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Old 08-30-2006, 08:16 AM   #16
Kvetch
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Sorry for the confusion. I kept overlooking the flag for some reason. Some days, judging by the stupid mistakes I make I think I should have stayed in bed.
Thanks again for everyone's help.
 
Old 08-30-2006, 02:43 PM   #17
Tinkster
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Quote:
Originally Posted by schneidz
um, i might just be showing my ignorance but how about some combination of
sort | uniq
Has the same efect as sort -u but requires two processes...


Cheers,
Tink
 
Old 08-30-2006, 07:21 PM   #18
AnanthaP
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Oops sorry, my last post was incomplete.

If the input data was:
foo,foo bar,foobar,blah,123,boo,boo bar,boobar
foo,foo bar,foobar,blah,345,boo,boo bar,boobar
foo,foo bar,foobar,halb,345,boo,boo bar,boobar
foo,foo bar,foobar,blah,234,boo,boo bar,boobar
foo,foo bar,foobar,blah,345,oob,boo bar,boobar and so on.
foo,foo bar,foobar,blah,234,boo,boo bar,boobar

ie. if the key were the same but other fields differed.

My understanding of uniq is that it looks at the full record and not just the sort key. So as per my understanding there would 3 distinct records for code 345. So I thought that the sorted output had to be piped to `awk`. (I don't have acces to a unix machine right now and so can't check it out).

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