Add an older tool I wrote ages ago.

README

@@ -11,3 +11,4 @@ msc - short script to auto-resize mandoc output
 modem-manager - used to manage laptop PCIe WAN modems. rather dense
 netsh - an old experiment that serves as a simple TUI for managing network interfaces... and an example of how not to use AWK
 plumber - one of my more sophisticated scripts; plumber creates pipes between programs based on what sort of input it receives, and handles errors (somewhat) intelligently
+bach - the Batch Audio Conversion Helper uses FFMPEG to convert large numbers of files at once

bach

@@ -0,0 +1,23 @@
+#!/bin/sh -e
+
+if [ $# -le 1 ]
+  then
+    printf "This script will take two variables and convert all audio files of the first format to the second, using ffmpeg. \n"
+elif [ $# -ge 3 ]
+  then
+    printf "You've entered too many variables. We only need two... did you not check the help? \n"
+ else
+    i=`ls | grep $1 | wc -l`
+    p=1
+
+    mkdir $2
+
+    while [ $p -le $i ]
+      do
+          x=`ls | sed "$p!d"`
+          y=`printf "$x" | sed "s/$1/$2/"`
+          yes | ffmpeg -i "$x" "$y"
+          mv "$y" $2/
+        p=$(( $p + 1 ))
+      done
+fi