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From: | Bauke Jan Douma |
Subject: | Re: problem with command sort after uniq -c |
Date: | Mon, 10 Mar 2008 20:43:10 +0100 |
User-agent: | Thunderbird 2.0.0.12 (X11/20080213) |
Andreas Schwab wrote on 10-03-08 19:54:
Damien ANCELIN <address@hidden> writes:I met a problem with the sort command : I've used the uniq command with the -c option to count some numbers, and then applying sort -n don't sort lines by numeric order of the first field. Here is an example (my sort version is 5.97) : $ cat bug_sort | sort -nThis is a useless use of cat, you can just redirect sort's standard input from the file.
True, but such constructs do happen. What might have been the case here, and which is a situation that I find myself in sometimes, is this: you want to do 'filter1 FILE | filter2' (or 'filter1 <FILE | filter2'). Somehow the output isn't what's to be expected. You investigate, and part of that is temporarily substituting filter1 for plain cat and the command becomes 'cat FILE | filter2'. Most of the time this is on the command-line. bjd
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