From adc4064f08319ce7158f73e9c33932e3347b55c8 Mon Sep 17 00:00:00 2001
From: Samantha Boyer <sboyer@vm-10.cs.siue.edu>
Date: Sun, 23 Oct 2022 20:57:30 -0500
Subject: [PATCH] Added a redirect checker and started ioredirect function
---
src/Pish.c | 49 +++++++++++++++++++++++++++++++++++++++++++------
1 file changed, 43 insertions(+), 6 deletions(-)
diff --git a/src/Pish.c b/src/Pish.c
index e2cb4d1..45a0104 100644
--- a/src/Pish.c
+++ b/src/Pish.c
@@ -6,6 +6,32 @@
#include "Integrated.h"
#include "Pish.h"
+//checks if there is a special symbol for redirection
+int redirectCheck(char* command)
+{
+ int check;
+ if(strchr(str, '|') != NULL){
+ check = 1;
+ }
+ else if (strpbrk(str, ">>") != NULL){
+ check = 2;
+ }
+ else if (strchr(str, '>') != NULL){
+ check = 3;
+ }
+ else if (strchr(str, '<') != NULL){
+ check = 4;
+ }
+ else{
+ check = 0;
+}
+//i/o Redirection (void my need to be changed)
+void ioRedirect(int sym, char* command)
+{
+ // |1, >>2, >3, <4
+
+}
+
// Prints a prompt and then reads a command from the terminal
char* getInput(void)
{
@@ -29,18 +55,29 @@ void Pish(void)
{
char* command;
int retval;
+ int redirect;
+
while (1)
{
command = getInput();
//Parse command
- char* token = strtok(command, " ");
- while(token != NULL)
+ // Need to check for |,<,>,>>
+ //redirect = redirectCheck(command);
+ if (redirect > 0)
{
- //This only holds 1 command at a time then it overrides
- //Will need modified
- token = strtok(NULL, " ");
+ //ioRedirect(redirect, command);
}
-
+ else
+ {
+ char* token = strtok(command, " ");
+ while(token != NULL)
+ {
+ //This only holds 1 command at a time then it overrides
+ //Will need modified
+ token = strtok(NULL, " ");
+ }
+ {
+
IntegratedCheck(command);
retval = fork();
// Child