[Assorted-commits] SF.net SVN: assorted:[1454] sandbox/trunk/src/one-off-scripts

[<yan...@us...>]

Revision: 1454
          http://assorted.svn.sourceforge.net/assorted/?rev=1454&view=rev
Author:   yangzhang
Date:     2009-06-19 09:53:33 +0000 (Fri, 19 Jun 2009)

Log Message:
-----------
added findreps script

Added Paths:
-----------
    sandbox/trunk/src/one-off-scripts/find-reps/
    sandbox/trunk/src/one-off-scripts/find-reps/Makefile
    sandbox/trunk/src/one-off-scripts/find-reps/findreps.cc

Added: sandbox/trunk/src/one-off-scripts/find-reps/Makefile
===================================================================
--- sandbox/trunk/src/one-off-scripts/find-reps/Makefile	                        (rev 0)
+++ sandbox/trunk/src/one-off-scripts/find-reps/Makefile	2009-06-19 09:53:33 UTC (rev 1454)
@@ -0,0 +1,2 @@
+CXXFLAGS = -Wall
+all: findreps

Added: sandbox/trunk/src/one-off-scripts/find-reps/findreps.cc
===================================================================
--- sandbox/trunk/src/one-off-scripts/find-reps/findreps.cc	                        (rev 0)
+++ sandbox/trunk/src/one-off-scripts/find-reps/findreps.cc	2009-06-19 09:53:33 UTC (rev 1454)
@@ -0,0 +1,26 @@
+#include <cstdio>
+#include <unistd.h>
+using namespace std;
+enum { size = 4096 };
+int main() {
+  char buf[size];
+  int counter = 0, charno = 0;
+  bool started = false;
+  while (true) {
+    ssize_t r = read(0, buf, size);
+    if (r < 0) { perror("read"); break; }
+    if (r == 0) { break; }
+    for (int i = 0; i < size; ++i, ++charno) {
+      if (buf[i] == 'a') {
+        ++counter;
+        started = true;
+      } else {
+        if (started && counter > 1024)
+          printf("charno %d counter %d\n", charno, counter);
+        counter = 0;
+        started = false;
+      }
+    }
+  }
+  return 0;
+}


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