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05-16-2008
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[sh] String comparison operators
I know in C shell, if I wanted to check if the inputted number was in a certain format, like a zip code, I can use the following code: Code:
if ( $reply !~ [0-9][0-9][0-9][0-9][0-9] ) then Now if I wanted to do the same thing in bourne shell script, I assume it would be something like this: Code:
if [ $reply! = [0-9][0-9][0-9][0-9][0-9] ] but this doesn't work when I tested it out. Does bourne shell support regex in if statement conditions? |
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