bin/spell: make more sophisticated

bin/spell

@@ -1,2 +1,24 @@
 #!/usr/bin/env bash
-echo "$@" | aspell -a | tail -n-2
+
+# A simple script for correcting the spelling of a word. Uses (and requires) fzf
+# to select the correct word. This output can be piped to something like dict
+#
+# Usage: spell mispeling
+# Example: dict $(spell mispeling)
+
+result=$(echo "$@" | aspell -a | tail -n-2)
+if [[ "$result" == '*' ]]; then
+    echo "$@"
+else
+    if ! command -v 'fzf' >/dev/null; then
+        >&2 echo "fzf not installed"
+        exit 1
+    fi
+
+    words=$(echo "$result" | sed 's/[:,] /\n/g' | tail -n +2)
+    if (( $(wc -l <<< "$words") > 1 )); then
+        fzf <<< "$words"
+    else
+        echo "$words"
+    fi
+fi