diff --git a/logger.c b/logger.c
index caae64f..64d4463 100644
--- a/logger.c
+++ b/logger.c
@@ -86,7 +86,7 @@ void LoggerSetDir(char *dirarg) {
     }
     fclose(fil);
   } else {
-    perror("open read error \n");
+    printf("can not read %s\n", path);
   }
 }
 /*--------------------------------------------------------------------------*/
@@ -104,8 +104,7 @@ char *LoggerGetDir(void) {
       fprintf(fil, "%s%ld\n", LASTLOGTXT, (long)now);
       fclose(fil);
     } else {
-      printf("can not open %s\n", path);
-      perror("open write error \n");
+      printf("can not write %s\n", path);
     }
     last = now;
   }
@@ -259,7 +258,7 @@ int LoggerWrite(Logger *log, time_t now, int period, char *value) {
 
   int l;
   FILE *fil;
-  char path[PATH_MAX];
+  char path[256];
   char tim[256];
 
   tm = localtime(&now);
@@ -417,7 +416,7 @@ static void LoggerOut(Compressor *c, time_t t, float y) {
   char line[80];
   
   /* printf("out %ld %g\n", t, y); */
-  if (y != c->ylast) {
+  if (y != c->ylast || !c->exact) {
     c->ylast = y;
     if (y == LOGGER_NAN) {
       snprintf(line, sizeof line, "%ld\n", (long)(t - c->tlast));