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Full Discussion: case structure in .sh file
Top Forums Shell Programming and Scripting case structure in .sh file Post 302457589 by milink on Tuesday 28th of September 2010 10:31:40 AM
Old 09-28-2010
case structure in .sh file

Hi,

Code:
while true
    do
        printf "$FBOLD\nPlease enter the minutes (0-59): $FREG"
        read MIN

        case "$MIN" in
                [0-9]|[0-5][0-9]|s) break 2;;
            *) 
        echo ""
     echo "Invalid minutes, please try again.";;
        esac
    
    done

In the above case structure, if the user doesnt give any value (simply press enter) then, it should also accept.

How it can be done ?

With Regards

Last edited by Scott; 10-04-2010 at 11:20 AM.. Reason: Code tags
 

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ECHO(1) 						    BSD General Commands Manual 						   ECHO(1)

NAME
echo -- write arguments to the standard output SYNOPSIS
echo [-n] [string ...] DESCRIPTION
The echo utility writes any specified operands, separated by single blank (' ') characters and followed by a newline (' ') character, to the standard output. The following option is available: -n Do not print the trailing newline character. This may also be achieved by appending 'c' to the end of the string, as is done by iBCS2 compatible systems. Note that this option as well as the effect of 'c' are implementation-defined in IEEE Std 1003.1-2001 (``POSIX.1'') as amended by Cor. 1-2002. Applications aiming for maximum portability are strongly encouraged to use printf(1) to sup- press the newline character. Some shells may provide a builtin echo command which is similar or identical to this utility. Most notably, the builtin echo in sh(1) does not accept the -n option. Consult the builtin(1) manual page. EXIT STATUS
The echo utility exits 0 on success, and >0 if an error occurs. SEE ALSO
builtin(1), csh(1), printf(1), sh(1) STANDARDS
The echo utility conforms to IEEE Std 1003.1-2001 (``POSIX.1'') as amended by Cor. 1-2002. BSD
April 12, 2003 BSD
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