diff options
| -rwxr-xr-x | astro/21cm/tile_slice.py | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/astro/21cm/tile_slice.py b/astro/21cm/tile_slice.py index 091d599..4222461 100755 --- a/astro/21cm/tile_slice.py +++ b/astro/21cm/tile_slice.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (c) 2017 Weitian LI <weitian@aaronly.me> +# Copyright (c) 2017-2018 Weitian LI <wt@liwt.net> # MIT License # @@ -9,6 +9,7 @@ Tile the given slices to the required FoV size, scale down to the wanted size (for faster simulation later). """ +import os import sys import argparse @@ -55,6 +56,13 @@ def main(): help="central frequency [MHz] of the selected cube") args = parser.parse_args() + if os.path.exists(args.outfile): + if args.clobber: + os.remove(args.outfile) + else: + raise FileExistsError('output file already exists: %s' % + args.outfile) + if args.zc: zc = args.zc fc = z2freq(zc, print_=False) |