/[cvs]/joko/Uni/BSArch/03/win32/min_shell.c
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Diff of /joko/Uni/BSArch/03/win32/min_shell.c

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revision 1.11 by joko, Fri Jun 16 00:31:50 2006 UTC revision 1.13 by joko, Fri Jun 16 00:47:07 2006 UTC
# Line 11  int main(int argc, char * argv[]) { Line 11  int main(int argc, char * argv[]) {
11        
12    // interactive mode with prompt    // interactive mode with prompt
13    if (argc == 1) {    if (argc == 1) {
14      fprintf(stderr, "Interactive mode not implemented yet.\n");      fprintf(stderr, "Welcome to mini shell. Have fun!\n");
15      //printf("No arguments given.");      run_commands(stdin, "> ");
     exit(EXIT_FAILURE);  
16    }    }
17        
18    // scripting mode    // scripting mode
19    if (argc == 2) {    if (argc == 2) {
20      FILE * script = fopen(argv[1], "r");      FILE * script = fopen(argv[1], "r");
21      run_commands(script);      run_commands(script, "");
22      fclose(script);      fclose(script);
23    }    }
24  }  }
25    
26  void run_commands(FILE * fp) {  void run_commands(FILE * fp, char * prompt) {
27        
28    char command[MAX_COMMAND_LENGTH];    char command[MAX_COMMAND_LENGTH];
29        
30      // echo first prompt
31      fprintf(stdout, "%s", prompt);
32    while (fgets(command, MAX_COMMAND_LENGTH, fp)) {    while (fgets(command, MAX_COMMAND_LENGTH, fp)) {
33      int command_length;      int command_length;
34            
# Line 36  void run_commands(FILE * fp) { Line 37  void run_commands(FILE * fp) {
37            
38      // ... and action      // ... and action
39      dispatch_command(command);      dispatch_command(command);
40        
41        // echo prompt after executing shell command
42        fprintf(stdout, "%s", prompt);
43    }    }
44        
45  }  }
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