lf: reformat config

common/.config/lf/lfrc

@@ -1,7 +1,6 @@
 # Functions
 cmd open ${{
     set +u
-    files=${@:-$fx}
     [ "$lf_user_multiedit" = "true" ] && {
         $EDITOR $fx
         lf -remote "send $id unselect"
@@ -12,12 +11,11 @@ cmd open ${{
 
 cmd pushedit %{{
     set +u
-    files=$1
-    [ -z $files ] && {
+
     echo "Open: " && read -r files
     echo
-    }
-    echo $files | xargs -r touch
+    echo "$files" | xargs -r touch
+
     lf -remote "send $id \$$OPENER $files"
 }}
 
@@ -114,7 +112,8 @@ cmd fzf ${{
     name="$1" input="$2" delimiter="$3" field="$4" path_field="$5" width="$6" query="${7:-}"
 
     clear
-    file="$(eval "$input" | fzf \
+    file="$(
+        eval "$input" | fzf \
             --exact \
             --query "$query" \
             --delimiter "$delimiter" \
@@ -125,7 +124,7 @@ cmd fzf ${{
             --tiebreak="begin" \
             --header="$name" \
             --preview='
-            file=$(echo {} | cut -d '$delimiter' -f '$path_field')
+                file=$(echo {} | cut -d '"$delimiter"' -f '"$path_field"')
                 if [ -f "$file" ] && [ -r "$file" ]; then
                     head -n $LINES "$file"
                 elif [ -d "$file" ] && [ -r "$file" ]; then