In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/bin/ircutfilter.sh line 6:
	local level=$1
        ^---------^ SC3043 (warning): In POSIX sh, 'local' is undefined.
                    ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	local level="$1"


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/bin/ircutfilter.sh line 8:
	logger -p $level -t "$SELF" -s "$@"
                  ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	logger -p "$level" -t "$SELF" -s "$@"


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/bin/ircutfilter.sh line 17:
	local source
        ^----------^ SC3043 (warning): In POSIX sh, 'local' is undefined.


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/bin/ircutfilter.sh line 43:
	mode get $source > /dev/null
                 ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
	mode get "$source" > /dev/null


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/bin/ircutfilter.sh line 47:
	[ $# -gt 0 ] && [ "$1" ] || error err "Invalid argument"
                     ^-- SC2015 (info): Note that A && B || C is not if-then-else. C may run when A is true.


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/bin/ircutfilter.sh line 48:
	local param val
        ^-------------^ SC3043 (warning): In POSIX sh, 'local' is undefined.


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/bin/ircutfilter.sh line 49:
	local source
        ^----------^ SC3043 (warning): In POSIX sh, 'local' is undefined.


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/bin/ircutfilter.sh line 77:
		parhandclient set $param $val || error err "Failed to set parameter $param"
                                         ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
		parhandclient set $param "$val" || error err "Failed to set parameter $param"


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/bin/ircutfilter.sh line 84:
		validate $*
                         ^-- SC2048 (warning): Use "$@" (with quotes) to prevent whitespace problems.
                         ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
		validate "$*"


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/bin/ircutfilter.sh line 88:
		mode $*
                     ^-- SC2048 (warning): Use "$@" (with quotes) to prevent whitespace problems.
                     ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
		mode "$*"


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/bin/ircutfilter.sh line 92:
		mode $*
                     ^-- SC2048 (warning): Use "$@" (with quotes) to prevent whitespace problems.
                     ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
		mode "$*"


In /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/bin/ircutfilter.sh line 96:
		mode $*
                     ^-- SC2048 (warning): Use "$@" (with quotes) to prevent whitespace problems.
                     ^-- SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean: 
		mode "$*"

For more information:
  https://www.shellcheck.net/wiki/SC2048 -- Use "$@" (with quotes) to prevent...
  https://www.shellcheck.net/wiki/SC3043 -- In POSIX sh, 'local' is undefined.
  https://www.shellcheck.net/wiki/SC2015 -- Note that A && B || C is not if-t...