Utils: add script to generate volume-3 songs list

utils/header-volume-3

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+{
+"template" : "patacrep.tmpl",
+"bookoptions" : [
+    "diagram",
+    "lilypond",
+    "pictures"
+  ],
+"booktype" : "chorded",
+"picture" : "Mousey_Band_by_Duffzilla",
+"picturecopyright" : "duffzilla @ deviantart.com",
+"subtitle" : "Tome 3",
+"songs" : [

utils/volume-3.sh

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+#!/bin/sh
+#Author: Romain Goffe
+#Date: 07/05/2011
+#Description: Generate an sb file containing all the songs that are not 
+# already in volume-1 and volume-2
+
+#all songs
+cd songs
+ls -1 */*.sg > ../res1
+cd ..
+
+#get volume 1 list
+tail -n +12 volume-1.sb > tmp1
+head -n -2 tmp1 > list1
+sed -i -e "s/\",//g" -e "s/    \"//g" -e "s/\"//g" list1
+
+#remove volume 1 songs
+grep -vf list1 res1 > res2 
+
+#get volume 2 list
+tail -n +13 volume-2.sb > tmp2
+head -n -2 tmp2 > list2
+sed -i -e "s/\",//g" -e "s/    \"//g" -e "s/\"//g" list2
+
+#remove volume 2 songs
+grep -vf list2 res2 > res3 
+
+#format song list
+sed -i -e "s/^/    \"/g" -e "s/$/\",/g" res3
+head -c -2 res3 > res
+
+
+#make volume 3 sb file
+cat utils/header-volume-3 > volume-3.sb
+cat res >> volume-3.sb
+echo "]" >> volume-3.sb
+echo "}" >> volume-3.sb
+
+#remove tmp files
+rm -f res res1 res2 res3 list1 list2 tmp1 tmp2