fig02_14.pl

来自「PERL语言资料 可以用于PERL程序设计」· PL 代码 · 共 33 行

#!/usr/bin/perl
# Fig. 2.14: fig02_14.pl
# Demonstrates the difference between pre- and postincrement

$c = 5;
$d = 5;

print $c,   " ";         # print 5
print $c++, " ";         # print 5 then postincrement
print $c,   "\n";        # print 6

print $d,   " ";         # print 5
print ++$d, " ";         # preincrement then print 6
print $d,   "\n";        # print 6



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