nfp is a tool that watches directories for new files and calls user-defined commands on them. Like automatically calling an upload script on a file exported from a graphics editor to a specified directory.
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Block user
Please note that blocking a user has other effects, such as:
You will stop following each other and will not be able to follow each other.
This user will not be able to interact with the repositories you own, or the issues and comments you have created.
You will not be able to add each other as repository collaborators.