my %opt;
while (@ARGV && $ARGV[0] =~ /^([\w_]+)=(.*)$/)
{
$opt{$1}=$2;
shift(@ARGV);
}
if ($] =~ /\.(\d\d\d)?(\d\d)?$/) { # should always be true
$opt{PATCHLEVEL} = int($1 || 0);
$opt{SUBVERSION} = $2 || '00';
}
$opt{'cf_by'} = $ENV{USERNAME} unless $opt{'cf_by'};
$opt{'cf_email'} = $opt{'cf_by'} . '@' . (gethostbyname('localhost'))[0]
unless $opt{'cf_email'};
while (<>)
{
s/~([\w_]+)~/$opt{$1}/g;
$_ = "$1='$opt{$1}'\n" if (/^([\w_]+)=/ && exists($opt{$1}));
print;
}