20 lines
1,012 B
Markdown
20 lines
1,012 B
Markdown
---
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obj: application
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wiki: https://en.wikipedia.org/wiki/Diff
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website: https://www.gnu.org/software/diffutils/
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repo: https://git.savannah.gnu.org/cgit/diffutils.git
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---
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# diff
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compare files line by line
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Usage: `diff [OPTION]... FILES`
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## Options
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| Option | Description |
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| ------------------------------ | ----------------------------------------------- |
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| `--normal` | output a normal diff (the default) |
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| `-q, --brief` | report only when files differ |
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| `-s, --report-identical-files` | report when two files are the same |
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| `-c, -C NUM, --context[=NUM]` | output NUM (default 3) lines of copied context |
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| `-u, -U NUM, --unified[=NUM]` | output NUM (default 3) lines of unified context |
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| `-r, --recursive` | recursively compare any subdirectories found |
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| `-a, --text` | treat all files as text |
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