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Diffstat (limited to 'grc/blocks/gr_wavfile_sink.xml')
-rw-r--r--grc/blocks/gr_wavfile_sink.xml1
1 files changed, 1 insertions, 0 deletions
diff --git a/grc/blocks/gr_wavfile_sink.xml b/grc/blocks/gr_wavfile_sink.xml
index f2c8a009f..651e16cb6 100644
--- a/grc/blocks/gr_wavfile_sink.xml
+++ b/grc/blocks/gr_wavfile_sink.xml
@@ -9,6 +9,7 @@
<key>gr_wavfile_sink</key>
<import>from gnuradio import gr</import>
<make>gr.wavfile_sink($file, $nchan, $samp_rate, $bits_per_sample)</make>
+ <callback>open($file)</callback>
<param>
<name>File</name>
<key>file</key>