[daip] unable to reassign FITS environment variable

[Eric Greisen]

Gustaaf Van Moorsel wrote:
> A user reported FITLD was unable to find her input file as specified
> in DATAIN.  Though before starting AIPS she had reassigned the environ-
> ment variable FITS to point at the directory her data were in, both
> DATAIN='FILE' and DATAIN='FITS:FILE' failed to locate her file.
> 
> I was able to reproduce this behavior here.  I also found that FITLD
> continued to find files in the area the enviroment variable FITS used
> to point to, in my case /DATA/OXUS_1/FITS.  So I suggested that the
> user either put her files in her standard FITS area, or define a diff-
> erent enviroment variable altogether to point at the location of her
> files.  This was successful.
> 
> I am pretty sure it used to be possible to reassign the FITS environ-
> ment variable prior to starting AIPS, but it seems currently AIPS, on
> startup, reassigns FITS to the standard area.  I don't know if this
> is by design, so I am reporting this just in case it is not.
It is by design.  Users should invent their own names as in every 
example we give.

Eric Greisen