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38 lines
1.1 KiB
Plaintext
38 lines
1.1 KiB
Plaintext
---
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syntax: markdown
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tags: [tldr, windows]
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source: https://github.com/tldr-pages/tldr.git
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---
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# if
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> Perform conditional processing in batch scripts.
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> More information: <https://learn.microsoft.com/windows-server/administration/windows-commands/if>.
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- Execute the specified commands if the condition is true:
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`if {{condition}} ({{echo Condition is true}})`
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- Execute the specified commands if the condition is false:
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`if not {{condition}} ({{echo Condition is true}})`
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- Execute the first specified commands if the condition is true otherwise execute the second specified commands:
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`if {{condition}} ({{echo Condition is true}}) else ({{echo Condition is false}})`
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- Check whether `%errorlevel%` is greater than or equal to the specified exit code:
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`if errorlevel {{2}} ({{echo Condition is true}})`
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- Check whether two strings are equal:
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`if %{{variable}}% == {{string}} ({{echo Condition is true}})`
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- Check whether two strings are equal without respecting letter case:
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`if /i %{{variable}}% == {{string}} ({{echo Condition is true}})`
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- Check whether a file exist:
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`if exist {{path o ile}} ({{echo Condition is true}})`
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