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Full Discussion: Compare fields in files
Top Forums Shell Programming and Scripting Compare fields in files Post 302595794 by pradebban on Sunday 5th of February 2012 08:30:11 AM
Old 02-05-2012
Compare fields in files
Hi,

I need the most efficient way of comparing the following and arriving at the result

I have a file which has entries like,

File1:

1|2|5|7|8|2|3|6|3|1

File2:

1|2|3|1|2|7|9|2

I need to compare the entries in these two file with those of a general file,

1|2|3|5|2|5|6|9|3|1 ---> constant file

My need is to calculate the similar entries between file1 and constant file and the same for file2 and so on.
Only matching.

In my case,
the compare with file1 and constant file will account to: "2"
similarly for file2 it will be: "4"

Please help me to implement this in an easy and effective way.

thanks.
 

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LEARN ABOUT NETBSD

xzdiff

XZDIFF(1)                                                            XZ Utils                                                            XZDIFF(1)

NAME

       xzcmp, xzdiff, lzcmp, lzdiff - compare compressed files

SYNOPSIS

       xzcmp [cmp_options] file1 [file2]
       xzdiff [diff_options] file1 [file2]
       lzcmp [cmp_options] file1 [file2]
       lzdiff [diff_options] file1 [file2]

DESCRIPTION

       xzcmp  and  xzdiff  invoke cmp(1) or diff(1) on files compressed with xz(1), lzma(1), gzip(1), bzip2(1), or lzop(1).  All options specified
       are passed directly to cmp(1) or diff(1).  If only one file is specified, then the files compared are file1 (which must have a suffix of  a
       supported  compression format) and file1 from which the compression format suffix has been stripped.  If two files are specified, then they
       are uncompressed if necessary and fed to cmp(1) or diff(1).  The exit status from cmp(1) or diff(1) is preserved.

       The names lzcmp and lzdiff are provided for backward compatibility with LZMA Utils.

SEE ALSO

       cmp(1), diff(1), xz(1), gzip(1), bzip2(1), lzop(1), zdiff(1)

BUGS

       Messages from the cmp(1) or diff(1) programs refer to temporary filenames instead of those specified.

Tukaani                                                             2011-03-19                                                           XZDIFF(1)
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