Perl 字符串标量

以下示例演示了各种类型的字符串标量的用法。注意单引号字符串和双引号字符串之间的差异 −

示例

 在线演示

#!/usr/bin/perl
$var = "This is string scalar!";
$quote = 'I m inside single quote - $var';
$double = "This is inside single quote - $var";
$escape = "This example of escape -\tHello, World!";

print "var = $var\n";
print "quote = $quote\n";
print "double = $double\n";
print "escape = $escape\n";

输出

这将产生以下结果 −

var = This is string scalar!
quote = I m inside single quote - $var
double = This is inside single quote - This is string scalar!
escape = This example of escape -       Hello, World

Mohd Mohtashim

更新于： 2019 年 11 月 28 日

231 次浏览

开启你的 职业生涯

完成课程后获得认证

开始