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Shell Programming and Scripting

Help for File Modification

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# 1  
Old 01-24-2012
Help for File Modification
Hi All,

I have a file disk_space.log.
cat disk_space.log
Code:
94% /
32% /boot
38% /mnt/data
100% /media/CDROM

I want the output, like
cat disk_space.log
Code:
94% /
100% /media/CDROM

That means print the line those are grater-than 90%. And rest of the line is remove from file.
I have a script but that is not working properly.
Code:
cat disk_space.log | awk -F"%" '{print $1}' | awk '$1>90'

Please Help me.

Thanks in advance
Moderator's Comments:
Mod Comment Please use next time code tags for your code and data
Last edited by vbe; 01-24-2012 at 09:09 AM..
# 2  
Old 01-24-2012
Should work:
Code:
awk -v FS="%" '$1>90 {print}' disk_space.log

# 3  
Old 01-24-2012
Code:
awk '$1+0>90' infile

--ahamed
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