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perl,open函数的问题
发表于 : 2016-09-03 22:23
由 tandkzy
代码: 全选
open DATAFILE, "+<&=$fd" or die "Can't safely open file: $!\n";
就想问一下
这一部分是什么意思
Re: perl,open函数的问题
发表于 : 2016-09-17 12:36
由 ghoul
Entities Definition < or r Read Only Access
> or w Creates, Writes, and Truncates
>> or a Writes, Appends, and Creates
+< or r+ Reads and Writes
+> or w+ Reads, Writes, Creates, and Truncates
+>> or a+ Reads, Writes, Appends, and Creates