L.V.Gandhi wrote:
On 6/14/07, *William Pursell* <[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>> wrote:
L.V.Gandhi wrote:
> I have two directories A and B. In each directory, I have nearly 1000
> files with same names. I would like to compare both directories
and find
> out which files differ more than say 5 lines. I use kompare and see
> manually. How to do it in command line easily?
Here's a scriptlet that will print the name of all the files for
which diff produces more than 5 lines of output. (Which is not quite
to say that they differ in 5 lines, but it's close).
for file in $(find A -type f); do if test $(diff $file B/${file/A/} | wc
-l) -gt 5; then echo $file; fi; done
Can you please explain both $ part?
$(find A -type f) produces a list of files in the directory A.
${file/A/} produces the file name with the leading "A" deleted,
eg:"A/foo" becomes "/foo"
$file B/${file/A/} becomes "A/foo B//foo" which is the
argument list to diff.
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