diff options
| -rwxr-xr-x | astro/ps2d.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/astro/ps2d.py b/astro/ps2d.py index c8a4620..718b59a 100755 --- a/astro/ps2d.py +++ b/astro/ps2d.py @@ -533,6 +533,9 @@ def main(): help="output 2D power spectrum FITS file") args = parser.parse_args() + if (not args.clobber) and os.path.exists(args.outfile): + raise OSError("outfile '%s' already exists" % args.outfile) + with fits.open(args.infile[0]) as f: cube = f[0].data header = f[0].header |