Vim treats filenames in our document as a kind of hyperlink. When configured properly, we can use the gf command to go to the filename under the cursor.

gf

go to file

:set suffixesadd+=.ext

suffixesadd option allows us to specify one or more file extensions, which Vim will attempt to use when looking up a filename with the gf command.

Specify the Directories to Look Inside We can configure 'path' option to reference a comma-separated list of directories. When we use gf command, Vim checks each of the directories listed in 'path' to see if it contains a filename that matches the text under the cursor.

. stands for the directory of the current file. empty string(delimited by two adjacent commas) stands for the working directory.

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