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How to batch process files in Linux via PHP script

PHPz

Oct 05, 2023 pm 12:03 PM

php linux File processing

How to batch process files in Linux via PHP script

How to batch process files in Linux through PHP script

Overview:
In the Linux environment, batch processing of files is a common requirement. This task can be accomplished quickly and efficiently using PHP scripts. This article will introduce how to batch process files in Linux through PHP scripts and provide relevant code examples.

Steps:

Make sure PHP is installed:
To use PHP scripts to process files in Linux, you first need to make sure PHP is installed in the system. You can check the PHP version information by typing php -v on the command line.
Create a PHP script:
To create a new PHP script file in Linux, you can use the following command:
```
$ touch file_processing.php
```
Edit the script file:
Use a text editor (such as nano, vim, etc.) to open the script file you just created and add the following basic code structure:
```
<?php
// 在这里编写代码逻辑
?>
```
Set the folder path:
In Before you start writing specific logic, you need to set the folder path to be processed. You can use the getcwd() function to get the absolute path of the current working directory, or manually specify a path. The following example is to manually specify the path:
```
$directory = '/var/www/html/files'; // 文件夹路径
```
Processing files in the folder:
Use the glob() function to get the list of files in the specified folder, and process each file in turn through a loop. The following code will show how to traverse all files in a folder:
```
$files = glob($directory . '/*'); // 获取文件列表

foreach($files as $file) {
 // 在这里处理每个文件
}
```
Write file processing logic:
Write the logic for processing files according to specific needs. The following are some common file processing operations:

Get the file name and extension: Use the basename() and pathinfo() functions to get the file name and extension :

$filename = basename($file); // 获取文件名
$extension = pathinfo($filename, PATHINFO_EXTENSION); // 获取扩展名

Read file contents: Use file_get_contents() function to read file contents:
```
$content = file_get_contents($file); // 读取文件内容
```

Write file contents: use file_put_contents()Function to write contents to file:

$new_content = 'Hello World!';
file_put_contents($file, $new_content); // 将内容写入文件

Delete file: useunlink()Function to delete files:
```
unlink($file); // 删除文件
```

Comprehensive example:
The following is a comprehensive example that will demonstrate how to batch process the text content in the file and replace the specified words with the specified String:

<?php
$directory = '/var/www/html/files'; // 文件夹路径
$search_word = 'apple'; // 要替换的单词
$replace_word = 'orange'; // 替换为的字符串

$files = glob($directory . '/*'); // 获取文件列表

foreach($files as $file) {
    $content = file_get_contents($file); // 读取文件内容
    $new_content = str_replace($search_word, $replace_word, $content); // 替换字符串
    file_put_contents($file, $new_content); // 将替换后的内容写入文件
}
?>

Summary:
Batch processing files in Linux through PHP scripts can help us complete various file operation tasks efficiently. This article describes how to set the folder path, traverse the files in the folder, and specific file processing operations, and provides code examples. Using these methods and examples, you can perform corresponding file processing operations according to your own needs.

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