Timeline for "Ungrep" - which patterns aren't matched
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
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| Jun 21, 2013 at 9:42 | comment | added | Stéphane Chazelas |
Improvement: grep -oFf file1.txt file2.txt | sort file1.txt - | uniq -u
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| Jun 20, 2013 at 19:25 | vote | accept | Edward Shtern | ||
| Jun 20, 2013 at 18:16 | comment | added | iruvar | @rici, that is a very good point | |
| Jun 20, 2013 at 18:12 | comment | added | rici |
You could achieve the same effect without the grep trickiness: sort file1.txt <(grep -of file1.txt file2.txt) | uniq -u, but, like your solution, this only works when the pattern file doesn't actually contain any regex metacharacters.
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| Jun 20, 2013 at 17:57 | comment | added | unxnut | Very good description. Thanks and +1. | |
| Jun 20, 2013 at 17:43 | history | answered | iruvar | CC BY-SA 3.0 |