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Full Discussion: Difference of two data files & writing to an outfile.
Top Forums Shell Programming and Scripting Difference of two data files & writing to an outfile. Post 302530294 by Shell_Life on Monday 13th of June 2011 12:43:02 PM
Old 06-13-2011
Your primary keys have the following sequence in the record:
Code:
49:ID_ISIN
66:ID_CUSIP
119:ID_BB_UNIQUE
188:UNDL_ID_BB_UNIQUE

To extract the primary key values from the file:
Code:
egrep '|' input_file | cut -d'|' -f49,66,119,188

Then you can compare the extracted values.
 

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LEARN ABOUT CENTOS

xzcmp

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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