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, "Interactive mode not implemented yet.\n"); |
15 |
//printf("No arguments given."); |
//exit(EXIT_FAILURE); |
16 |
exit(EXIT_FAILURE); |
run_commands(stdin, "> "); |
17 |
} |
} |
18 |
|
|
19 |
// scripting mode |
// scripting mode |
20 |
if (argc == 2) { |
if (argc == 2) { |
21 |
FILE * script = fopen(argv[1], "r"); |
FILE * script = fopen(argv[1], "r"); |
22 |
run_commands(script); |
run_commands(script, ""); |
23 |
fclose(script); |
fclose(script); |
24 |
} |
} |
25 |
} |
} |
26 |
|
|
27 |
void run_commands(FILE * fp) { |
void run_commands(FILE * fp, char * prompt) { |
28 |
|
|
29 |
char command[MAX_COMMAND_LENGTH]; |
char command[MAX_COMMAND_LENGTH]; |
30 |
|
|
31 |
|
// echo first prompt |
32 |
|
fprintf(stdout, "%s", prompt); |
33 |
while (fgets(command, MAX_COMMAND_LENGTH, fp)) { |
while (fgets(command, MAX_COMMAND_LENGTH, fp)) { |
34 |
int command_length; |
int command_length; |
35 |
|
|
38 |
|
|
39 |
// ... and action |
// ... and action |
40 |
dispatch_command(command); |
dispatch_command(command); |
41 |
|
|
42 |
|
// echo prompt after executing shell command |
43 |
|
fprintf(stdout, "%s", prompt); |
44 |
} |
} |
45 |
|
|
46 |
} |
} |