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To replace '(' and ')' symbol using tr or sed

 
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# 1  
Old 05-17-2012
To replace '(' and ')' symbol using tr or sed
I am trying to replace '(' and ')' symbol with nul text using tr command. But i am not able to get the expected output . Please help

Code:
# cat test.txt
155170816-(75767Mb)

#
Code:
 tr '(' '' < test.txt
155170816-(75767Mb)

Code:
# tr ')' '' < test.txt
155170816-(75767Mb)
#


I want the o/p as

Code:
155170816-75767Mb

Anyone please help. How can i do this using tr or sed.
Last edited by Scrutinizer; 05-17-2012 at 04:47 AM.. Reason: code tags
# 2  
Old 05-17-2012
Code:
 
$ echo "155170816-(75767Mb)" | sed 's,[()],,g'
155170816-75767Mb
 
sed 's,[()],,g' test.txt

# 3  
Old 05-17-2012
Code:
tr -d '()'

# 4  
Old 05-17-2012
Thanks itkamaraj,

Suppose if i want to get the o/p as 155170816-75767 meas how can i do in single command.

Code:
# cat test.txt
155170816-(75767Mb)

O/P must be

Code:
155170816-75767

Last edited by Scrutinizer; 05-17-2012 at 04:48 AM.. Reason: code tags
# 5  
Old 05-17-2012
Code:
$ echo "155170816-(75767Mb)" | sed 's,[Mb()],,g'
155170816-75767

# 6  
Old 05-17-2012
Code:
tr -d '()' < test.txt

# 7  
Old 05-17-2012
Code:
echo "155170816-(75767Mb)" | sed "s/[a-zA-Z()]//g"

 
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