squeeze

commit bb0fb92595dca9bba7ce4e982d9d1975ae18a56c
parent c92e170c3fe58744b69a623ca5cb14bb369ac76b
Author: St John Karp <contact@stjo.hn>
Date:   Sat,  9 Oct 2021 10:26:54 -0400

Remove non-digits from process count

`wc` on FreeBSD includes some whitespace before the digit, so we
need to trim any characters that aren't numbers before doing a
numeric comparison.

Diffstat:
M
squeeze.sh
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/squeeze.sh b/squeeze.sh
@@ -95,7 +95,7 @@ find "$source_path" -type f -name "*.md" $find_test |
 		# or equal to the max processes. We have to subtract one
 		# because the `ps` command always outputs a header that we
 		# don't want to count.
-		while [ "$(expr "$(ps -p "${proc_ids%% }" | wc -l)" - 1)" -ge "$max_processes" ] ; do
+		while [ "$(expr "$(ps -p "${proc_ids%% }" | wc -l | tr -d -c '[:digit:]')" - 1)" -ge "$max_processes" ] ; do
 			true
 		done
 	done