2 ms·
Doesn't uniq only read the input once? I've always assumed that the reason uniq assumes its input is presorted is that, then, it doesn't need to buffer all of i
by fiddlerwoaroof 8y ago
Doesn't uniq only read the input once? I've always assumed that the reason uniq assumes its input is presorted is that, then, it doesn't need to buffer all of it: instead, it just eliminates successive duplicate lines.
- alpb 8y agoYeah but in this case the author is doing "cat 1.txt 1.txt 2.txt".