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Here Today, Gone When You Exit: Proper Tempfiles in Shell Scripts

Tags: , , , , Date/Time: April 9, 2022 @ 2:53 pm, by raindog308

In the course of my career, I’ve periodically come across code like this in shell scripts: TEMP_FILE=/tmp/tempfile Or sometimes, slightly more elegantly: TEMPFILE=/tmp/tempfile.$$ The problems with the first example are obvious, especially if it appears in many different scripts.  The second is better.  The “$$” means “my process ID”, who if whatever script had a […]