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- Synopsis:
- $which(<file> [<dir>[:<dir> ...]])
-
- Technical:
- This function returns the full pathname of the specified filename. The
- function will search the client's current LOAD_PATH for the file. In
- addition, a list of colon-delimited directories may be specified, which
- will be searched if the file is not found in the LOAD_PATH.
-
- Practical:
- This function tries to find the location of a particular file. This
- makes it suitable for LOAD and STUB commands, allowing a file to be
- loaded, even if its exact location is not known.
-
- Returns:
- the canonical path of the file, or nothing if it isn't found
-
- Examples:
- $which(some_file) shows full path of file
- $which(does_not_exist) returns nothing, file dies not exist
- $which(some_file /bin) search in /bin for some_file too
-
- See Also:
- load(5); set(4) load_path; stub(5); which(4)
-
-