From 38ed64db3793bad6c5599333a90e52af07a660ea Mon Sep 17 00:00:00 2001
From: Alexandre Dupas <alexandre.dupas@gmail.com>
Date: Sun, 28 Nov 2010 21:35:17 +0100
Subject: [PATCH] Improve langbook script running time and change to
 non-interactive mode

---
 utils/{header-en => header-english} |  0
 utils/{header-fr => header-french}  |  0
 utils/langbooks.sh                  | 48 ++++++++++-------------------
 3 files changed, 16 insertions(+), 32 deletions(-)
 rename utils/{header-en => header-english} (100%)
 rename utils/{header-fr => header-french} (100%)

diff --git a/utils/header-en b/utils/header-english
similarity index 100%
rename from utils/header-en
rename to utils/header-english
diff --git a/utils/header-fr b/utils/header-french
similarity index 100%
rename from utils/header-fr
rename to utils/header-french
diff --git a/utils/langbooks.sh b/utils/langbooks.sh
index 6aaf9bfa..8bbafe60 100755
--- a/utils/langbooks.sh
+++ b/utils/langbooks.sh
@@ -4,35 +4,19 @@
 #Date: 14/11/2010
 #Description: Generate an sb file containing all the songs in a given language
 
-echo "Build songbook file for songs in english (1), french (2)"
-read answer
-case "$answer" in
-    1)
-        cat ./utils/header-en > english.sb
-	for song in songs/*/*.sg; 
-	do
-	    if grep -q "selectlanguage{english}" $song
-	    then
-		echo "\t\""`ls $song | sed "s/songs\\///g"`"\"," >> english.sb
-	    fi
-	done
-        #remove last coma before bracket
-	truncate --size=-2 english.sb
-	#close json values for key "songs"
-	echo "]\n}" >> english.sb
-      ;;
-    2)
-	cat ./utils/header-fr > french.sb
-	for song in songs/*/*.sg; 
-	do
-	    if grep -q "selectlanguage{french}" $song
-	    then
-		echo "\t\""`ls $song | sed "s/songs\\///g"`"\"," >> french.sb
-	    fi
-	done
-	#remove last coma before bracket
-	truncate --size=-2 french.sb
-	#close json values for key "songs"
-	echo "]\n}" >> french.sb
-	;;
-esac
+if [ $# -ne 1 ];
+then
+    echo "Usage: $0 LANG"
+    exit 1
+fi;
+
+LANG=$1
+
+if [ $LANG="english" -o $LANG="french" ];
+then
+    cp "./utils/header-$LANG" "$LANG.sb"
+    grep "selectlanguage{$LANG}" songs/*/*.sg | sed 's|songs/\(.*\):.*|    \"\1\",|; $ s|,$|\n  ]\n}\n|' >> "$LANG.sb"
+else
+    echo "Error: $LANG is not a supported language"
+    exit 2
+fi;