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nanonote-files: add wav2png simple script file

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This commit is contained in:
Xiangfu Liu 2012-03-06 18:28:58 +08:00
parent 4c4746551a
commit f0ff76ceb2
1 changed files with 14 additions and 0 deletions
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14
nanonote-files/script-files/usr/bin/wav2png Executable file
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#!/bin/sh
#usage: wav2png.sh file.wav
BASE=${1%.wav}
PNG=$BASE.png
WAV=$BASE.wav
DAT=$BASE.dat
#echo $BASE,$PNG,$WAV,$DAT
sox $WAV $DAT
grep -v '^;' $DAT >$DAT.clean
FREQ=`head -1 $DAT|tr -d ';'`
echo -e "set terminal png;set title '$FREQ';set output '$PNG'; plot '$DAT.clean'" | gnuplot