filehandle

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fflush fails on Visual C++ 2010

I\'m trying to run some code but fflush() with the error: Invalid file descriptor. File possibly closed by a different thread[详细]

2023-02-25 09:46 分类：问答
How to make sure a file handle has been closed before next operation?

This is the code I have so far, I wonder if it\'s correct? $handle = fopen($file, \'w\') or die(\"can\'t open file\");[详细]

2023-02-25 02:28 分类：问答
File::Tail::Select what is the @pending behaviour

foreach my $subfile(glob \"*:*\") { print \"opening $subfile\\n\"; push(@files,File::Tail->new(name=>\"$subfile\",debug=>$debug));[详细]

2023-02-21 03:24 分类：问答
IO - documentation - question

both IO::Handle and IO::File are included in core package called IO. They are object interface for perl I/O subsystem. If you use IO::Handle/IO::File in any scri开发者_运维知识库pt, open will also re[详细]

2023-02-18 21:43 分类：问答
Python hash holding file handles

So I\'m working on a script that will automatically download certain files from IRC XDCC bots when run.These requests are asynchronous and there can be a varying number, depending on a config file so[详细]

2023-02-16 20:28 分类：问答
How do I merge specific columns from files in array or hash of multiple file handles, one line at a time?

I\'ll start by describing the files I am working with: ./groupA ./groupA/fileA.txt ./groupA/fileB.txt ./groupA/fileC.txt[详细]

2023-02-15 19:44 分类：问答
4-Argument-Select-Question

From SELECT_TUT: \"... is used to efficiently monitor multiple file descriptors, to see if any of them is, or becomes, \"ready\"; that is, to see whether I/O becomes possible, or an \"exceptional co[详细]

2023-02-12 04:37 分类：问答
File handles in Perl

Instead of the typical file handle I am used to: open INPUT, $input; while ($line = <INPUT>) { ....[详细]

2023-02-05 22:05 分类：问答
Perl: Append to file and get new line count

Quick question, and I\'m sure it\'s something I\'m doing completely wrong with variables, however, here is the issue.[详细]

2023-02-05 19:49 分类：问答
What is the difference between writing to STDOUT and a filehandle opened to "/dev/tty"?

What are the differences between this two examples? #!/usr/bin/perl use warnings; use 5.012; my $str = \"\\x{263a}\";开发者_JAVA技巧[详细]

2023-02-04 00:04 分类：问答