sed example: insert a line after another line Then move that backup to a different directory. (I chose the sed commands.) sed example - Step 1īecause you can easily screw up a lot of files with one sed command, Step 1 is to make a backup of whatever files you're thinking about modifying with sed. So I had two choices: modify each file by hand over the next six hours, or run a series of sed commands and be done in 30 minutes. This tutorial consists of over 40 files, and I had eight changes I wanted to make each file. If you ever need to use the Unix/Linux sed command to insert text before or after a line of text in an existing file, here's how I just ran several sed commands to update my old Function Point Analysis tutorial to have a format that doesn't look like it was created in the 1990s.
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