port: BSD cut doesn't support '\0' as a delimiter

Use a combination of 'tr' and 'head' instead which works with both the GNU and BSD version of coreutils. Change-Id: I5628863ed41030864ec08f45a3d4153c32fc5496 Signed-off-by: Michael Jeanson <[email protected]> Signed-off-by: Jérémie Galarneau <[email protected]>
jgalar · Oct 31, 2022 · c29d17c · c29d17c
1 parent 1524f98
commit c29d17c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tests/utils/utils.sh b/tests/utils/utils.sh
@@ -148,7 +148,7 @@ function lttng_pgrep ()
 
 	while IFS= read -r pid ; do
 		# /proc/pid/cmdline is null separated.
-		if full_command_no_argument=$(cut -d '' -f 1 2>/dev/null < /proc/"$pid"/cmdline); then
+		if full_command_no_argument=$(tr '\0' '\n' < /proc/"$pid"/cmdline 2>/dev/null | head -n1); then
 			command_basename=$(basename "$full_command_no_argument")
 			if grep -q "$pattern" <<< "$command_basename"; then
 				echo "$pid"