calculator (rofi)

calculator

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+#TODO:
+# EUR
+# RUB
+
+vars=( $(echo {a..z}) )
+count=-1
+prompt=' '
+mesg=""
+# menu=dmenu
+menu="rofi -dmenu"
+
+while eqn=$(echo | rofi -dmenu -lines 0 -theme Monokai -mesg "$mesg" -p "$prompt  "); do
+	[[ $eqn ]] || exit
+
+	echo $eqn | grep '#'
+
+	if [ "$?" == 0 ]; then
+		comment="#$(echo $eqn | cut -d '#' -f 2-)"
+	else
+		comment=""
+	fi
+
+	# if ans=$(calc -pd “$(eval echo $(echo $eqn | sed ‘s/([a-z])/$\1/g’))”); then
+	exp=$(eval echo $(echo \"$eqn\" | sed 's/#.*"/"/; s/\([a-z]\)/$\1/g'))
+
+	echo = $exp
+
+	if ans=$(echo "$exp" | bc -l); then
+		echo -n $ans | xclip
+		count=$(( $count + 1 ))
+
+		[[ $count -gt 25 ]] && count=0
+
+		eval ${vars[$count]}=$ans
+
+		# prompt="$prompt  $(eval echo ${vars[$count]}=$ans)"
+		# mesg=$(echo "$mesg\n  ${vars[$count]}  $exp  $ans \t $comment")
+		# printf "%50s\n" "This field is 50 characters wide..."
+		mesg=$(printf "$mesg\n  %s  %-10s  %-10s %s" ${vars[$count]} $exp $ans $comment)
+	fi
+done
+