use getopt

1 files changed, 16 insertions, 9 deletions

diff --git a/dic b/dic
index fb81251..8588998 100755
--- a/dic
+++ b/dic
@@ -1,19 +1,26 @@
 #! /bin/sh
-# usage: dic WORD [LANG]
+# usage: dic [--lang=LANG] WORD...
 # where LANG may be one of en, fr, es, it, ch, ru, pt, pl
 # multiple WORDs may be seperated by + like this: multiple+words
 set -euf
 
 main() {
 
-  case $# in
-    1|2) :;; # ok
-    *) usage; exit 23;;
-  esac
-
-  search=$1
-  lang=de
-  lp=${2-en}de
+  _args=$(getopt -n "$0" -s sh \
+      -o l: \
+      -l lang: \
+      -- "$@")
+  if \test $? != 0; then exit 1; fi
+  eval set -- "$_args"
+  unset _args
+  lang=en
+  while :; do case $1 in
+    -l|--lang) lang=$2; shift 2;;
+    --) shift; break;;
+  esac; done
+
+  search=$*
+  lp=${lang}de
 
   GET | simplify | tac
 }