Re^2: Duplicate fields

Grin. Put in a single A on a line, and everything starting with that is gone. A good way to make the asker think again, but probably not the right solution.

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Re^3: Duplicate fields by Utilitarian (Vicar) on Jul 28, 2009 at 11:03 UTC
Not so much, it drops repeats until a change, though it sorts the contents of the file and strips the newlines, so it's almost certainly the wrong answer, definitely not scalable, and the $past isn't quoted correctly, but other than that it works perfectly ;) `~/$ perl tmp.pl data A different line A line similar to the previous one Apples are tasty this is a line which contains the previous line in it's entirety this is not the same ~/$ cat data A A line similar to the previous one A different line Apples are tasty this is a line this is a line which contains the previous line this is not the same this is a line which contains the previous line in it's entirety` [download]	[reply] [d/l]

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Re^3: Duplicate fields
by Utilitarian (Vicar) on Jul 28, 2009 at 11:03 UTC

~/$ perl  tmp.pl data
A different line
A line similar to the previous one
Apples are tasty
this is a line which contains the previous line  in it's entirety
this is not the same
~/$ cat data
A
A line similar to the previous one
A different line
Apples are tasty
this is a line
this is a line which contains the previous line
this is not the same
this is a line which contains the previous line  in it's entirety
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