Miguel Grinberg • 2/4/2026

Date Arithmetic in Bash

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This article explains how to handle date and time calculations directly in bash, a common need for scripts in constrained environments like older NAS devices. It covers bash arithmetic expansion, variable usage, and numerical loops, positioning it as a practical solution when more robust programming languages are unavailable.

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#bash #Shell Scripting #Date Arithmetic
Date Arithmetic in Bash

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