feat: calc for dwm because its useful for me

.config/suckless/dwm/config.h

@@ -57,6 +57,7 @@ static const Key keys[] = {
 	{ MODKEY|ShiftMask,             XK_space,			togglefloating, {0} },
 	{ MODKEY|ShiftMask,             XK_0,				tag,            {.ui = ~0 } },
 
+	{ MODKEY,			XK_c,   			spawn, 		SHCMD("sh /home/andrew/.config/suckless/dwm/scripts/calc.sh") },
 	{ 0, 				XF86XK_AudioRaiseVolume,   	spawn, 		SHCMD("sh /home/andrew/.config/suckless/dwm/scripts/volume.sh up") },
 	{ 0, 				XF86XK_AudioLowerVolume,   	spawn, 		SHCMD("sh /home/andrew/.config/suckless/dwm/scripts/volume.sh down") },
 

.config/suckless/dwm/scripts/calc.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+q=$(echo -e "Add\nSubtract\nMultiply\nDivide" | dmenu -l 4 -p "Options: ")
+f=$(dmenu -p "First: " < /dev/null)
+s=$(dmenu -p "Second: " < /dev/null)
+r=""
+
+case "$q" in
+    Add)      r=$((f + s)) ;;
+    Subtract) r=$((f - s)) ;;
+    Multiply) r=$((f * s)) ;;
+    Divide)   r=$(echo "scale=2; $f / $s" | bc) ;;
+esac
+
+echo "$r" | dmenu -p "Answer: "

output

@@ -0,0 +1,28 @@
+root::0:root
+bin::1:root,bin,daemon
+daemon::2:root,bin,daemon
+sys::3:root,bin,adm
+adm::4:root,adm,daemon
+tty::5:
+disk::6:root,adm
+lp::7:lp
+mem::8:
+kmem::9:
+wheel::10:root
+floppy::11:root
+news::13:news
+uucp::14:uucp
+console::17:
+audio::18:
+cdrom::19:
+dialout::20:
+tape::26:root
+video::27:root
+cdrw::80:
+usb::85:
+input::97:
+users::100:
+portage::250:portage
+utmp:x:406:
+nogroup::65533:
+nobody::65534: