Perl ABC

1. Perl
›
2. File operations

File/directory operation

We have summarized how to create/delete/copy files/directories.

Basic knowledge of file names

• Absolute and relative paths
• Representation of the hierarchy above the directory ..

Handling of file names

• Extract the directory name and base name from the file name
• Extract the extension from the file name
• Convert the file name to the file name in the OS of the execution environment

File operation

• Create a file
• Delete the file
• Copy the file
• Move files

Directory operation

• Create a directory
• Delete the directory
• Rename the directory
• Change the current directory
• Get the current directory name
• Get the list of files in the current directory

Recursive directory manipulation

• Create a multi-level directory
• Delete directories with hierarchy at once
• Recursively process all files

Permissions

Explains file permissions on Unix/Linux.

• Understand permissions

Script information

• Get the script name $0
• Get the directory name of the execution script - FindBin
• Get the package name
• Get the line number on the script
• Get the script file name