Please send questions to
st10@humboldt.edu .
#!/usr/bin/perl -w
#######################################################
# lect02_foreach1
#
# playing with foreach - part 1
#
# modified by Sharon Tuttle from "Learning Perl",
# by Schartz and Phoenix
#
# last modified: 8-31-04
#######################################################
print "give beginning of range: ";
chomp($left_val = <STDIN>);
print "give ending of range: ";
chomp($right_val = <STDIN>);
# swap range ends if user got 'em backwards!
if ($left_val > $right_val)
{
($right_val, $left_val) = ($left_val, $right_val);
}
@myArr = ($left_val..$right_val);
# print each value in @myArr on its own line
print "\@myArr contains:\n";
foreach $val ( @myArr )
{
print "$val\n";
}
# print each value in a literal list on its own line
print "\nSome names: \n";
foreach $val ( qw/ George Harold Jerome /)
{
print "$val\n";
}
# use UNIX command ls to generate the files in the
# current working directory --- and print THEM
# one per line
print "\nMan! Look at all this junk:\n";
foreach $file ( `ls` )
{
print "$file"; # guess what? ls returns LINES of results...
}
# end of lect02_foreach1