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"); |
|
//exit(EXIT_FAILURE); |
|
15 |
run_commands(stdin, "> "); |
run_commands(stdin, "> "); |
16 |
} |
} |
17 |
|
|
30 |
// echo first prompt |
// echo first prompt |
31 |
fprintf(stdout, "%s", prompt); |
fprintf(stdout, "%s", prompt); |
32 |
while (fgets(command, MAX_COMMAND_LENGTH, fp)) { |
while (fgets(command, MAX_COMMAND_LENGTH, fp)) { |
33 |
int command_length; |
char *command_ptr = command; |
34 |
|
|
35 |
// strip newlines |
// strip newlines |
36 |
chomp(command); |
chomp(command_ptr); |
37 |
|
|
38 |
|
// trim whitespace |
39 |
|
trim(&command_ptr); |
40 |
|
|
41 |
// ... and action |
// ... and action |
42 |
dispatch_command(command); |
if (strlen(command_ptr)) |
43 |
|
dispatch_command(command_ptr); |
44 |
|
|
45 |
// echo prompt after executing shell command |
// echo prompt after executing shell command |
46 |
fprintf(stdout, "%s", prompt); |
fprintf(stdout, "%s", prompt); |
84 |
} else { |
} else { |
85 |
//printf("running: %s\n", command); |
//printf("running: %s\n", command); |
86 |
command_length = strlen(command); |
command_length = strlen(command); |
87 |
if (command[command_length-1] == '&') { |
if (command[command_length-1] == '&' && command[command_length-2] == ' ') { |
88 |
command[command_length-1] = '\0'; |
command[command_length-1] = '\0'; |
89 |
|
command[command_length-2] = '\0'; |
90 |
background = TRUE; |
background = TRUE; |
91 |
} |
} |
92 |
|
|