Add command-line options HEAD main

1 files changed, 28 insertions, 8 deletions

@@ -63,31 +63,51 @@ query() {
 }
 
 random_word() {
-        n="$(wc -l <"$wf")"
-        ln="$((RANDOM % n + 1))"
-        sed -n ${ln}p "$wf"
+        sort -Ru "$wf" | head -n1
 }
 
 main() {
+        degree=6 # the Kevin Bacon number ;)
+        talkative=true
+
+        while getopts hqc:s:t:h: opt; do
+                case "$opt" in
+                h) usage ;;
+                q) talkative=false ;;
+                c) degree="$OPTARG" ;;
+                s) dict_server="$OPTARG" ;;
+                t) dict_database="$OPTARG" ;;
+                l) thesaurus_header_lines="$OPTARG" ;;
+                *) usage 1 ;;
+                esac
+        done
+        shift $((OPTIND - 1))
+
         word="$1"
         words=()
         hopn=0
-        while [ "$hopn" -lt "$hops" ]; do
+        while [ "$hopn" -lt "$degree" ]; do
+                #printf '%s ' "$hopn"
                 if query "$word"; then
-                        echo "$word..."
+                        $talkative && echo "$word..." >&2
                         words+=("$word")
                         word="$(random_word)"
                         : $((hopn++))
                 elif [ "$hopn" -eq 0 ]; then
                         echo "Oops, don't know \"$word!\"" >&2
-                        exit 1
+                        exit 2
                 else
-                        echo "hmm."
+                        $talkative && echo "hmm." >&2
                         : $((hopn--))
                         word="${words[-1]}"
                 fi
         done
-        echo "$word" | awk '{print "> " toupper($0) "!"}'
+        echo "$word" |
+                if $talkative; then
+                        awk '{print "> " toupper($0) "!"}'
+                else
+                        cat
+                fi
 }
 
 if [[ "$BASH_SOURCE" = "$0" ]]; then