Re^2: Find duplicate lines from the file and write it into new file.

if sorting is an option, and we are on unix/linux here, i would try out sort -u file

update: yep, i misread the question. forget it =)

Comment on Re^2: Find duplicate lines from the file and write it into new file. Download Code

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Re^3: Find duplicate lines from the file and write it into new file. by monkey_boy (Priest) on Jan 04, 2007 at 13:34 UTC
but then you would lose the duplicates, i think the OP wanted to find the duplicates, perhaps somthing along the lines of `sort \| uniq -c` , then they could read the file and look at the counts This is not a Signature...	[reply] [d/l] [select]
Re^4: Find duplicate lines from the file and write it into new file. by davidrw (Prior) on Jan 04, 2007 at 13:51 UTC
`uniq` can give you the dups directly: `sort foo.txt \| uniq -d` [download]	[reply] [d/l] [select]