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33 lines
868 B
33 lines
868 B
4 years ago
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# fcmp - compare file identity
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A shell utils that compares files for identity with `mmap()` and `memcmp()`.
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# Usage
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`fcmp` produces no output, but success is indicated by its return code.
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```shell
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$ fcmp file1 file2 && echo "Equal!"
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```
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| Code | Meaning |
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|------|--------------------------------------------------------------|
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| 0 | The files are equal |
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| 1 | The files are unequal |
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| 2 | The files have unequal lengths, and therefor must be unequal |
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| -1 | There was an error |
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Therefor you can use this in shell scripts easily:
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``` shell
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# Example
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if fcmp "$1" "$2"; then
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echo "Files are equal!"
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else
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echo "Files are not equal!"
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fi
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```
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# License
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GPL'd with <3
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