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-rw-r--r--spectrogram.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/spectrogram.c b/spectrogram.c
index af58911..ca8b049 100644
--- a/spectrogram.c
+++ b/spectrogram.c
@@ -425,6 +425,7 @@ main(int argc, char **argv)
unsigned long black, white;
float factor = 0.75;
int round = 1024; /* FFT is fastest with powers of two */
+
while ((ch = getopt(argc, argv, "dfpr:h")) != -1)
switch (ch) {
case 'd':