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which
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2001-03-21
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917b
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26 lines
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)