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mat2:tldr:967b2
The command "mat2 --lightweight ${filename}" is executing the mat2 tool with the argument "--lightweight" and the value ${filename}. Here's what each part means:
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"mat2": mat2 is a command-line tool used for metadata anonymization and removal. It is mainly used to clean metadata from different types of files to preserve privacy and protect sensitive information.
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"--lightweight": "--lightweight" is an option or flag that you can pass to mat2. In this case, it is instructing mat2 to perform a quick and lightweight metadata removal process. This might skip some deeper analysis and processing steps, resulting in faster execution but potentially less thorough removal of metadata.
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${filename}: ${filename} is a placeholder that should be replaced with the actual filename you want to process with mat2. It represents the variable for the filename, allowing you to apply the mat2 command to different files by replacing ${filename} with the relevant file's name.
Overall, this command executes mat2 with the specified options and processes the file indicated by ${filename} for lightweight metadata removal. The end result should be a file with reduced or removed metadata.