Unify shell script style

bin/fetch.sh

@@ -1,5 +1,5 @@
 #!/bin/sh
-# env
+# fetch
 # Written in 2019 by Lucas
 # CC0 1.0 Universal/Public domain - No rights reserved
 #
@@ -9,9 +9,10 @@
 # warranty. You should have received a copy of the CC0 Public Domain
 # Dedication along with this software. If not, see
 # <http://creativecommons.org/publicdomain/zero/1.0/>.
+
 usage()
 {
-	printf "Usage: %s [-T] URL [URLs...]\n" "${0##*/}">&2
+	printf "Usage: %s [-T] URL [URL ...]\n" "${0##*/}">&2
 	exit 1
 }
 
@@ -34,9 +35,7 @@ while getopts T flag; do
 	esac
 done
 shift $(($OPTIND - 1))
-if [ $# -eq 0 ]; then
-	usage
-fi
+[ $# -gt 0 ] || usage
 
 : ${ARCHIVE_BASEDIR:=~/tmp/archive}
 mkdir -p "$ARCHIVE_BASEDIR"