X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/c4510182f3c02e390184bee518940e325f064b20..6d75e31596b5ac2e638c8a31c6c2185ee4053b6b:/lunaix-os/kernel/demos/simple_sh.c?ds=sidebyside

diff --git a/lunaix-os/kernel/demos/simple_sh.c b/lunaix-os/kernel/demos/simple_sh.c
index 8243ae1..195117a 100644
--- a/lunaix-os/kernel/demos/simple_sh.c
+++ b/lunaix-os/kernel/demos/simple_sh.c
@@ -8,6 +8,7 @@
 #include <ulibc/stdio.h>
 
 char pwd[512];
+char cat_buf[1024];
 
 /*
     Simple shell - (actually this is not even a shell)
@@ -55,6 +56,9 @@ sh_printerr()
         case ENOMEM:
             printf("Error: Out of memory\n");
             break;
+        case EISDIR:
+            printf("Error: This is a directory\n");
+            break;
         default:
             printf("Error: Fail to open (%d)\n", errno);
             break;
@@ -71,7 +75,7 @@ sh_main()
 
     while (1) {
         getcwd(pwd, 512);
-        printf("%s$ ", pwd);
+        printf("[\033[2m%s\033[39;49m]$ ", pwd);
         size_t sz = read(stdin, buf, 512);
         if (sz < 0) {
             printf("fail to read user input (%d)\n", geterrno());
@@ -102,6 +106,23 @@ sh_main()
 
                 close(fd);
             }
+        } else if (streq(cmd, "cat")) {
+            int fd = open(argpart, 0);
+            if (fd < 0) {
+                sh_printerr();
+            } else {
+                int sz;
+                while ((sz = read(fd, cat_buf, 1024)) == 1024) {
+                    write(stdout, cat_buf, 1024);
+                }
+                if (sz < 0) {
+                    sh_printerr();
+                } else {
+                    write(stdout, cat_buf, sz);
+                }
+                close(fd);
+                printf("\n");
+            }
         } else {
             printf("unknow command");
         }