構文 |
|
join 連結に使う文字列, 連結対象 |
返り値 |
|
連結した文字列 |
説明
- 連結対象の各要素を連結に使う文字列で連結します。
使用例
#!/usr/bin/perl
use strict;
use warnings;
my @items = (1, 2, 4, 8, 16, 32);
my $str = join ',', @items;
print $str, "\n";
#!/usr/bin/perl
use strict;
use warnings;
my @items = (1, 22, 333, 4444, 55555);
my $str = join "\n", @items;
print $str, "\n";
#!/usr/bin/perl
use strict;
use warnings;
my @items = (1, '+', 333, '-', 55555);
my $str = join "", @items;
print $str, "\n";
#!/usr/bin/perl
use strict;
use warnings;
my $csv = '1,3,5,7,9,2,4,6,8';
my @items = split /,/, $csv;
foreach my $item (@items) {
print $item, "\n";
}