Make sh scrips POSIX compliant

Using shellcheck, I went through all of them to make them standards
compliant. I also tested as many as I could.

1 files changed, 6 insertions, 6 deletions

diff --git a/fdc b/fdc
index 1437c2b..6cf3942 100755
--- a/fdc
+++ b/fdc
@@ -3,23 +3,23 @@
 #{{{ printhelp
 printhelp () {
   printf "fdc: firedragon menu interface.\n"
-  printf "  -u URL  ) pass URL to browser\n"
-  printf "  -d ARGS ) pass ARGS to menu command\n"
+  printf "  -u URL ) pass URL to browser\n"
+  printf "  -d ARG ) pass ARG to menu command\n"
   exit
 }
 #}}}
 
 #{{{ getopts
 while getopts "hd:u:" o; do case "${o}" in
-  d) DMENU_ARGS="$OPTARG" ;;
+  d) ARG="$OPTARG" ;;
   u) URL="$OPTARG" ;;
   *) printhelp ;;
 esac done
 #}}}
 
 #{{{ Choose Profiles
-PROFILES=`grep 'Path=' ~/.firedragon/profiles.ini | cut -d'.' -f2`
-CHOSEN=`echo "$PROFILES" | dmenu $DMENU_ARGS -p "firedragon"`
+PROFILES=$(grep 'Path=' ~/.firedragon/profiles.ini | cut -d'.' -f2)
+CHOSEN=$(echo "$PROFILES" | dmenu ${ARG:+"$ARG"} -p "firedragon")
 [ -z "$CHOSEN" ] && exit 2
-exec firedragon -P "$CHOSEN" $URL
+exec firedragon -P "$CHOSEN" "$URL"
 #}}}