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Shell Programming and Scripting

different line and column ?

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# 1  
Old 02-06-2008
different line and column ?
Hi,

I want to take 2 variable from different line and column. But I am new in bash because of this I couldn't do. If you help me I will be happy Smilie:

Example output:

Quote:
[root@server ~] cat myfile.txt

Example example2 example3
Example4 example5 example6
I want to take only example2 and example6
# 2  
Old 02-06-2008
This smells like a covert homework problem, can you explain what you're trying to achieve?

Regards
# 3  
Old 02-06-2008
No it isn't my homework. I am trying to take free ram in centOS.

total used free shared buffers cached
Mem: 248 227 20 0 34 100
-/+ buffers/cache: 93 155
Swap: 2000 105 1895

I want to take 3rd and 7th column in 2nd line. I am taking but for earch line not 2nd Smilie...

free -m | awk '{print $3 - $7}' | awk '{print "Free Ram: " $1}'
# 4  
Old 02-06-2008
try something on these lines, below prints 3rd coulmn of line where MEM is found & 4th column in the line where it finds -/+.

awk '/Mem/ {print $3} /\-\/\+/ {print $4}' fílename
# 5  
Old 02-06-2008
Is this what you're looking for?

Code:
awk 'NR==2{print "Free ram: ", $2, $7}'

Regards
# 6  
Old 02-06-2008
Thank you Franklin52 and brainyoung.

Code:
awk 'NR==2{print "Free ram: ", $2, $7}'

with this I solved my problem.
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