Linux Bash

script execution time

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March 2025

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Measure script execution time using `trap '' DEBUG` and `$BASH_COMMAND`

bash trap debug bash_command script execution time performance tracking

Learn how to measure the execution time of individual Bash script commands using `trap '...' DEBUG` and `$BASH_COMMAND`. This detailed method sets triggers before and after each command, allowing you to log precise timings. Examples include simple time tracking for each command and an advanced approach using associative arrays for more complexity.

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