diff --git a/main.c b/main.c
index 8ae085e..580edb2 100644
--- a/main.c
+++ b/main.c
@@ -10,7 +10,6 @@
 #include "parser.h"
 #include "signal.h"
 
-
 //#define COUNT  (1000000 *5) // enables timing info
 
 
@@ -19,7 +18,7 @@
   clock_t startm, stopm;
   #define START if((startm = clock()) == -1){ printf("Error calling clock"); exit(1); }
   #define STOP  if((stopm  = clock()) == -1){ printf("Error calling clock"); exit(1); }
-  #define PRINTTIME printf( "%6.3f seconds", ((double)stopm - startm) /CLOCKS_PER_SEC);
+  #define PTIME printf( "%6.3f seconds", ((double)stopm - startm) /CLOCKS_PER_SEC);
 #endif
 
 static void change(ctx * const ctx, s8 *i)
@@ -65,44 +64,37 @@ int main(int argc, char **argv)
   job.wlen = 0;
   job.out_m = DRY_RUN; // default
 
-  job.work = parse_opt(argc, argv, &job);
-  DPRINTF("parse_opt()\tret:%d\n", job.work);
-  if(job.work)
-  {
-    cleanup(&job); exit(EXIT_FAILURE);
-  }
-
-  job.work = parse_file(&job);
-  DPRINTF("parse_file()\tret:%d\n", job.work);
-  if(job.work)
+  for(u8 i = 0; i < 2; i++) // do two checks
   {
-    fprintf(stderr, "[E] Please recheck and pass a valid config file with -c\n");
-    cleanup(&job); exit(EXIT_FAILURE);
+    switch(i)
+    {
+        case 0: job.work = parse_opt(argc, argv, &job); break;
+        case 1: job.work = parse_file(&job);            break;
+    }
+    if(job.work) { cleanup(&job); exit(EXIT_FAILURE); }
   }
 
   u8 *p = NULL;
-  if(1) // for verbose
+
+  #ifdef DEBUG
+  DPRINTF("Report from main, mode %u\n", job.mode);
+  for(u8 i = 0; i < job.wlen; i++)
   {
-    #ifdef DEBUG
-    DPRINTF("Report from main, mode %u\n", job.mode);
-    for(u8 i = 0; i < job.wlen; i++)
-    {
-      p = job.idx[i];
-      DPRINTF("idx %2d/%.2d @%p:\t%d items\n", i, job.wlen, p, p[0]);
-      scan(&p[1], &p[0], HEXDUMP, NULL);
-    }
-    DPRINTF("%zub %zub\n", sizeof(ctx), sizeof(void*));
-    DPRINTF("[I] Config passed, report data matrix:\n");
-    #endif
+    p = job.idx[i];
+    DPRINTF("idx %2d/%.2d @%p:\t%d items\n", i, job.wlen, p, p[0]);
+    scan(&p[1], &p[0], HEXDUMP, NULL);
   }
+  DPRINTF("%zub %zub\n", sizeof(ctx), sizeof(void*));
+  DPRINTF("[I] Config passed, report data matrix:\n");
+  #endif
 
   /* report data matrix */
   if(job.out_m == DRY_RUN)
   {
     if(job.numw) fprintf(stderr, "[I] Requested %u words!\n", job.numw);
 
-    dump_matrix(&job);
-    // in this case word is moved into the last one!
+    dump_matrix(&job); // in this case word is moved into the last one!
+
     cleanup(&job); exit(0);
   }
 
@@ -121,26 +113,22 @@ int main(int argc, char **argv)
     if(c %COUNT == 0) // output only every COUNT attempt
     #endif
     {
-      switch(job.out_m)
-      {
-        case BIN: bin2stdout(&job); break;                /* bin to STDOUT,   mode based */
-        default:  scan(p, &job.wlen, PRINT, NULL); break; /* standard output, mode based */
-      }
+      if(job.out_m == BIN)
+        bin2stdout(&job);                  /* bin to STDOUT,   mode based */
+      else
+        scan(p, &job.wlen, PRINT, stdout); /* standard output, mode based */
 
       #ifdef COUNT // print timing info
       {
         STOP;
-        PRINTTIME;
         printf(" [%.2f/sec]", COUNT /(((double)stopm - startm) /CLOCKS_PER_SEC));
         START;
       }
       #endif
 
-      switch(job.out_m)
-      {
-        case WORDLIST: printf("\n"); break; /* one-per-line output */
-        case QUIET:    printf("\r"); break; /* on-same-line output */
-      }
+      if(job.out_m == WORDLIST) printf("\n"); /* one-per-line output */
+      else
+      if(job.out_m == QUIET)    printf("\r"); /* on-same-line output */
     }
 
     if(job.numw && job.numw == c) break;
@@ -156,7 +144,7 @@ int main(int argc, char **argv)
 
     if(n < 0) break; // after that, we start increase word lenght!
     /*
-      compute which one have to change and eventually continue
+      Compute which one have to change and eventually continue
       something like n = find(word);
     */
     n = job.wlen -1; // reset n to rightmost one
diff --git a/parser.c b/parser.c
index 6d93b71..57ea1aa 100644
--- a/parser.c
+++ b/parser.c
@@ -45,7 +45,7 @@ static u8 *_x_to_u8_buffer(const char *hex)
 }
 
 
-// wrapper to bin write to STDOUT
+// Wrapper to bin write to STDOUT
 void bin2stdout(ctx * const p)
 {
   ssize_t n = write(STDOUT_FILENO, p->word, p->wlen);
@@ -57,7 +57,7 @@ void bin2stdout(ctx * const p)
 }
 
 
-// actually we resume on parse_file()
+// Actually we resume on parse_file()
 static u8 resume(ctx * const p)
 {
   u8 res = 0;
@@ -92,7 +92,7 @@ static u8 resume(ctx * const p)
 }
 
 
-// actually we save on cleanup()
+// Actually we save on cleanup()
 static size_t save(ctx * const p)
 {
   FILE *fp = fopen(FILESAVE, "w");
@@ -106,7 +106,7 @@ static size_t save(ctx * const p)
 }
 
 
-// wrapper to release allocated ctx memory
+// Wrapper to safely release allocated ctx memory
 void cleanup(ctx * const p)
 {
   /* save last generated, to resume on next run
@@ -243,7 +243,12 @@ s8 parse_opt(int argc, char **argv, ctx *ctx)
   return 0;
 }
 
-
+/*
+  Scan modes:
+  PRINT and HEXDUMP can switch STDOUT/STDERR via *dst
+  MARK_ONE and MARK_ALL prints to STDOUT
+  IS_HEX, FIND and COUNT does not prints but returns values
+*/
 s8 scan(const u8 *item, const u8 *l, const u8 smode, const u8 *dst)
 {
   const u8 *p = item;
@@ -254,8 +259,8 @@ s8 scan(const u8 *item, const u8 *l, const u8 smode, const u8 *dst)
     switch(smode)
     {
       case PRINT:
-        if(opmode == CHAR) printf("%c",   *p);
-        else               printf("%.2x", *p);
+        if(opmode == CHAR) fprintf(dst, "%c",   *p);
+        else               fprintf(dst, "%.2x", *p);
         break;
 
       case IS_HEX: if(!isxdigit(*p)) return i;
@@ -297,13 +302,19 @@ s8 scan(const u8 *item, const u8 *l, const u8 smode, const u8 *dst)
 }
 
 
-/* Marked matrix dumper
-   used just on DRY_RUN, or triggered by -USR1 signal */
+/*
+  Marked matrix dumper
+  used just on DRY_RUN, or triggered by -USR1 signal
+  This can be used by bash redirection, for example:
+  $ ./bf -c test/test_3.HEX -x -q 2>.bf.stderr
+  then:
+  $ cat .bf.stderr
+*/
 void dump_matrix(ctx * const p)
 {
-  fflush(stderr);
+  fflush(stdout);
 
-  scan(p->word, &p->wlen, PRINT, NULL); puts(""); // report current
+  scan(p->word, &p->wlen, PRINT, stderr); fprintf(stderr, "\n"); // report current
 
   // setup a bounder line
   size_t max = sizeof(char) * p->wlen *3;
@@ -348,7 +359,7 @@ void dump_matrix(ctx * const p)
   {
   //DPRINTF("%p %p %p\n", p, p->word, &p->word);
     free(p->word), p->word = t2;
-    scan(p->word, &p->wlen, PRINT, NULL); puts(""); // report last
+    scan(p->word, &p->wlen, PRINT, stderr); fprintf(stderr, "\n"); // report last
   }
   else free(t2), t2 = NULL;
 
diff --git a/parser.h b/parser.h
index fe65426..109d98b 100644
--- a/parser.h
+++ b/parser.h
@@ -5,7 +5,7 @@
   bf_new definitions
 */
 
-#define VERSION          "0.2.8"
+#define VERSION      "0.2.9-dev"
 #define FILESAVE      ".bf.save"
 
 #define MAX_ELEM        (256 /8)
diff --git a/signal.c b/signal.c
index 2e66828..3ea2d49 100644
--- a/signal.c
+++ b/signal.c
@@ -19,12 +19,9 @@ static ctx *p = NULL;
 }*/
 
 
-static void sig_handler(int signo) // use p to access data
+static void sig_handler(int signo) // use p to access whole ctx data
 {
-  // uses -USR1
   if(signo == SIGUSR1) p->work = DUMP; // dump the ctx, marking current item in charsets
-
-  // grab Ctrl-c
   if(signo == SIGINT ) p->work = INTR;
 }
 
@@ -33,9 +30,8 @@ void setup_signals(ctx *ctx)
 {
   p = ctx; // address p
 
-  if(ctx->out_m == QUIET) fprintf(stderr, "send 'kill -USR1 %d' from another terminal to dump\n", getpid());
-
-  if(signal(SIGUSR1, sig_handler) == SIG_ERR) fprintf(stderr, "\ncan't catch SIGUSR1\n");
+  if(ctx->out_m == QUIET) fprintf(stderr, "Send 'kill -USR1 %d' from another terminal to dump\n", getpid());
 
-  if(signal(SIGINT,  sig_handler) == SIG_ERR) fprintf(stderr, "\ncan't catch SIGINT\n");
+  if(signal(SIGUSR1, sig_handler) == SIG_ERR) fprintf(stderr, "\nCan't catch SIGUSR1\n");
+  if(signal(SIGINT,  sig_handler) == SIG_ERR) fprintf(stderr, "\nCan't catch SIGINT\n");
 }