../Getopt/Std.pm
getopt - Process single-character switches with switch clustering
getopts - Process single-character switches with switch clustering
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use Getopt::Std;
getopt('oDI'); # -o, -D & -I take arg. Sets opt_* as a side effect.
getopts('oif:'); # -o & -i are boolean flags, -f takes an argument
# Sets opt_* as a side effect.
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The getopt() functions processes single-character switches with switch
clustering. Pass one argument which is a string containing all switches
that take an argument. For each switch found, sets $opt_x (where x is the
switch name) to the value of the argument, or 1 if no argument. Switches
which take an argument don't care whether there is a space between the
switch and the argument.