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adding brackets

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# 1  
Old 08-20-2012
adding brackets
Hi,
If you suppose that you have two columns of numbers, and I want to merge these two columns into one and put a bracket around it. and perphaps add a dash between two numbers.

input.txt
Code:
1 2 
3 4 
5 6
7 8

output.txt
Code:
(1-2)
(3-4)
(5-6)
(7-8)

Thanks in advance!


Moderator's Comments:
Mod Comment Please use code tags next time for your code and data.
Last edited by zaxxon; 08-20-2012 at 11:23 AM.. Reason: code tags
# 2  
Old 08-20-2012
Code:
$ while read LINE; do echo "($(echo ${LINE}| tr -s ' ' '-'))"; done < input.txt
(1-2)
(3-4)
(5-6)
(7-8)

This User Gave Thanks to zaxxon For This Post:
johnkim0806
# 3  
Old 08-20-2012
Code:
$ awk '{print "("$1"-"$2")"}' input.txt
(1-2)
(3-4)
(5-6)
(7-8)

This User Gave Thanks to itkamaraj For This Post:
johnkim0806
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