FILENAME

Name

Filename

Purpose

File names with system independent symbolic directories.

Calling Sequence

f = filename(symdir, name)

Inputs

symdir = symbolic directory name. in
name = file name. in

Keyword Parameters

Keywords

/NOSYM means directory given is not a symbolic name.
OPSYS=os specifiy operating system to over-ride
actual. Use VMS, WINDOWS, or MACOS. UNIX is default.
DELIM=c delimiter character between directory and
file name. This is returned.

Outputs

f = file name including directory. out

Common Blocks

Notes

Notes: symdir is a logical name for VMS and
an environmental variable for UNIX and WINDOWS. Ex:
DEFINE IDL_IDLUSR d0:[publib.idl] for VMS
set IDL_IDLUSR=c:\IDL\LIB\IDLUSR for WINDOWS.
setenv IDL_IDLUSR /usr/pub/idl for UNIX.
Then in IDL: f=filename('IDL_IDLUSR','tmp.tmp')
will be the name of the file tmp.tmp in IDL_IDLUSR.

Modification History

R. Sterner, 4 Feb, 1991
R. Sterner, 27 Mar, 1991 --- added /NOSYM
R. Sterner, 21 May, 1991 --- If not a listed opsys assume unix.
R. Sterner, 4 Jun, 1991 --- added DOS.
R. Sterner, 2 Jul, 1991 --- added DELIM.
R. Sterner, 17 Jan, 1992 --- added OPSYS= and avoided double //
R. Sterner, 1994 Feb 7 --- Added MacOS.
R. Sterner, 1994 Feb 14 --- Changed DOS to windows.
R. Sterner, 1998 Jan 16 --- Changed from !version.os to os_family.
Copyright (C) 1991, Johns Hopkins University/Applied Physics Laboratory
This software may be used, copied, or redistributed as long as it is not
sold and this copyright notice is reproduced on each copy made. This
routine is provided as is without any express or implied warranties
whatsoever. Other limitations apply as described in the file disclaimer.txt.