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-rw-r--r--lib/kernel/test/os_SUITE.erl10
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/kernel/test/os_SUITE.erl b/lib/kernel/test/os_SUITE.erl
index cfd475becf..d7f0463289 100644
--- a/lib/kernel/test/os_SUITE.erl
+++ b/lib/kernel/test/os_SUITE.erl
@@ -324,9 +324,17 @@ max_size_command(_Config) ->
Res32768 = os:cmd("cat /dev/zero", #{ max_size => 32768 }),
32768 = length(Res32768),
- ResHello = string:trim(os:cmd("echo hello", #{ max_size => 20 })),
+ ResHello = string_trim(os:cmd("echo hello", #{ max_size => 20 })),
5 = length(ResHello).
+string_trim(S) ->
+ lists:reverse(string_trim_left(lists:reverse(string_trim_left(S)))).
+
+string_trim_left([C | T]) when C =:= $\s; C =:= $\n; C =:= $\t; C =:= $\r ->
+ string_trim_left(T);
+string_trim_left(S) ->
+ S.
+
%% Test that the os:perf_counter api works as expected
perf_counter_api(_Config) ->