update options, add unused opt

Makefile

@@ -3,3 +3,8 @@
 all:
 	-mkdir bin
 	v -prod lsv -o bin/lsv
+
+unused:
+	-mkdir bin
+	v -prod -skip-unused lsv -o bin/lsv
+

lsv/options.v

@@ -85,6 +85,7 @@ fn parse_args(args []string) Options {
 	colorize := fp.bool('', `c`, false, 'color the listing')
 	dir_indicator := fp.bool('', `D`, false, 'append / to directories')
 	icons := fp.bool('', `i`, false, 'show file icon (requires nerd fonts)')
+	long_format := fp.bool('', `l`, false, 'long listing format')
 	with_commas := fp.bool('', `m`, false, 'list of files separated by commas')
 	quote := fp.bool('', `q`, false, 'enclose files in quotes')
 	recursive := fp.bool('', `R`, false, 'list subdirectories recursively')
@@ -108,7 +109,6 @@ fn parse_args(args []string) Options {
 	table_format := fp.bool('', `B`, false, 'add borders to long listing format')
 	size_ki := fp.bool('', `k`, false, 'sizes in kibibytes (1024) (e.g. 1k 234m 2g)')
 	size_kb := fp.bool('', `K`, false, 'sizes in Kilobytes (1000) (e.g. 1kb 234mb 2gb)')
-	long_format := fp.bool('', `l`, false, 'long listing format')
 	octal_permissions := fp.bool('', `o`, false, 'show octal permissions')
 	relative_path := fp.bool('', `p`, false, 'show relative path')
 	accessed_date := fp.bool('', `A`, false, 'show last accessed date')