From 82c81858c65c80fb667e73ffdcc4ff69007cfa17 Mon Sep 17 00:00:00 2001
From: Vasile Vilvoiu
If +"-" is provided then the resulting image is +written to stdout in PNG format.
+Either outfile must be specified, −l, −−live must be set, or both.
@@ -151,7 +155,8 @@ provided, INFILE is handled as a raw dump of values stop when EOF is encountered.If option is -not provided, data will be read indefinitely from stdin.
+not provided or "-" is provided, data will +be read indefinitely from stdin.−r, −−rate=RATE
@@ -536,6 +541,14 @@ in a document:specgram -qe --bg-color=00000000 -i infile outfile.png
+Generating from +a file to stdout and displaying the output with +imagemagick:
+ + +specgram +-i infile - | display
+