doctests: check: Define i and o vars

[subdirmk.git] / tests / filter / check

diff --git a/tests/filter/check b/tests/filter/check
index 35db4ed22c374de10ffcd1631265c40b5b8d7b67..5ba1a231a56dbc7bcec056a1b5a91cfb8387e34c 100755 (executable)
--- a/tests/filter/check
+++ b/tests/filter/check
@@ -9,7 +9,9 @@ expand <../../README | ./extract-doctest . >/dev/null
 ../../generate sub/dir
 files=$(find -name \*.expected)
 for f in $files; do
-       sed <$f >$f.tmp '
+       i=$f
+       o=$f.tmp
+       sed <$i >$o '
                /^# doctests:/ {
                        r '"${f%/*}/doctest.mk.part"'
                        a