Shell audio oscilloscope journey [how did you spend yourSaturday evening?]
in [Shell]
|
Prev: cheap wholesale:nike shoes,Nike air jordans,wholesale nike acheap wholesale air max,cheap nike shox,jeans,bags,wach,t-shirt in www.wholesaleshoescn.comcheap wholesale air max,cheap nike shox,jeans,bags,wach,t-shirt in www.wholesaleshoescn.comcheap wh
Next: awk
From: Laurianne Gardeux on 20 Apr 2008 15:00 Le Sun, 20 Apr 2008 00:06:22 +0200, BruXy a �crit�: > ... > There was an idea at the beginning. It should not be > a problem to made a simple audio oscilloscope in BASH! > ... > clear; hexdump -v -e '1/1 "%u\n"'</dev/dsp|(while read \ > s; do c=$(((c+1)%COLUMNS));s=$((s*LINES/255));echo -ne \ > "\e[${u[c]};${c}H \e[${s};${c}Hx" ; u[c]=$s ; done ) > ... > I cannot leave this challenge unheard! And there is a fully > graphical version: > > while true; do echo -e "P5\n256 512\n255" > o.pgm;i=0; dd \ > if=/dev/dsp bs=1024 count=1 | hexdump -v -e '1/2 "%u\n"' |\ > (while read s;do s=$((s>>8));if [ $i -ge 512 ];then exit;fi; > printf "%*c" $s z;s=$((256-s));printf "%*c" $s A;i=$((i+1)); > done)>>o.pgm;(display -rotate 90 o.pgm &);sleep 1; killall \ > display; done #(c) 2008 BruXy # Cool, thanks a lot! Now y can watch my music. > And how did you spend your Saturday evening? :-) this way: ---------------------------------------------------------- #!/bin/bash # show numbers of blocks, bytes, directories and files in a directory # (c) 2006, 2008 by Laurianne Gardeux, GPL # usage: $0 path # bugs: filenames ending with ":" are ignored, ... if [ $# = 0 ]; then echo "$(basename $0): enter path!" exit fi mkdir -p $HOME/tmp TMPFILE=$HOME/tmp/ordnergewicht ls -lRAsp $1 | grep -v ^$ | grep -v \:$ > $TMPFILE awk ' \ { sum1 += $1 } \ { sum2 += $6 } \ END { print sum1, "blocks", "\n" sum2, "bytes" } \ ' < $TMPFILE echo "$(grep \/$ $TMPFILE | wc -l) directories $(grep -v \/$ $TMPFILE | grep -v ^'total ' | wc -l) files" rm $TMPFILE exit --------------------------------------------------------- bash on GNU-Linux |