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Top Forums UNIX for Dummies Questions & Answers Filter lines common in two files Post 302830467 by gokcell on Tuesday 9th of July 2013 01:42:10 AM
Old 07-09-2013
Paste is one of the easy solution

Parse all of your required line to different file with awk and then join all of your file with the paste command. With the paste command you can use any kind of seperator also. In this example i used semicolon.

Paste command usage:

paste -d ";" file1 file2 file3 .....

Code:
[goksel@gokcell cozum]$ cat >file1
1001   23.5  -6.45  3.2  14.68
1002   48.2  -35.6  8.5  21.67
1003   -5.6   23.6   3.5  3.56
^Z
[1]+  Stopped                 cat > file1
[goksel@gokcell cozum]$ cat >file2
1001   C   16   US
1002   D    32   US
1004   E    13   US
^Z
[2]+  Stopped                 cat > file2
[goksel@gokcell cozum]$ cat file1
1001   23.5  -6.45  3.2  14.68
1002   48.2  -35.6  8.5  21.67
1003   -5.6   23.6   3.5  3.56

cat file1 | awk '{print $1}' >f1l1
cat file1 | awk '{print $2}' >f1l2
cat file1 | awk '{print $3}' >f1l3
cat file2 | awk '{print $3}' >f2l3

paste -d ";" f1l1 f1l2 f1l3 f2l3 >result

cat result 
1001;23.5;-6.45;16
1002;48.2;-35.6;32
1003;-5.6;23.6;13

Regards,
Goksel Yangin
Computer Engineer

Moderator's Comments:
Mod Comment edit by bakunin: repaired some broken CODE-tags.

Last edited by bakunin; 07-10-2013 at 06:02 AM..
This User Gave Thanks to gokcell For This Post:
 

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cat(1)							      General Commands Manual							    cat(1)

Name
       cat - concatenate and print data

Syntax
       cat [ -b ] [ -e ] [ -n ] [ -s ] [ -t ] [ -u ] [ -v ] file...

Description
       The  command reads each file in sequence and displays it on the standard output.  Therefore, to display the file on the standard output you
       type:
       cat file
       To concatenate two files and place the result on the third you type:
       cat file1 file2 > file3
       To concatenate two files and append them to a third you type:
       cat file1 file2 >> file3
       If no input file is given, or if a minus sign (-) is encountered as an argument, reads from the standard input file.  Output is buffered in
       1024-byte blocks unless the standard output is a terminal, in which case it is line buffered.  The utility supports the processing of 8-bit
       characters.

Options
       -b   Ignores blank lines and precedes each output line with its line number.

       -e   Displays a dollar sign ($) at the end of each output line.

       -n   Precedes all output lines (including blank lines) with line numbers.

       -s   Squeezes adjacent blank lines from output and single spaces output.

       -t   Displays non-printing characters (including tabs) in output.  In addition to those representations used with the -v  option,  all  tab
	    characters are displayed as ^I.

       -u   Unbuffers output.

       -v   Displays  non-printing  characters (excluding tabs and newline) as the ^x.	If the character is in the range octal 0177 to octal 0241,
	    it is displayed as M-x. The delete character (octal 0177) displays as ^?.  For example, is displayed as ^X.

See Also
       cp(1), ex(1), more(1), pr(1), tail(1)

																	    cat(1)
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