diff --git a/xorriso/xorriso.c b/xorriso/xorriso.c
index d41db90d..7b245666 100644
--- a/xorriso/xorriso.c
+++ b/xorriso/xorriso.c
@@ -599,6 +599,50 @@ int Sfile_scale(double value, char *result, int siz, double thresh, int flag)
 }
 
 
+int Sfile_off_t_text(char text[80], off_t num, int flag)
+{
+ char *tpt;
+ off_t hnum, scale= 1;
+ int digits= 0, d, i;
+
+ tpt= text;
+ hnum= num;
+ if(hnum<0) {
+   *(tpt++)= '-';
+   hnum= -num;
+ }
+ if(hnum<0) { /* it can stay nastily persistent */
+   strcpy(text, "_overflow_");
+   return(0);
+ }
+ for(i= 0; i<23; i++) { /* good for up to 70 bit = 10 exp 21.07... */
+   if(hnum==0)
+ break;
+   hnum/= 10;
+   if(hnum)
+     scale*= 10;
+ }
+ if(i==0) {
+   strcpy(text, "0");
+   return(1);
+ }
+ if(i==23) {
+   strcpy(text, "_overflow_");
+   return(0);
+ }
+ digits= i;
+ hnum= num;
+ for(; i>0; i--) {
+   d= hnum/scale;
+   tpt[digits-i]= '0'+d;
+   hnum= hnum%scale;
+   scale/= 10;
+ }
+ tpt[digits]= 0;
+ return(1);
+}
+
+
 int Sfile_destroy_argv(int *argc, char ***argv, int flag)
 {
  int i;
@@ -2856,6 +2900,27 @@ int Splitpart__parse(char *name, int *partno, int *total_parts,
 }
 
 
+int Splitpart__compose(char *adr, int partno, int total_parts,
+                       off_t offset, off_t bytes, off_t total_bytes, int flag)
+{
+ sprintf(adr, "part_%d_of_%d_at_", partno, total_parts);
+ if((offset % (1024*1024))==0 && offset>0) {
+   Sfile_off_t_text(adr+strlen(adr), offset / (1024*1024), 0);
+   strcat(adr, "m");
+ } else
+   Sfile_off_t_text(adr+strlen(adr), offset, 0);
+ strcat(adr, "_with_"); 
+ if((bytes % (1024*1024))==0) {
+   Sfile_off_t_text(adr+strlen(adr), bytes / (1024*1024), 0);
+   strcat(adr, "m");
+ } else
+   Sfile_off_t_text(adr+strlen(adr), bytes, 0);
+ strcat(adr, "_of_");
+ Sfile_off_t_text(adr+strlen(adr), total_bytes, 0);
+ return(1);
+}
+
+
 /* ---------------------------- End SplitparT ------------------------- */
 
 /* ------------------------------- Xorriso -------------------------------- */
@@ -7525,14 +7590,14 @@ int Xorriso_update_interpreter(struct XorrisO *xorriso, void *boss_iter,
                                int compare_result, char *disk_path,
                                char *iso_rr_path, int flag)
 {
- int ret, deleted= 0, is_split= 0, i;
+ int ret, deleted= 0, is_split= 0, i, loop_count;
  char sfe[5*SfileadrL];
  struct stat stbuf;
  struct SplitparT *split_parts= NULL;
  int split_count= 0;
  char part_path[SfileadrL], *part_name;
- int partno, total_parts;
- off_t offset, bytes, total_bytes;
+ int partno, total_parts, new_total_parts;
+ off_t offset, bytes, total_bytes, disk_size, first_bytes;
 
  if(compare_result&((1<<11)|(1<<13))) {
    /* cannot open regular disk file, early eof of disk file */
@@ -7546,7 +7611,7 @@ int Xorriso_update_interpreter(struct XorrisO *xorriso, void *boss_iter,
  is_split= !!(compare_result & (1<<17));
 
  /* <<< */
- if(is_split) {
+ if(0 && is_split) {
    sprintf(xorriso->info_text, "Split file cannot be updated yet: %s\n",
            Text_shellsafe(iso_rr_path, sfe, 0));
    Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "WARNING", 1);
@@ -7567,12 +7632,8 @@ int Xorriso_update_interpreter(struct XorrisO *xorriso, void *boss_iter,
    sprintf(xorriso->info_text, "Deleted and re-added ");
 
  } else if(compare_result&(1)) {
+delete:;
    /* disk_adr not existing */
-
-   /* ??? SPLIT : Shall i recognize a splitfile without disk file ?
-                  Does it make any difference ?
-   */
-
    ret= Xorriso_rmi(xorriso, boss_iter, (off_t) 0, iso_rr_path, 1);
    deleted= 1;
    sprintf(xorriso->info_text, "Deleted ");
@@ -7587,31 +7648,58 @@ int Xorriso_update_interpreter(struct XorrisO *xorriso, void *boss_iter,
                                  &split_parts, &split_count, &stbuf, 0);
      if(ret<=0)
        {ret= -1; goto ex;}  /* (should not happen) */
-     for(i= 0; i<split_count; i++) {
-       Splitparts_get(split_parts, i, &part_name, &partno, &total_parts,
-                     &offset, &bytes, &total_bytes, 0);
-       strcpy(part_path, iso_rr_path);
-       if(Sfile_add_to_path(part_path, part_name, 0)<=0) {
-         Xorriso_much_too_long(xorriso,
-                               strlen(iso_rr_path)+strlen(part_path)+1, 2);
-         {ret= -1; goto ex;}
-       }
+     ret= lstat(disk_path, &stbuf);
+     if(ret==-1)
+       goto delete;
+     disk_size= stbuf.st_size;
+     Splitparts_get(split_parts, 0, &part_name, &partno, &total_parts,
+                    &offset, &first_bytes, &total_bytes, 0);
+     new_total_parts= disk_size/first_bytes;
+     if(disk_size % first_bytes)
+       new_total_parts++;
 
-       /* Delete old part, just in case the name changes */
-       ret= Xorriso_rmi(xorriso, NULL, (off_t) 0, part_path, 1);
-       if(ret<=0)
-         goto ex;
-       /* overwrite by new parts resp. delete from directory */
+     loop_count= split_count;
+     /* If disk file grew over part limit and all parts are present:
+        add new parts */
+     if(new_total_parts > total_parts && split_count == total_parts)
+       loop_count= new_total_parts;
+
+     for(i= 0; i<loop_count; i++) {
+       if(i<split_count) {
+         /* Delete old part */
+         Splitparts_get(split_parts, i, &part_name, &partno, &total_parts,
+                       &offset, &bytes, &total_bytes, 0);
+         strcpy(part_path, iso_rr_path);
+         if(Sfile_add_to_path(part_path, part_name, 0)<=0) {
+           Xorriso_much_too_long(xorriso,
+                                 strlen(iso_rr_path)+strlen(part_path)+1, 2);
+           {ret= -1; goto ex;}
+         }
+         ret= Xorriso_rmi(xorriso, NULL, (off_t) 0, part_path, 1);
+         if(ret<=0)
+           goto ex;
+       } else {
+         partno= i+1;
+         offset= i*first_bytes;
+       }
+       if(disk_size<=offset)
+     continue;
+       /* Insert new part */
+       if(strlen(part_path)+160>SfileadrL) {
+         Xorriso_much_too_long(xorriso, strlen(part_path)+160, 2);
+         ret= 0; goto ex;
+       }
+       Splitpart__compose(part_path+strlen(iso_rr_path)+1, partno,
+                          new_total_parts, offset, first_bytes, disk_size, 0);
        ret= Xorriso_graft_in(xorriso, boss_iter, disk_path, part_path,
-                             offset, bytes, 2|(flag&4));
+                             offset, bytes, 2|(flag&4)|8);
        if(ret<=0)
          goto ex;
      }
-
-     /* >>> ??? if disk file grew over part limit : add part ? */;
-
-     /* >>> copy file attributes to iso_rr_path */;
-
+     /* Copy file attributes to iso_rr_path, augment r-perms by x-perms */
+     ret= Xorriso_copy_properties(xorriso, disk_path, iso_rr_path, 2); 
+     if(ret<=0)
+       goto ex;
    } else 
      ret= Xorriso_graft_in(xorriso, boss_iter, disk_path, iso_rr_path,
                            (off_t) 0, (off_t) 0, 2|(flag&4));
@@ -7638,9 +7726,10 @@ int Xorriso_update_interpreter(struct XorrisO *xorriso, void *boss_iter,
        if(ret<=0)
          goto ex;
      }
-
-     /* >>> copy file attributes to iso_rr_path */;
-
+     /* Copy file attributes to iso_rr_path, augment r-perms by x-perms */
+     ret= Xorriso_copy_properties(xorriso, disk_path, iso_rr_path, 2); 
+     if(ret<=0)
+       goto ex;
    } else
      ret= Xorriso_copy_properties(xorriso, disk_path, iso_rr_path, 0); 
    sprintf(xorriso->info_text, "Adjusted attributes of ");
@@ -8547,7 +8636,7 @@ ex:;
 }
 
 
-/* >>> SPLIT : proposed target format
+/* SPLIT : proposed target format
 
    part_{partno}_of_{total_parts}_at_{offset}_with_{bytes}_of_{total_bytes}
 */
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 77f2c874..5e9762f1 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2008.03.26.092120"
+#define Xorriso_timestamP "2008.03.27.103344"
diff --git a/xorriso/xorrisoburn.c b/xorriso/xorrisoburn.c
index 9728515a..a3d37f6d 100644
--- a/xorriso/xorrisoburn.c
+++ b/xorriso/xorrisoburn.c
@@ -1358,10 +1358,23 @@ int Xorriso_get_node_by_path(struct XorrisO *xorriso,
 }
 
 
+/* @param flag bit0= give directory x-permission where is r-permission
+*/
 int Xorriso_transfer_properties(struct XorrisO *xorriso, struct stat *stbuf,
                                 IsoNode *node, int flag)
 {
- iso_node_set_permissions(node, stbuf->st_mode & 07777);
+ mode_t mode;
+
+ mode= stbuf->st_mode;
+ if((flag&1) && S_ISDIR(mode)) {
+   if(mode&S_IRUSR)
+     mode|= S_IXUSR;
+   if(mode&S_IRGRP)
+     mode|= S_IXGRP;
+   if(mode&S_IROTH)
+     mode|= S_IXOTH;
+ }
+ iso_node_set_permissions(node, mode & 07777);
  iso_node_set_uid(node, stbuf->st_uid);
  iso_node_set_gid(node, stbuf->st_gid);
  iso_node_set_atime(node, stbuf->st_atime);
@@ -1699,6 +1712,8 @@ int Xorriso_copy_implict_properties(struct XorrisO *xorriso, IsoDir *dir,
    strcpy(nfd, "/");
  if(stat(nfd, &stbuf)==-1)
    return(0);
+
+#ifdef NIX
  if((flag&1) && d==0) {
    /* give directory x-permission where is r-permission */
    if(stbuf.st_mode&S_IRUSR)
@@ -1708,7 +1723,12 @@ int Xorriso_copy_implict_properties(struct XorrisO *xorriso, IsoDir *dir,
    if(stbuf.st_mode&S_IROTH)
      stbuf.st_mode|= S_IXOTH;
  }
- Xorriso_transfer_properties(xorriso, &stbuf, (IsoNode *) dir, 0);
+ Xorriso_transfer_properties(xorriso, &stbuf, (IsoNode *) dir, flag&1);
+#else
+ Xorriso_transfer_properties(xorriso, &stbuf, (IsoNode *) dir,
+                             ((flag&1) && d==0));
+#endif /* ! NIX */
+
  sprintf(xorriso->info_text,
          "Copied properties for %s", Text_shellsafe(ni, sfe, 0));
  sprintf(xorriso->info_text+strlen(xorriso->info_text),
@@ -1720,6 +1740,7 @@ int Xorriso_copy_implict_properties(struct XorrisO *xorriso, IsoDir *dir,
 
 
 /* @param bit0= copy link target properties rather than link properties
+          bit1= give directory x-permission where is r-permission
 */
 int Xorriso_copy_properties(struct XorrisO *xorriso,
                             char *disk_path, char *img_path, int flag)
@@ -1733,7 +1754,7 @@ int Xorriso_copy_properties(struct XorrisO *xorriso,
    return(ret);
  if(lstat(disk_path, &stbuf)==-1)
    return(0);
- Xorriso_transfer_properties(xorriso, &stbuf, node, 0);
+ Xorriso_transfer_properties(xorriso, &stbuf, node, (flag&2)>>1);
  xorriso->volset_change_pending= 1;
  return(1);
 }
@@ -4677,7 +4698,7 @@ int Xorriso_identify_split(struct XorrisO *xorriso, char *iso_adr,
 {
  int ret, i;
  int partno, total_parts, first_total_parts= -1;
- off_t offset, bytes, total_bytes, first_total_bytes= -1, size;
+ off_t offset, bytes, total_bytes, first_total_bytes= -1, first_bytes, size;
  IsoImage *volume;
  IsoDir *dir_node;
  IsoDirIter *iter= NULL;
@@ -4713,25 +4734,26 @@ cannot_iter:;
      {ret= 0; goto ex;}
    if(i==0) {
      first_total_parts= total_parts;
+     first_bytes= bytes;
      first_total_bytes= total_bytes;
      Xorriso_fake_stbuf(xorriso, "", &first_stbuf, &node, 1);
      size= first_stbuf.st_size;
    } else {
-     if(first_total_parts!=total_parts || first_total_bytes!=total_bytes)
+     if(first_total_parts!=total_parts || first_total_bytes!=total_bytes ||
+        (first_bytes!=bytes && partno!=total_parts))
        {ret= 0; goto ex;}
      Xorriso_fake_stbuf(xorriso, "", &stbuf, &node, 1);
      if(first_stbuf.st_mode != stbuf.st_mode ||
         first_stbuf.st_uid != stbuf.st_uid ||
         first_stbuf.st_gid != stbuf.st_gid ||
         first_stbuf.st_mtime != stbuf.st_mtime ||
-        first_stbuf.st_ctime != stbuf.st_ctime ||
-        first_stbuf.st_atime != stbuf.st_atime)
+        first_stbuf.st_ctime != stbuf.st_ctime)
        {ret= 0; goto ex;} 
      size= stbuf.st_size;
    }
    /* check for plausible size */
    if(!((partno<total_parts && size==bytes) ||
-        (partno==total_parts && size==(total_bytes-offset) && size<=bytes)))
+        (partno==total_parts && size<=bytes)))
      {ret= 0; goto ex;} 
    (*count)++;
  }