[PATCH] add dumb script to show all sysfs devices in the system.

test/show_all_devices.sh

@@ -0,0 +1,27 @@
+#! /bin/bash
+#
+# Directory where sysfs is mounted
+SYSFS_DIR=/sys
+
+# handle block devices and their partitions
+for i in ${SYSFS_DIR}/block/*; do
+	# each drive
+	echo ${i#${SYSFS_DIR}/block/}
+
+	# each partition, on each device
+	for j in $i/*; do
+		if [ -f $j/dev ]; then
+			echo ${j#${SYSFS_DIR}} | cut --delimiter='/' --fields=4-
+		fi
+	done
+done
+
+# all other device classes
+for i in ${SYSFS_DIR}/class/*; do
+	for j in $i/*; do
+		if [ -f $j/dev ]; then
+			echo ${j#${SYSFS_DIR}} | cut --delimiter='/' --fields=4-
+		fi
+	done
+done
+