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- How to get size of array in bytes in perl? 1 answer
如何在perl中以字节为单位获取数组的大小? 1个答案
I Have stored a decoded json in an array. I need to know the array size in bytes, so that I can parse it. Please suggest me a way to know the size of an array in perl.
我已将解码的json存储在数组中。我需要知道数组的大小,以字节为单位,以便我可以解析它。请建议我一种方法来了解perl中数组的大小。
Note: It is not the number of elements in array. I want size in bytes or mb
注意:它不是数组中的元素数。我想要以字节或MB为单位的大小
1 个解决方案
#1
2
From this example
从这个例子
use strict;
use warnings;
use Devel::Size qw(total_size);
my @arr = (1, 2, 3, "Foo", "Bar", "Baz", [4, 5, 6], {xyz => 2048});
print "Size: ", total_size(\@arr), " bytes.\n";
You would therefore need Devel::Size
因此,你需要Devel :: Size
If you are unsure on how to install modules from CPAN, go to this link
如果您不确定如何从CPAN安装模块,请转到此链接
#1
2
From this example
从这个例子
use strict;
use warnings;
use Devel::Size qw(total_size);
my @arr = (1, 2, 3, "Foo", "Bar", "Baz", [4, 5, 6], {xyz => 2048});
print "Size: ", total_size(\@arr), " bytes.\n";
You would therefore need Devel::Size
因此,你需要Devel :: Size
If you are unsure on how to install modules from CPAN, go to this link
如果您不确定如何从CPAN安装模块,请转到此链接