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Full Discussion: Matching string on two files based on match rules.
Top Forums Shell Programming and Scripting Matching string on two files based on match rules. Post 302479671 by effay on Sunday 12th of December 2010 09:42:34 AM
Old 12-12-2010
Matching string on two files based on match rules.
Hi,

How to check if a string on file2 exactly matches with a part or complete string on file1, and return a match indicator based on some match rules.
1) only records on file1 with category A should be matched. for other category, the output match indicator should default to 'N'
2) on file2 (lookup file), trailing space is represented by #, so PO BOX on file1 should match with PO#
Ex:
file1
Code:
Adrfld,category
PO BOX,A
POST,A
avenue,A
business,X
bus terminus,A
first cross,A
firstcross,A

file2 ( Pattern file)
Code:
Adrptrn,active
ave,y
PO#,y
bus,y
cross,y

output
Code:
Adrfld,category,matchind
PO BOX,A,Y (matches with PO#)
POST,A,N (no match )
avenue,A,Y (matches with ave)
business,X,N (matches with bus, but category is X, so matchind is N)
bus terminus,A,Y (matches with bus)
first cross,A,Y (matches with cross with a leading space)
firstcross,A,N (cross matches but has no leading space0

Please help me with this as Im new to Unix, and am trying hard to achieve this.
Thanks.
Last edited by Franklin52; 12-14-2010 at 04:40 AM.. Reason: Please use code tags, thank you
 

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LEARN ABOUT SUSE

lzcmp

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

BUGS

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

Tukaani 							    2009-07-05								 XZDIFF(1)
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