> [set-output-sort-1:64] printf 'c\\nprofiling: foo\\nprofiling: bar\\nd\\nb\\na\\nprofiling: baz'
> Test suite `set-output-sort-1' OK
-p Check the default prefix length (19) for "output sort"
-! output sort
+p Check the Right Prefix Length (19) for "output sort"
+! output sort 19
< 12345678901234567 B line
< 12345678901234567 A line
$ cat
> 12345678901234567 A line
> 12345678901234567 B line
-! output sort
+! output sort 19
< 123456789012345678 B line
< 123456789012345678 A line
$ cat
! expect return 2
! output ignore
-< ! output sort
+< ! output sort 19
< < 123456789012345678 B line
< < 123456789012345678 A line
< $ cat