subroutine

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Global Variable, subroutine variable Question in Perl

How can I transfer the subroutine variable value into another subroutine variable, Can I use global variable.[详细]

2023-01-02 00:29 分类：问答
File::Find and $_ in nested subroutines

When running the following code, the filenames of all files below C:\\Test are printed. Why doesn\'t it print just Hello (n times, depending on how many files are processed)?[详细]

2023-01-01 17:16 分类：问答
How can I modify a scalar reference passed to a subroutine reference?

I have a function to convert documents into different formats, which then calls another function based on the type document. It\'s pretty straight forward for everything aside from HTML documents whic[详细]

2022-12-31 15:16 分类：问答
Stopping other subs from running while in a Sub

Is there a way to stop other subs from running while in a separate sub. for instance say your in the sub[详细]

2022-12-31 12:52 分类：问答
Can a Perl subroutine return data but keep processing?

Is there any way to have a subroutine send data back while still processing? For instance (this example used simply to illustrate) - a subroutine r开发者_运维技巧eads a file. While it is reading throu[详细]

2022-12-28 21:02 分类：问答
Do I always have to provide Tkx's -command argument an anonymous subroutine?

I find it a bit weird that I have to wrap defined subroutines anonymously when specifying the -command argument for Tkx widgets.[详细]

2022-12-26 05:39 分类：问答
Is there a Perl idiom which is the functional equivalent of calling a subroutine from within the substitution operator?

Perl allows ... $a = \"fee\"; $result = 1 + f($a) ; # invokes f with the argument $a but disallows, or rather doesn\'t do what I want ...[详细]

2022-12-25 21:12 分类：问答
What does the function declaration "sub function($$)" mean?

I have been using Perl for some time, but today I开发者_开发技巧 came across this code: sub function1($$)[详细]

2022-12-24 15:53 分类：问答
Fortran arrays and subroutines (sub arrays)

I\'m going through a Fortran code, and one bit has me a little puzzled. There is a subroutine, say SUBROUTINE SSUB(X,...)[详细]

2022-12-23 14:54 分类：问答
How can I pass a constant to a Perl subroutine?

I have got as follows: use constant ABC =&g开发者_开发知识库t; (\'one\', \'two\', \'three\');[详细]

2022-12-23 13:02 分类：问答