perl for and foreach explained with example

最新推荐文章于 2025-01-10 23:18:05 发布

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#perl for foreach

本文通过具体示例展示了Perl中for和foreach循环的使用方法及两者之间的等价性，并且介绍了计数型迭代的应用。

# file:
#   for_foreach.pl
# description:
#   this is the file to test semantic of the for and foreach construct
#
# conclusion:
# 	for is a synonym of foreach
# 	for also support the count type of iteration
#
use strict;

for (101 .. 200) { print; }
foreach (101 .. 200) { print; }
for (my $i = 0; $i < 100; ++$i) { 
	print $i;
}