Apologies for the ambiguity in my question, you have correctly understood my requirement. My idea of having -d (default) was to have those three arguments mandatory.
Your sample code really serves my purpose, thanks a lot for your time and guidance!
Regards,
Veeresham
---------- Post updated at 03:48 PM ---------- Previous update was at 01:56 PM ----------
Hi Don,
Script works fine as long as i provide -b & -c and their arguments before the mandatory arguments.
Code:
createdb -b 20480 -c"UTF-8" MyDatabase 1 MyType
But if i execute the script this way:
Code:
createdb MyDatabase 1 MyType -b 20480 -c"UTF-8"
Its not taking the values specified with -b or -c. Instead its taking the default values defined in the script.
Script works fine as long as i provide -b & -c and their arguments before the mandatory arguments.
Code:
createdb -b 20480 -c"UTF-8" MyDatabase 1 MyType
But if i execute the script this way:
Code:
createdb MyDatabase 1 MyType -b 20480 -c"UTF-8"
Its not taking the values specified with -b or -c. Instead its taking the default values defined in the script.
Regards,
Veeresham
Yes. The standard Utility Syntax Guidelines say that options should come before operands on the command line. The getopts utility assumes that your command lines follow this guideline.
Instead of taking the default values, the script I gave you should have generated a diagnostic something like:
Code:
createdb: 3 operands are required, 6 found.
Usage: created [-b block_size] [-c character_set] sid version type
I know that some systems "reorder" arguments passed to some utilities to put what it believes are options before what it believes are operands. The standards don't allow this; options are required to be presented before operands except in a very few cases (like compilers) where options may need to vary for different operands. I don't see the need for the extra complexity for the script you have described in this thread.
You can code around this restriction, but it makes option and operand parsing MUCH more difficult. I won't offer to modify the script I suggested earlier to allow options to be mixed in with operands.
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