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Old 03-06-2009, 04:49 AM   #1
guptneelam
LQ Newbie
 
Registered: Mar 2009
Posts: 1

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Help with scripting


I have a file say File1.Now i need a specific pattern from the lines to be added to the other line.

File

red
blue
green
ABC.txt@ABC
END
black
ash
grey
purple
XYZ.txt@XYZ
orange
pink
yellow
marroon
PQR.txt@PQR

Now i want the file to look like this<br>

#change ABC
red
blue
green
ABC.txt@ABC
END
#change XYZ
black
ash
grey
purple
XYZ.txt@XYZ
END
#change PQR
orange
pink
yellow
marroon
PQR.txt@PQR
END

Last edited by guptneelam; 03-06-2009 at 04:50 AM.
 
Old 03-06-2009, 05:53 AM   #2
ilikejam
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Registered: Aug 2003
Location: Glasgow
Distribution: Fedora / Solaris
Posts: 3,109

Rep: Reputation: 96
This reeks of homework.
 
Old 03-06-2009, 05:57 AM   #3
lugoteehalt
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Registered: Sep 2003
Location: UK
Distribution: Debian
Posts: 1,215
Blog Entries: 2

Rep: Reputation: 49
You mean put #change ABC at the front and END at the end??

Something like:
Code:
cat "#change ABC" file1 > file2
cat file2 "END" > file3
??

This probably won't work, I'm just trying to illustrate the concatenation idea.

Hope helps.
 
Old 03-06-2009, 06:23 AM   #4
pixellany
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Registered: Nov 2005
Location: Annapolis, MD
Distribution: Arch/XFCE
Posts: 17,802

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I agree that this looks like homework. Regardless, you need to give some context for the question, and you need to state the problem completely. You show an example output file, but you don't state the rule to be followed---ie the criteria for where to insert something and what to insert.

What utilities are you familiar with--eg SED, AWK, TR?

If homework, tell us more about the class, the books you are using, etc.
 
  


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