In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/bluetoothd.sh line 7:

	echo $&commat

             ^-- SC2068 (error): Double quote array expansions to avoid re-splitting elements.

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/bluetoothd.sh line 21:

	echo -n "Startting $daemon... "

             ^-- SC3037 (warning): In POSIX sh, echo flags are undefined.

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/bluetoothd.sh line 22:

	[ -x $binary ] || die "$binary is not a valid application"

             ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 

	[ -x "$binary" ] || die "$binary is not a valid application"

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/bluetoothd.sh line 23:

	export LD_LIBRARY_PATH=$prefix/lib:/var/bluetooth/lib

                               ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 

	export LD_LIBRARY_PATH="$prefix"/lib:/var/bluetooth/lib

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/bluetoothd.sh line 26:

	while [ 1 ] ; do

                ^-- SC2161 (style): Instead of '[ 1 ]', use 'true'.

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/bluetoothd.sh line 28:

		dbus_is_ready=`ps -ef | grep dbus | grep -v grep`

                              ^-- SC2006 (style): Use $(...) notation instead of legacy backticks `...`.

                               ^----^ SC2009 (info): Consider using pgrep instead of grepping ps output.

Did you mean: 

		dbus_is_ready=$(ps -ef | grep dbus | grep -v grep)

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/bluetoothd.sh line 53:

	echo -n "$daemon"

             ^-- SC3037 (warning): In POSIX sh, echo flags are undefined.

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/bluetoothd.sh line 63:

	echo -n "Stopping $daemon... "

             ^-- SC3037 (warning): In POSIX sh, echo flags are undefined.

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/bluetoothd.sh line 64:

	kill $(echo $pids | cut -d' ' -f1)

             ^---------------------------^ SC2046 (warning): Quote this to prevent word splitting.

                    ^---^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 

	kill $(echo "$pids" | cut -d' ' -f1)

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/bluetoothd.sh line 80:

	checkExited && echo "ok." || die "ng."

                    ^-- SC2015 (info): Note that A && B || C is not if-then-else. C may run when A is true.

In /logs/firmware/patool_extraction/DUMP/mtdblock8_unblob_extracted/mtdblock8_extract/0-9650176.squashfs_v4_le_extract/etc/rc.d/init.d/bluetoothd.sh line 87:

[ "$end" = "" ] && [ "$action" != "" ] || showUsage

                ^-- SC2015 (info): Note that A && B || C is not if-then-else. C may run when A is true.

For more information:

  https://www.shellcheck.net/wiki/SC2068 -- Double quote array expansions to ...

  https://www.shellcheck.net/wiki/SC2046 -- Quote this to prevent word splitt...

  https://www.shellcheck.net/wiki/SC3037 -- In POSIX sh, echo flags are undef...