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-rw-r--r--m/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/m/Makefile b/m/Makefile
index 931a7b4..1d59cae 100644
--- a/m/Makefile
+++ b/m/Makefile
@@ -8,7 +8,7 @@ all: WeylScal4.out
WeylScal4.out: WeylScal4.m
rm -rf WeylScal4
./runmath.sh $^
- grep --silent 'Thorn ./WeylScal4 created successfully' WeylScal4.out
+ grep -q 'Thorn ./WeylScal4 created successfully' WeylScal4.out && \
for file in $$(ls WeylScal4); do \
./copy-if-changed.sh WeylScal4/$$file ../$$file; \
done