a text editor that will load the data so that we can comment out the

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