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uniq: add sorting example (#945)

This involves another command, but it's such a natural extension of uniq's `-c` functionality that I feel it's warranted to show here.

We should probably add a sort to the -c example too, because uniq only deals with *sequential* line repetitions.
Waldir Pimenta hace 8 años
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      pages/common/uniq.md

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pages/common/uniq.md

@@ -17,3 +17,7 @@
 - Display number of occurences of each line along with that line:
 
 `uniq -c {{file}}`
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+- Display number of occurences of each line, sorted by the most frequent:
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+`uniq -c {{file}} | sort -nr`