Slower but correct (wrt buffered) unbuffered version.

2 files changed, 44 insertions, 10 deletions

diff --git a/corpus/support/utf8-normalize-batch.pl b/corpus/support/utf8-normalize-batch.pl
new file mode 100755
index 00000000..e574f861
--- /dev/null
+++ b/corpus/support/utf8-normalize-batch.pl
@@ -0,0 +1,28 @@
+#!/usr/bin/env perl
+
+use IPC::Open2;
+
+$|++;
+
+if (scalar(@ARGV) != 1) {
+    print STDERR "usage: $0 \"CMD\"\n";
+    exit(2);
+}
+
+$CMD = $ARGV[0];
+
+while (<STDIN>) {
+    s/\r\n*/\n/g;
+    $PID = open2(*SOUT, *SIN, $CMD);
+    print SIN "$_\n";
+    close(SIN);
+    $_ = <SOUT>;
+    close(SOUT);
+    waitpid($PID, 0);
+    chomp;
+    s/[\x00-\x1F]+/ /g;
+    s/  +/ /g;
+    s/^ //;
+    s/ $//;
+    print "$_\n";
+}
diff --git a/corpus/support/utf8-normalize.sh b/corpus/support/utf8-normalize.sh
index c85ae9f7..af9895ba 100755
--- a/corpus/support/utf8-normalize.sh
+++ b/corpus/support/utf8-normalize.sh
@@ -25,13 +25,19 @@ else
   fi
 fi
 
-perl -e '$|++; while(<>){s/\r\n*/\n/g; print;}' | $CMD | /usr/bin/perl -w -e '
- $|++;
- while (<>) {
-     chomp;
-      s/[\x00-\x1F]+/ /g;
-      s/  +/ /g;
-      s/^ //;
-      s/ $//;
-      print "$_\n";
-    }'
+if [[ $# == 1 && $1 == "--batchline" ]]; then
+    perl $(dirname $0)/utf8-normalize-batch.pl "$CMD"
+else
+    perl -e '$|++; while(<>){s/\r\n*/\n/g; print;}' \
+    |$CMD \
+    |/usr/bin/perl -w -e '
+        $|++;
+        while (<>) {
+            chomp;
+            s/[\x00-\x1F]+/ /g;
+            s/  +/ /g;
+            s/^ //;
+            s/ $//;
+            print "$_\n";
+        }'
+fi