1 files changed, 11 insertions, 0 deletions
diff --git a/auxiliary/fix-grep/fix-grep.sh b/auxiliary/fix-grep/fix-grep.sh
new file mode 100755
index 0000000..4faf344
--- /dev/null
+++ b/auxiliary/fix-grep/fix-grep.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+
+# Fix grep -[EF] for systems that require the historical forms egrep
+# and fgrep. Run this script in the top-level Postfix directory as
+#     sh auxiliary/fix-grep/fix-grep.sh
+
+# Use only historical grep syntax.
+find * -type f | xargs grep -l 'grep -[EF]' | xargs perl -pi -e '
+	s/grep -E/egrep/g;
+	s/grep -F/fgrep/g;
+'