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Shell Programming and Scripting

Concatenating Output

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# 1  
Old 10-03-2012
Data Concatenating Output
Hello all

The following line :
Code:
df -h | awk '{print $5}'| head -2 |tail -1

gives me an output of '2.2G'

How can I remove the 'G' so that I can use the 2.2 for further calculations ?
Last edited by Franklin52; 10-03-2012 at 08:39 AM.. Reason: Please use code tags for data and code samples
# 2  
Old 10-03-2012
Try like ..
Code:
echo "2.2G"|sed 's/G//g'

# 3  
Old 10-03-2012
Code:
df -h | awk 'NR==2{gsub("G","",$0);print $5}'

NR==2 choose your row you want to print. and column in $..
# 4  
Old 10-03-2012
Code:
df -h | awk 'NR==2{print $5+0;exit}'

This User Gave Thanks to elixir_sinari For This Post:
drl
# 5  
Old 10-03-2012
Thanks.
One more thing. File systems can be in MBs or GBs.... So im not sure what result would I get. It could be 2G or 2M.... So how can I modify your result to make sure that it removes the M or G , which ever appears in the result ?
# 6  
Old 10-03-2012
Have you tried what I've suggested?
# 7  
Old 10-03-2012
Dosent Work. Its Returns 0.
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