tests: echo-with-arguments review

Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: John Kennedy <[email protected]>
Reviewed-by: Ryan Moeller <[email protected]>
Signed-off-by: Ahelenia Ziemiańska <[email protected]>
Closes openzfs#13259

Author: nabijaczleweli

tests/zfs-tests/tests/functional/rsend/rsend_012_pos.ksh

@@ -162,5 +162,5 @@ while ((i < ${#pair[@]})); do
 	((i += 2))
 done
 
-log_pass "Verify zfs send -R will backup all the filesystem properties " \
+log_pass "Verify zfs send -R will backup all the filesystem properties" \
 	"correctly."

tests/zfs-tests/tests/functional/trim/trim.kshlib

@@ -22,7 +22,7 @@
 #
 function get_size_mb
 {
-	du --block-size 1048576 -s "$1" | awk '{printf("%s", $1)}'
+	du --block-size 1048576 -s "$1" | cut -f1
 }
 
 #
@@ -38,14 +38,12 @@ function get_trim_io
 	# Sum the ind or agg columns of the trim request size histogram.
 	case "$type" in
 	"ind")
-		rval=$(zpool iostat -pr $pool $vdev | awk \
-		    '$1 ~ /[0-9].*/ { sum += $12 } END { print sum }')
-		echo -n "$rval"
+		zpool iostat -pr $pool $vdev |
+		    awk '$1 ~ /[0-9].*/ { sum += $12 } END { print sum }'
 		;;
 	"agg")
-		rval=$(zpool iostat -pr $pool $vdev | awk \
-		    '$1 ~ /[0-9].*/ { sum += $13 } END { print sum }')
-		echo -n "$rval"
+		zpool iostat -pr $pool $vdev |
+		    awk '$1 ~ /[0-9].*/ { sum += $13 } END { print sum }'
 		;;
 	*)
 		log_fail "Type must be 'ind' or 'agg'"