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Wednesday, February 9, 2011

Solution: merge two files / append two files in Linux

Code:
cat file1 file2 .. fileN  > mergedfile
Note the '>' in the command: it points that the target file follows, don't forget to put it there.

Advance:
 
If you accept that entries in the resulting file are sorted, you can use uniq to remove duplicates.

Code:
cat file1 file2 | sort | uniq > mergedfile

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