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i have a list of files in a folder. the list of files is displayed using:


now, i want to pipe that to uniq so it'll ignore the first 6 charactes before comparing.
is it possible? or perhaps i need to use another command?
thank you

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2 Answers

up vote 2 down vote accepted

pipe the output of ls first to sed to strip away the first X characters and then pipe it to uniq.

% ls | sed -e 's/.\{X\}//' | uniq

(note: replace X with 6 in your case)

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i see. thank you –  bks May 18 '10 at 11:49
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Use the -s (--skip-chars) option if your version of uniq has it.

ls | uniq -s 6


ls | uniq --skip-chars=6
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