Work on getting piping working

.idea/.name

+coms352_shell
\ No newline at end of file

main.c

@@ -40,6 +40,10 @@ int main() {
             exit(EXIT_SUCCESS);
         }
 
+        char *doMore = strchr(readBuff, '|');
+        if (doMore != NULL) {
+            readBuff = strtok(readBuff, "|");
+        }
         char **tokens = malloc(sizeof(char) * 5000);
         int numTokens = tokenize(readBuff, tokens);
         char *lastToken = tokens[numTokens - 2];
@@ -114,13 +118,29 @@ int main() {
         storeHist(readBuff, &historyPos, historyBuff);
 
         int runInBackground = 0;
+        int doMoreCheck = 0;
+        if (doMore != NULL) {
+            doMoreCheck = 1;
+        }
+
         if (strcmp(lastToken, "&") == TRUE) {
             runInBackground = 1;
             tokens[numTokens - 2] = NULL;
         }
 
+        int thePipe[2];
+        if (pipe(thePipe) != 0) {
+            fprintf(stderr, "Unable to create the pipe. Aborting.");
+            exit(EXIT_FAILURE);
+        }
         if (fork() == 0) {
+            if (doMoreCheck != 0) {
+                close(STDOUT_FILENO);
+                dup(thePipe[1]);
+                close(thePipe[0]);
+            }
             int returnCode = execvp(tokens[0], tokens);
+            close(thePipe[1]);
             if (returnCode == -1) {
                 fprintf(stdout, "bsh: Command not found\n");
             }
@@ -129,6 +149,21 @@ int main() {
                 wait(NULL);
             }
         }
+
+        // Do if more fork, otherwise short cricut and move on with life
+        if (doMoreCheck != 0 && fork() == 0) {
+            close(STDIN_FILENO);
+            dup(thePipe[0]);
+            close(thePipe[1]);
+            char* moreCmd[] = {"more"};
+            execvp(moreCmd[0], moreCmd);
+            close(thePipe[0]);
+            exit(EXIT_SUCCESS);
+        } else if (doMoreCheck != 0) {
+           // wait(NULL);
+        }
+
+
         free(tokens);
     }
 }

tokenize.c

@@ -7,7 +7,8 @@
 /// Takes in the user input and tokenizes it
 ///
 /// \param string user input
-/// \param output
+/// \param output tokens
+/// \param pipe does the command need to be piped to more
 /// \return number of tokens
 int tokenize(char *string, char **output) {
     // Make strtok thread safe
@@ -26,5 +27,7 @@ int tokenize(char *string, char **output) {
         output[i] = token;
         i++;
     }
+
+    // Return token count
     return i;
 }