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Error in shell script when #!/bin/bash is used as shebang

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# 1  
Old 11-18-2009
Error in shell script when #!/bin/bash is used as shebang
Code:
#!/bin/ksh

echo -en "\033[1;32mEnter ACTIVATION KEY:\033[0m"
read ACTIVATION_KEY
case "$ACTIVATION_KEY" in +([a-z]|[A-Z]|[0-9]|'-'))
echo -e "\033[1;32mPatern Matched\033[0m"
;;
*)
echo -e "\033[1;32mYou seem to have entered wrong characters in both the earlier instances. Pattern matching failed\033[0m"
;;
esac

The above script works fine when the interpreter is ksh, but outputs the following error when #!/bin/bash is used as shebang:

Code:
test.sh: line 5: syntax error near unexpected token `('
test.sh: line 5: `case "$ACTIVATION_KEY" in +([a-z]|[A-Z]|[0-9]|'-'))'

# 2  
Old 11-18-2009
In bash the extended glob is not enabled by default, add this line before the lines containing the extended syntax +():

Code:
shopt -s extglob

# 3  
Old 11-18-2009
Thanks got itSmilie
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