Perl 编程/关键字/join

该join关键字

join将LIST中的元素与来自EXPRESSION的分隔符连接起来。返回新字符串。

语法

  join EXPRESSION, LIST

示例

print

  $login = "anton";
  $passwd = "j4\/D\\S";
  $uid = 1721169842;
  $gid = 8421691721;
  $gcos = "nothing";
  $home = "\\";
  $shell = "ksh";

  $rec = join(':', $login, $passwd, $uid, $gid, $gcos, $home, $shell);

  print $rec

返回列表中以冒号分隔的字符串元素

anton:j4/D\S:1721169842:8421691721:nothing:\:ksh

参见

• split