Set ouptus as options

@@ -7,36 +7,36 @@
 #include <unistd.h>
 #include <unistd.h>
 
 
 int main(int argc, char **argv){
 int main(int argc, char **argv){
-	blc_channel input, output1, output2;
-	char const  *output_name1, *output_name2, *input_name;
+    blc_channel input, output1, output2;
+    char const  *output_name1, *output_name2, *input_name;
 
 
-	blc_program_set_description("Duplicate a channel");
-	blc_program_add_parameter(&input_name, "blc_channel-in", 1, "input channel to split", NULL);
-    blc_program_add_parameter(&output_name1, "blc_channel-out", 1, "first copy of input", NULL);
-    blc_program_add_parameter(&output_name2, "blc_channel-out", 1, "second_copy of input", NULL);
+    blc_program_set_description("Duplicate a channel");
+    blc_program_add_option(&output_name1,'1', "output1",  "blc_channel-out", "first copy of input", NULL);
+    blc_program_add_option(&output_name2, '2', "output2", "blc_channel-out", "second_copy of input", NULL);
+    blc_program_add_parameter(&input_name, "blc_channel-in", 1, "input channel to split", NULL);
 
 
     blc_program_init(&argc, &argv, blc_quit);
     blc_program_init(&argc, &argv, blc_quit);
 
 
-	input.open(input_name, BLC_CHANNEL_READ);
-	blc_loop_try_add_waiting_semaphore(input.sem_new_data);
-	blc_loop_try_add_posting_semaphore(input.sem_ack_data);
+    if (output_name1==NULL) EXIT_ON_ERROR("You need option -1 <name of output channel>");
+    if (output_name2==NULL) EXIT_ON_ERROR("You need option -2 <name of output channel>");
 
 
+    input.open(input_name, BLC_CHANNEL_READ);
+    blc_loop_try_add_waiting_semaphore(input.sem_new_data);
+    blc_loop_try_add_posting_semaphore(input.sem_ack_data);
     
     
+
     output1.create_or_open(output_name1, BLC_CHANNEL_WRITE, input.type, input.format, input.dims_nb, input.dims);
     output1.create_or_open(output_name1, BLC_CHANNEL_WRITE, input.type, input.format, input.dims_nb, input.dims);
-   
     output2.create_or_open(output_name2, BLC_CHANNEL_WRITE, input.type, input.format, input.dims_nb, input.dims);
     output2.create_or_open(output_name2, BLC_CHANNEL_WRITE, input.type, input.format, input.dims_nb, input.dims);
     
     
 	
 	
-	BLC_COMMAND_LOOP(0){
-        if (output1.sem_ack_data) sem_wait(output1.sem_ack_data);
-        memcpy(output1.data, input.data, output1.size);
-        if (output1.sem_new_data) sem_post(output1.sem_new_data);
-        
-            
-        if (output2.sem_ack_data) sem_wait(output2.sem_ack_data);
-        memcpy(output2.data, input.data, output2.size);
-        if (output2.sem_new_data) sem_post(output2.sem_new_data);
-
+    BLC_COMMAND_LOOP(0){
+       if (output1.sem_ack_data) sem_wait(output1.sem_ack_data);
+       memcpy(output1.data, input.data, output1.size);
+       if (output1.sem_new_data) sem_post(output1.sem_new_data);
+                
+       if (output2.sem_ack_data) sem_wait(output2.sem_ack_data);
+       memcpy(output2.data, input.data, output2.size);
+       if (output2.sem_new_data) sem_post(output2.sem_new_data);
     }
     }
-	return EXIT_SUCCESS;
+   return EXIT_SUCCESS;
 }
 }