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run-mailcap:tldr:2a18a
The run-mailcap
command is used to open files based on their MIME type (Multipurpose Internet Mail Extensions). It is often used in the context of email clients or terminal-based applications to handle attachments or file associations.
The command syntax you provided is as follows:
run-mailcap --action=ACTION --debug ${filename}
Here is a breakdown of the components of this command:
-
run-mailcap
: This is the command itself, which is responsible for executing the mailcap file associated with the given file or MIME type. -
--action=ACTION
: This option is used to specify the action to be performed on the file. The actual value ofACTION
would depend on the available actions defined in the mailcap configuration file. For example, it could be "view" to open the file with a viewer, "edit" to open with an editor, or "print" to print the file. -
--debug
: This option enables debugging mode, which provides detailed information about the processing and execution of the mailcap file. -
${filename}
: This is a placeholder for the actual filename or path of the file you want to open or act upon. It should be replaced with the appropriate file name or path when using the command.
In practice, this command is used to automatically determine the appropriate program to open a file based on its MIME type and the corresponding action specified in the mailcap configuration. The debug option allows you to trace the execution of the mailcap file and understand how the file association is resolved.