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, 9 insertions, 9 deletions

diff --git a/qbc b/qbc
index b0dad2e..dfe688d 100755
--- a/qbc
+++ b/qbc
@@ -3,36 +3,36 @@
 #{{{ printhelp
 printhelp () {
   printf "qbc: qutebrowser 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 ARGS 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
 #}}}
 
 #{{{ Get Sessions
-SESSIONS=`qbpm list`
-[ -z "$SESSIONS" ] && qutebrowser $@ && exit
+SESSIONS=$(qbpm list)
+[ -z "$SESSIONS" ] && qutebrowser "$@" && exit
 #}}}
 
 #{{{ Select Session
-CHOSEN=`printf "default\n$SESSIONS"  | dmenu -l 15 -p "qutebrowser" $DMENU_ARGS`
+CHOSEN=$(printf "default\n%s" "$SESSIONS" | dmenu -l 15 -p "qutebrowser" ${ARG:+"$ARG"})
 [ -z "$CHOSEN" ] && exit 2
 if [ -n "$CHOSEN" ]; then
   if [ "$CHOSEN" = "default" ]; then
-    qutebrowser $URL
+    qutebrowser "$URL"
   else
-    if [ -z `echo "$SESSIONS" | grep "$CHOSEN"` ]; then
+    if echo "$SESSIONS" | { ! grep -q "$CHOSEN" ; }; then
       qbpm new "$CHOSEN"
     fi
-    qbpm launch "$CHOSEN" $URL
+    qbpm launch "$CHOSEN" "$URL"
     #qutebrowser -B "$HOME/.local/share/$CHOSEN"
   fi
 fi