User:Amy Suo Wu/assignment

<source lang="bash">

cat << end

@head {

   $tempo 120   
   $time_sig 4/4

} @body {

   @channel 1 {
       \$patch 17
       \$length 25        
       \$octave 3
       \$pan 0

end

for ((i=0; i<13; i++)) do echo c c c r c c r c r c c r echo c c c r c c r c r c c r echo c c c r c c r c r c c r echo c c c r c c r c r c c r done

cat << end

   }

@channel 2 {
       \$patch 17
       \$length 25
       \$octave 3
       \$pan 127

     

end pat="c c c r c c r c r c c r " pat=$pat$pat$pat$pat

1. inplace assignment

for ((i=0; i<13; i++)) do echo $pat pat=${pat:2:0}${pat:0:2}

1. shift the pattern
2. ${name:offset:length}

done

cat << end

} }

end

1. bash clap.sh | midge -o clap.mid; timidity clap.mid (straight from bash to timidity without going through all the steps)