osfn: Return the host system equivalent of an IRAF filename

Package: language

Usage

string = osfn (vfn)

Parameters

vfn

The IRAF virtual filename to be translated into a host filename.

Description

Osfn is a string valued intrinsic function which takes an IRAF virtual filename as input and returns the equivalent host system filename as output. Osfn can only be called as a function.

Examples

1. Print the host equivalent of the vfn "hlib$login.cl".

cl> = osfn ("hlib$login.cl")

2. Compute a host filename for use as an argument to a foreign task (see help task for more information on foreign tasks).

cl> task $vdir = "$directory"   # VMS directory lister
cl> vdir /size osfn("bin$")

See also

pathnames, task