Compare strings

bash

if [[ "$env" == 'prod' ]]; then echo deploy; fi

Explanation

[[ supports pattern matching with == as well.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Same sheet · prioritizing Tests and Conditionals

Check whether a string is empty.

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Check whether a regular file exists.

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Check whether a directory exists.

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Use arithmetic context for integer comparisons.

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Use a command directly as the condition.

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Match one variable against several patterns.

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