Bhasker C V wrote:
> Hi,
>
>
>
> For fairly large file 100K+ lines
> uniq command does not filter the repetitive lines.
>
> Am I doing anything wrong on the usage ?
>
> For eg:-
>
> I had run this script in my home dir
>
> find . -name \* -type f -exec basename {} \; | uniq
> or send the output to a file and then run uniq on the file
>
> Both cases, the o/p shows repeated lines
>From man uniq(1):
DESCRIPTION
Discard all but one of successive identical lines from INPUT (or
stan-
dard input), writing to OUTPUT (or standard output).
And, later:
Note: ’uniq’ does not detect repeated lines unless they are
adjacent.
You may want to sort the input first, or use ‘sort -u’ without
‘uniq’.
Since find will output the names in no particular order, you'll have to
sort first.
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Eduardo M KALINOWSKI
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