?? fig18_08.pl
字號:
#!/usr/bin/perl
# Fig. 18.8: fig18_08.pl
# Demonstrates using backticks.
use warnings;
use strict;
my $date;
my $version;
if ( $^O =~ /Win/ ) {
$version = ( `ver` );
$date = ( `date /t` );
}
else {
$version = ( `uname -r -s` );
$date = ( `date` );
}
print( "The Operating system version is $version");
print( "\n", $date );
###########################################################################
# (C) Copyright 2001 by Deitel & Associates, Inc. and Prentice Hall. #
# All Rights Reserved. #
# #
# DISCLAIMER: The authors and publisher of this book have used their #
# best efforts in preparing the book. These efforts include the #
# development, research, and testing of the theories and programs #
# to determine their effectiveness. The authors and publisher make #
# no warranty of any kind, expressed or implied, with regard to these #
# programs or to the documentation contained in these books. The authors #
# and publisher shall not be liable in any event for incidental or #
# consequential damages in connection with, or arising out of, the #
# furnishing, performance, or use of these programs. #
###########################################################################
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