fix arithmetic expression

8 years ago · 94200a2373
1 changed files with 1 additions and 2 deletions
--- a/3
+++ b/3
@ -47,8 +47,7 @@ while getopts "hi:o:f:sv" opt; do
      ;;
  esac
 done
-shift $(($OPTIND - 1))
-
+shift "$((OPTIND-1))"
 # Grab input file from end of command
 input=$1