+ nb_groups = 0;
+ previous_progress = -1;
+ nb_nodes = 0;
+ list1_length = file_list_length(list1);
+
+ if(not_in) {
+ for(node1 = list1; node1; node1 = node1->next) {
+ print_progress(list1_length, nb_nodes, &previous_progress);
+ nb_nodes++;
+
+ found = 0;
+
+ for(node2 = list2; !found && node2; node2 = node2->next) {
+ if(same_files(node1, node2, buffer1, buffer2)) {
+ found = 1;
+ }
+ }
+
+ if(!found) {
+ if(show_realpaths) {
+ printf("%s\n", realpath(node1->filename, 0));
+ } else {
+ printf("%s\n", node1->filename);
+ }
+ }
+ }
+
+ } else {
+ for(node1 = list1; node1; node1 = node1->next) {
+ print_progress(list1_length, nb_nodes, &previous_progress);
+ nb_nodes++;
+
+ for(node2 = list2; node2; node2 = node2->next) {
+ if(node1->group_id < 0 || node2->group_id < 0) {
+ if(same_files(node1, node2, buffer1, buffer2)) {
+ if(node1->group_id < 0) {
+ if(node2->group_id >= 0) {
+ node1->group_id = node2->group_id;
+ } else {
+ node1->group_id = nb_groups;
+ node1->dir_id = 1;
+ nb_groups++;
+ }
+ }
+ if(node2->group_id < 0) {
+ node2->group_id = node1->group_id;
+ node2->dir_id = 2;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ if(show_progress) {
+ fprintf(stderr, "\n");
+ }
+
+ if(dirname2) {
+ print_result(list1, list2);
+ file_list_delete(list1);
+ file_list_delete(list2);
+ } else {
+ print_result(list1, 0);
+ file_list_delete(list1);
+ }
+
+ free(buffer1);
+ free(buffer2);
+}
+
+void print_help(FILE *out) {
+ fprintf(out, "Usage: finddup [OPTION]... DIR1 [[and:|not:]DIR2]\n");
+ fprintf(out, "Version %s (%s)\n", VERSION_NUMBER, UNAME);
+ fprintf(out, "Without DIR2, lists duplicated files found in DIR1. With DIR2, lists files common to both directories. With the not: prefix, lists files found in DIR1 which do not exist in DIR2. The and: prefix is the default and should be used only if you have a directory starting with 'not:'\n");
+ fprintf(out, "\n");
+ fprintf(out, " -h show this help\n");
+ fprintf(out, " -d ignore dot files and directories\n");
+ fprintf(out, " -0 ignore empty files\n");
+ fprintf(out, " -c do not show which files in DIR2 corresponds to those in DIR1\n");
+ fprintf(out, " -g do not show the file groups\n");
+ fprintf(out, " -p show progress\n");
+ fprintf(out, " -r show the real file paths\n");
+ fprintf(out, " -i consider files with same inode as different\n");
+ fprintf(out, "\n");
+ fprintf(out, "Report bugs and comments to <francois@fleuret.org>\n");