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Top Forums Shell Programming and Scripting A problem with "grep" on a script Post 302692741 by adilyos on Tuesday 28th of August 2012 05:06:32 AM
Old 08-28-2012
A problem with "grep" on a script

Hello every one,

I have two files : file1 and file2

- file1 contains one column and multiple lines.
- file2 contains multiple lines and multiple columns.

I want to do a script that compare the first column of file2 with the only column of file1 then took the lines that are the same and search for each line the whole line on file2 then write the result on a file that we can call RESULT.

Here is my script :

Code:
#!/bin/bash
more file2|awk '{print $1}'|while read line
do
     grep $line file1
done|while read ligne
do
     grep '^$ligne' file2
done

But I still do not have the result that I want.

Regards,


Moderator's Comments:
Mod Comment Please use code tags next time for your code and data.

Last edited by zaxxon; 08-28-2012 at 06:12 AM.. Reason: code tags
 

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COMBINE(1)																COMBINE(1)

NAME
combine - combine sets of lines from two files using boolean operations SYNOPSIS
combine file1 and file2 combine file1 not file2 combine file1 or file2 combine file1 xor file2 _ file1 and file2 _ _ file1 not file2 _ _ file1 or file2 _ _ file1 xor file2 _ DESCRIPTION
combine combines the lines in two files. Depending on the boolean operation specified, the contents will be combined in different ways: and Outputs lines that are in file1 if they are also present in file2. not Outputs lines that are in file1 but not in file2. or Outputs lines that are in file1 or file2. xor Outputs lines that are in either file1 or file2, but not in both files. "-" can be specified for either file to read stdin for that file. The input files need not be sorted, and the lines are output in the order they occur in file1 (followed by the order they occur in file2 for the two "or" operations). Bear in mind that this means that the operations are not commutative; "a and b" will not necessarily be the same as "b and a". To obtain commutative behavior sort and uniq the result. Note that this program can be installed as "_" to allow for the syntactic sugar shown in the latter half of the synopsis (similar to the test/[ command). It is not currently installed as "_" by default, but you can alias it to that if you like. SEE ALSO
join(1) AUTHOR
Copyright 2006 by Joey Hess <joey@kitenet.net> Licensed under the GNU GPL. moreutils 2012-04-09 COMBINE(1)
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