Vastly improved the gentags script-- now uses either $PWD or input paths

gentags

@@ -1,3 +1,22 @@
 #!/usr/bin/env bash
 
-[[ `type -P ctags` ]] && ctags -R -f ~/.vim/tags /usr/include /usr/local/include $@ || echo "Can't find the ctags binary in $PATH"
+TAGS_FILE="${HOME}/.vim/tags"
+CTAGS_CMD="ctags --fields=+l --c-kinds=+p --c++-kinds=+p -R -f ${TAGS_FILE}"
+
+function generate_tags(){
+    echo -e "\nRecursively generating tags for the following paths:"
+    for path in "$@"; do
+        echo "   ${path}"
+    done
+    RESULT=$($CTAGS_CMD "$@" >/dev/null 2>&1) && echo -e "Done!\n" || echo -e "Failed! Look at ${TAGS_FILE}.log for details.\n"
+    if [[ -n "$RESULT" ]]; then
+        echo "$RESULT" >> "${TAGS_FILE}.log"
+    fi
+}
+
+if [[ $(type -P ctags) ]]; then
+    [[ -n "$1" ]] && generate_tags "$@" || generate_tags "$PWD"
+else
+    echo 'Error: cannot find the ctags binary in $PATH'
+    exit 1
+fi