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Full Discussion: Help on writing data from 2 different files to one based on a common factor
Top Forums Shell Programming and Scripting Help on writing data from 2 different files to one based on a common factor Post 302767473 by vat1kor on Thursday 7th of February 2013 01:10:18 AM
Old 02-07-2013
The 2 files contains the data one below the other as shown in the examples above and if you take a look at both the files, the common data is available in both the text files with the ***NEXT*** indicating that a group ends....

So I need the data from both the files with the common factor (data) as the catalyst to merge the group and write into a third file.

Example once again: 'B' is common in both files which is termed as a group
ABCD and EFGB... so these 2 needs to be merged based on the common factor B and written into a third file with the data now shown B A B C D E F G with the common data first and the remaining data in one line. HTH
 

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LEARN ABOUT OSX

opendiff

opendiff(1)						    BSD General Commands Manual 					       opendiff(1)

NAME

     opendiff -- Use FileMerge to graphically compare or merge file or directories

SYNOPSIS

     opendiff file1 file2 [-ancestor ancestorFile] [-merge mergeFile]
     opendiff dir1 dir2 [-ancestor ancestorDirectory] [-merge mergeDirectory]

DESCRIPTION

     opendiff is a command line utility that provides a convenient way to launch the FileMerge application from Terminal to graphically compare
     files or directories.  If FileMerge is already running, opendiff will connect to that running instance for the new comparison.  opendiff
     exits immediately after the comparison request has been sent to FileMerge.

     opendiff and FileMerge can be used to compare two files file1 and file2 or to compare two directories dir1 and dir2.

     If the -ancestor flag is given, FileMerge will compare the two files or directories to a common ancestor.	This is useful if two people inde-
     pendently modify copies of a single original file or directory.

     FileMerge lets you merge two files or directories together to create a third file or directory.  To see the contents of a merged file, drag
     the splitter bar at the bottom of FileMerge's file comparison window.  The contents of the merged file can be directly edited within File-
     Merge.  After editing, the merged file can be saved to the file (or into the directory) specified with the Fl merge flag.	If a destination
     is not specified with the -merge flag, FileMerge will ask for a destination file or directory when you try to save a merged file.

     For further information, please consult the Help information available from the FileMerge application.

FILES

     /Developer/Applications/Utilities/FileMerge.app

     opendiff and FileMerge are installed as part of the Mac OS X Developer Tools.

SEE ALSO

     diff(1), diff3(1), cmp(1)

Mac OS X							  August 3, 2004							  Mac OS X
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