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how to remove white space from a value

Posted on 2014-07-24
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Last Modified: 2014-07-25
Hello,
I am pulling a value from a file using this command,  I would then need to remove the white space from the value.

For example,
examplevalue=$(awk -F"\t" 'NR==30 {print $9}' $file )

Returns value
aaaa bbbb cccc

final value should look like this
aaaa-bbbb-cccc
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Question by:bje
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awk -F"\t" 'NR==30 {gsub(" ","-",$9);print $9}'
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