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make the last examples more useful (#858)

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Output to file and sort files.
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Waldir Pimenta 2016-05-09 14:17:43 +01:00
parent 17f0b9a1ca
commit d95b01fcd1
1 changed files with 5 additions and 5 deletions
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10
pages/common/comm.md
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@ -10,14 +10,14 @@
`comm -12 {{file1}} {{file2}}` `comm -12 {{file1}} {{file2}}`
- Print only lines common to both files, read one file from stdin: - Print only lines common to both files, reading one file from stdin:
`cat {{file1}} | comm -12 - {{file2}}` `cat {{file1}} | comm -12 - {{file2}}`
- Print lines only found in first file: - Get lines only found in first file, saving the result to a third file:
`comm -23 {{file1}} {{file2}}` `comm -23 {{file1}} {{file2}} > file1-only.txt`
- Print lines only found in second file: - Print lines only found in second file, when the files aren't sorted:
`comm -13 {{file1}} {{file2}}` `comm -13 <(sort {{file1}}) <(sort {{file2}})`