From 5801aeefe16431e8a39d651b8c4810f3b8b3dd87 Mon Sep 17 00:00:00 2001
From: Arun Persaud <arun@nubati.net>
Date: Sat, 7 May 2011 18:40:23 -0700
Subject: [PATCH] lng2po.sh: added command line options, GPL header

also use a temporary file generated with mktemp instead of a hard coded one
---
 po/lng2po.sh  |  102 +++++++++++++++++++++++++++++++++++++++++++++++++++++----
 po/metascript |    2 +-
 2 files changed, 96 insertions(+), 8 deletions(-)

diff --git a/po/lng2po.sh b/po/lng2po.sh
index efeda02..aa73656 100755
--- a/po/lng2po.sh
+++ b/po/lng2po.sh
@@ -1,8 +1,96 @@
-cp winboard/$1 language.lng
-recode latin-1 language.lng
-ed language.lng < metascript
-rm language.lng
-cp xboard.pot language.po
-ed language.po < script
-rm script
+#!/bin/bash
+#  lng2po.sh -- translating .lng files to .po files for XBoard/Winboard,
+#               part of XBoard GNU project
+#
+#  Copyright 2011 Free Software Foundation, Inc.
+#  ------------------------------------------------------------------------
+#
+#  GNU XBoard is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or (at
+#  your option) any later version.
+#
+#  GNU XBoard is distributed in the hope that it will be useful, but
+#  WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program. If not, see http://www.gnu.org/licenses/.  *
+#
+# ------------------------------------------------------------------------
+
+
+INFO="lng2po.sh (translating .lng files to .po files for XBoard/Winboard)"
+USAGE="Usage: `basename $0` [-hv] [-o outputfile] [-e encoding] <input.lng>
+               default encoding:    latin-1
+               default output file: ./language.po"
+
+VERSION="1"
+
+# default options
+OUTPUT="language.po"
+ENCODING="latin-1"
+INPUT=""
+TMPFILE=`mktemp lng2poXXXXX`
+
+# parse command line arguments
+while getopts hvo:e: OPT; do
+    case "$OPT" in
+        h)  echo $USAGE
+            exit 0
+            ;;
+        v)  echo "`basename $0` version: $VERSION"
+            exit 0
+            ;;
+        o)  OUTPUT=$OPTARG
+            ;;
+        e)  ENCODING=$OPTARG
+            ;;
+        \?) # getopts issues an error message
+            echo $USAGE >&2
+            exit 1
+            ;;
+	:) echo " Error:options -e and -o need an argument"
+	    exit 2
+	    ;;
+    esac
+done
+
+# move past the parsed commands in $@
+shift `expr $OPTIND - 1`
+
+# check if an input file was given and if it exists in ./ or winboard/languages
+# also check if it's a .lng file
+if [ $# -ne 1 ]; then
+    echo "  Error: Need to specify an input file"
+    exit 3
+else
+    if [ ${1: -4} == ".lng" ]; then
+	INPUT=$1
+    else
+	echo " Error: Input file needs to be a .lng file"
+	exit 4
+    fi
+fi
+
+if [ -e winboard/language/$INPUT ]; then
+    INPUT=winboard/language/$INPUT
+fi
+
+if [ -e $INPUT ]; then
+   # do the conversion
+
+   cp $INPUT $TMPFILE
+   recode $ENCODING $TMPFILE
+   ed $TMPFILE < metascript
+   rm $TMPFILE
+   cp xboard.pot $OUTPUT
+   ed $OUTPUT < lng2po-helper-script
+   rm lng2po-helper-script
+   echo "created $OUTPUT"
+else
+    echo " Error: Couldn't find input file ($INPUT) in current directory or winboard/languages"
+    exit 5
+fi
 
diff --git a/po/metascript b/po/metascript
index b5125cd..e44f604 100644
--- a/po/metascript
+++ b/po/metascript
@@ -120,6 +120,6 @@ w
 q
 .
 1,$g/@@@@@@/s//./
-w script
+w lng2po-helper-script
 q
 
-- 
1.7.0.4