grep: make "-f -" work (+ testsuite)
diff: small code shrink
function old new delta
grep_main 722 714 -8
diffreg 1825 1793 -32
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-40) Total: -40 bytes
diff --git a/testsuite/grep.tests b/testsuite/grep.tests
index 34c0fe4..b2de2af 100755
--- a/testsuite/grep.tests
+++ b/testsuite/grep.tests
@@ -78,6 +78,10 @@
testing "grep -F handles multiple expessions" "grep -F -e one -e two input ; echo \$?" \
"one\ntwo\n0\n" "one\ntwo\n" ""
+# -f file/-
+testing "grep can read regexps from stdin" "grep -f - input ; echo \$?" \
+ "two\nthree\n0\n" "tw\ntwo\nthree\n" "tw.\nthr\n"
+
optional FEATURE_GREP_EGREP_ALIAS
testing "grep -E supports extended regexps" "grep -E fo+" "foo\n" "" \
"b\ar\nfoo\nbaz"