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-rw-r--r--gr-utils/python/utils/gr_read_file_metadata20
1 files changed, 8 insertions, 12 deletions
diff --git a/gr-utils/python/utils/gr_read_file_metadata b/gr-utils/python/utils/gr_read_file_metadata
index 429b38310f..a05e7ad2c7 100644
--- a/gr-utils/python/utils/gr_read_file_metadata
+++ b/gr-utils/python/utils/gr_read_file_metadata
@@ -21,7 +21,7 @@
#
import sys
-from optparse import OptionParser
+from argparse import ArgumentParser
import pmt
from gnuradio.blocks import parse_file_metadata
@@ -69,19 +69,15 @@ def main(filename, detached=False):
handle.seek(nread, 0)
print "\n\n"
+
if __name__ == "__main__":
- usage="%prog: [options] filename"
description = "Read in a GNU Radio file with meta data, extracts the header and prints it."
- parser = OptionParser(conflict_handler="resolve",
- usage=usage, description=description)
- parser.add_option("-D", "--detached", action="store_true", default=False,
+ parser = ArgumentParser(conflict_handler="resolve", description=description)
+ parser.add_argument("-D", "--detached", action="store_true",
help="Used if header is detached.")
- (options, args) = parser.parse_args ()
-
- if(len(args) < 1):
- sys.stderr.write("No filename given\n")
- sys.exit(1)
+ parser.add_argument("file", metavar="FILE",
+ help="Input file");
+ args = parser.parse_args()
- filename = args[0]
- main(filename, options.detached)
+ main(args.file, args.detached)