moved line counting to clipmenud (not displayed yet; refs #20)

This causes clipmenu to load about 40 % faster.

clipmenu

@@ -25,11 +25,6 @@ for (( i=${#files[@]}-1; i>=0; i-- )); do
     # less useful than displaying "foo (6 lines)", where "foo" is the first
     # line in the entry with actionable context.
     first_line=$(sed -n '/./{p;q}' "$file" | cut -c1-"$line_length_limit")
-    lines=$(wc -l < "$file")
-
-    if (( lines > 1 )); then
-        first_line+=" ($lines lines)"
-    fi
 
     ordered_selections+=("$first_line")
     selections[$first_line]=$file

clipmenud

@@ -47,7 +47,9 @@ while sleep "${CLIPMENUD_SLEEP:-0.5}"; do
 
         md5=$(md5sum <<< "$data")
         md5=${md5%% *}
+        amount_of_lines=$(echo "$data" | wc -l)
         filename="$cache_dir/$(LC_ALL=C date +%F-%H-%M-%S)-$md5"
+        (( amount_of_lines > 1 )) && filename+=" ($amount_of_lines lines)"
 
         last_data[$selection]=$data
         last_filename[$selection]=$filename