new feature, shows which desktop user is running, should work for gnome, kde 3.5, 4, 5, xfce 4, 5, fluxbox, lxde, openbox,

blackbox, awesome, fvwm, fvwm-crystal, and we'll add more with user data

inxi

@@ -1,8 +1,8 @@
 #!/bin/bash
 ########################################################################
 ####  Script Name: inxi
-####  version: 1.4.98
-####  Date: May 6 2011
+####  version: 1.4.99
+####  Date: May 18 2011
 ########################################################################
 ####  SPECIAL THANKS
 ########################################################################
@@ -2536,6 +2536,62 @@ get_cpu_ht_multicore_smp_data()
 	eval $LOGFE
 }
 
+# Detect desktop environment in use, logic from: compiz-check
+# http://forlong.blogage.de/entries/pages/Compiz-Check
+detect_desktop_environment()
+{
+	eval $LOGFS
+	
+	# set the default, this function only runs in X, if null, don't print data out
+	local desktop_environment='N/A' xprop_root='' ps_aux=''
+	
+	# note, GNOME_DESKTOP_SESSION_ID is deprecated so we'll see how that works out
+	# https://bugzilla.gnome.org/show_bug.cgi?id=542880
+	if [[ ! -z $GNOME_DESKTOP_SESSION_ID ]]; then
+		desktop_environment='GNOME'
+	# assume 5 will id the same, why not, no need to update in future
+	elif [[ $KDE_SESSION_VERSION == '5' ]]; then
+		desktop_environment='KDE 5'
+	elif [[ $KDE_SESSION_VERSION == '4' ]]; then
+		desktop_environment='KDE 4'
+	# KDE_FULL_SESSION property is only available since KDE 3.5.5.
+	# src: http://humanreadable.nfshost.com/files/startkde
+	elif [[ $KDE_FULL_SESSION == 'true' ]]; then
+		desktop_environment='KDE 3.5'
+	# note: fluxbox has a positive PID for blackbox, so I think most desktops can be detected 
+	# with some work.
+	elif [[ -n $( type -p xprop ) ]];then
+		xprop_root="$( xprop -root 2>/dev/null )"
+		ps_aux="$( ps aux )"
+		if [[ -n $( grep -is '\"xfce4\"' <<< "$xprop_root" ) ]];then
+			desktop_environment='Xfce4'
+		elif [[ -n $( grep -is '\"xfce5\"' <<< "$xprop_root" ) ]];then
+			desktop_environment='Xfce5'
+		elif [[ -n $( grep -is 'BLACKBOX_PID' <<< "$xprop_root" ) ]];then
+			if [[ -n $( grep -is 'fluxbox' <<< "$ps_aux" | grep -v 'grep' ) ]];then
+				desktop_environment='Fluxbox'
+			else
+				desktop_environment='Blackbox'
+			fi
+		elif [[ -n $( grep -is 'OPENBOX_PID' <<< "$xprop_root" ) ]];then
+			if [[ -n $( grep -is 'lxde' <<< "$ps_aux" | grep -v 'grep' ) ]];then
+				desktop_environment='LXDE'
+			else
+				desktop_environment='Openbox'
+			fi
+		# a few manual hacks for things that don't id with xprop, these are just good guesses
+		elif [[ -n $( grep -is 'fvwm-crystal'  <<< "$ps_aux" | grep -v 'grep' ) ]];then
+			desktop_environment='FVWM-Crystal'
+		elif [[ -n $( grep -is 'fvwm'  <<< "$ps_aux" | grep -v 'grep' ) ]];then
+			desktop_environment='FVWM'
+		elif [[ -n $( grep -is 'awesome' <<< "$ps_aux" | grep -v 'grep' ) ]];then
+			desktop_environment='Awesome'
+		fi
+	fi
+	echo $desktop_environment
+	eval $LOGFE
+}
+
 # for more on distro id, please reference this python thread: http://bugs.python.org/issue1322
 ## return distro name/id if found
 get_distro_data()
@@ -5961,10 +6017,16 @@ print_sensors_data()
 print_system_data()
 {
 	eval $LOGFS
-	local system_data='' bits=''
+	local system_data='' bits='' desktop_environment=''
 	local host_name=$( hostname )
 	local current_kernel=$( uname -rm ) # | gawk '{print $1,$3,$(NF-1)}' )
 	local distro="$( get_distro_data )"
+	
+	# I think these will work, maybe, if logged in as root and in X
+	if [[ $B_RUNNING_IN_X == 'true' ]];then
+		desktop_environment="${C1}Desktop${C2} $( detect_desktop_environment ) "
+	fi
+
 	# check for 64 bit first
 	if [[ -n $( uname -m | grep -o 'x86_64' ) ]];then
 		bits="(64 bit)"
@@ -5977,7 +6039,7 @@ print_system_data()
 	else
 		system_data=$( create_print_line "System:" "${C1}Kernel${C2}" )
 	fi
-	system_data="$system_data $current_kernel $bits ${C1}Distro${C2} $distro"
+	system_data="$system_data $current_kernel $bits $desktop_environment${C1}Distro${C2} $distro"
 	print_screen_output "$system_data"
 	eval $LOGFE
 }