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Full Discussion: Search data file2 for entries in data file1
Top Forums Shell Programming and Scripting Search data file2 for entries in data file1 Post 302994763 by palex on Monday 27th of March 2017 09:20:12 PM
Old 03-27-2017
Search data file2 for entries in data file1
Hello,
I have two data files:

file1:
Code:
9780205646999   28.31   20      Cengage
9780205647040   51.94   20      Cengage
9780205660568   49.11   20      Cengage
9780205696758   51.75   20      Cengage
9780205727643   41.63   20      Cengage

file2:
Code:
9780020080954   9780020080954    2       23.3729         11      100     a       n
9780205647040   9780205647040    2       23.3729         11      100     a       n
9780023001406   9780023001406    2       46.4325         11      100     a       n
9780205727643   9780205727643    2       299.378         11      100     a       n

I am looking to search file2 for every entry in column 1 of file1. If the entry is found in file2, the output should be the entire corresponding line of file 1 with the entry in column 4 of file2 appended as such:

Code:
9780205647040   51.94   20      Cengage	23.3729
9780205727643   41.63   20      Cengage	299.378

I know how to do this with grep -f, but it is extremely cumbersome. Thanks very much!
 

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LEARN ABOUT SUSE

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  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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