1 files changed, 5 insertions, 5 deletions

diff --git a/02_exercise/shell.c b/02_exercise/shell.c
index f456465..d1e52ec 100644
--- a/02_exercise/shell.c
+++ b/02_exercise/shell.c
@@ -28,19 +28,20 @@ int main(void) {
         }
 
         if (strspn(line, " \n\t") == strlen(line)) {
+            // skip empty lines - empty being just spaces or tabs
             continue;
         }
 
         line[length - 1] = '\0'; // cut the line feed
 
-        Process * processes = NULL;
+        process *processes = NULL;
         parse_line(line, &processes);
 
         if (strcmp(processes[0].argv[0], "cd") == 0) {
-
-            if(arrayLen(processes) != 1) {
+            if (arrayLen(processes) != 1) {
                 perror("Can't chain cd with other processes");
             }
+
             if (arrayLen(processes[0].argv) != 3) {
                 fprintf(stderr, "usage: cd <path>");
                 goto clean;
@@ -57,9 +58,8 @@ int main(void) {
         } else if (strcmp(processes[0].argv[0], "exit") == 0) {
             done = true;
         } else {
-            int ret;
             for (size_t i = 0; i < arrayLen(processes); ++i) {
-                ret = exec_command(processes[i]);
+                int ret = exec_command(processes[i]);
                 if (ret)
                     printf("[%i] ", ret);
             }