smarter interactive mode

pizza.sh

@@ -22,7 +22,6 @@ function pizzahelp { # this only prints help text
 	echo "Notes:"
 	echo "	The dough can be kept overnight in the refidgerator if needed"
 	echo "	Water may also be used in place of beer"
-	echo "	When in interactive mode, -f will get overridden"
 	echo "	Try adding your choice of spices and/or herbs into the dough for more flavor"
 	echo
 }
@@ -32,7 +31,7 @@ if [ -a "${XDG_CONFIG_HOME}/pizzacalc/conf" ]; then
 elif [ -a "$HOME/.config/pizzacalc/conf" ]; then
 	ALTPIZZA="${HOME}/.config/pizzacalc/conf"
 else
-	ALTPIZZA=/dev/null
+	ALTPIZZA=-
 fi
 
 function pizzarecipe {
@@ -72,7 +71,6 @@ function panarea {
 }
 
 function arraytio { # im funny portmantaus are never bad
-	[ -n SIZE ] || read -p "Grams of flour: " SIZE # test ([) will send a non-zero exit code on if $SIZE doesnt exist, tripping the or (the '||')
 	INDEX=0
 	for RATIO in $(cat "$INSTDIR/pizza.txt" | cat - "$ALTPIZZA" | sed -n "/\[$RECIPE:ratios\]/,/^$/p" | tail -n +3 | cut -f 2-); do # finding [ratios] until the next blank line, removing the first two lines.
 		declare -a INGREDIENT # make arrays
@@ -106,7 +104,19 @@ case $1 in # this parses the first argument (and actually calls our main functio
 		panarea;;
 	*)
 		read -p "Diameter of pan (in inches): " WIDTH
-		DFSI=$(cat "$INSTDIR/pizza.txt" | cat - "$ALTPIZZA" | grep -A 1 "\[$RECIPE:ratios\]" | tail -n -1 | cut -f 2-)
-		read -p "Flour per square inch [$DFSI]: " FSI
-		panarea;;
+		if [[ -n "$WIDTH" ]]; then
+			if [[ -z "$FSI" ]]; then
+				DFSI=$(cat "$INSTDIR/pizza.txt" | cat - "$ALTPIZZA" | grep -A 1 "\[$RECIPE:ratios\]" | tail -n -1 | cut -f 2- | xargs) # the fsi retrieved from the recipe may have whitespace preceding it, and we dont want that printed in the brackets, breaking formatting
+			else
+				DFSI="$FSI"
+			fi
+			read -p "Flour per square inch [$DFSI]: " FSI
+			panarea
+		else
+			read -p "Grams of flour: " SIZE # if the user doesnt input pan dimentions, ask for amount of flour instead
+			if [[ -z "$SIZE" ]]; then
+				exit 1
+			fi
+			arraytio
+		fi;;
 esac