Using the example code below, I find that I can
use getopt handily to pass all sorts of
variables to my script, as long as a
value passed is not a 0 (zero)
How to I use getopt::long and be able to
pass the number zero as a value?
Code, and behavior follows
Thanks! Mike D
.....................
MYTEST
#!/usr/local/bin/perl
use Getopt::Long;
GetOptions("o"=>\$oflag,
"string=s"=>\$stringmandatory,
"int=i"=> \$mandatoryinteger,
print "oflag $oflag\n" if $oflag;
print "stringmandatory $stringmandatory\n" if
$stringmandatory;
print "mandatoryinteger $mandatoryinteger\n" if
$mandatoryinteger;
print "Unprocessed by Getopt::Long\n" if $ARGV[0];
foreach (@ARGV) {
print "$_\n";
}
................................
# ./MYTEST -stringmandatory=1
Unknown option: stringmandatory
# ./MYTEST --stringmandatory=1
Unknown option: stringmandatory
# ./MYTEST --string
Option string requires an argument
# ./MYTEST --string
Option string requires an argument
# ./MYTEST --string=abc
stringmandatory abc
# ./MYTEST --string=1
stringmandatory 1
# ./MYTEST --string=0
# ./MYTEST --int=0
# ./MYTEST --int=1
mandatoryinteger 1
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