Redirect stdout using > sign to be able to execute a second command

Author: jstmm

.vscode/launch.json

@@ -1,30 +1,30 @@
 {
-	"version": "0.2.0",
 	"configurations": [
 		{
-			"name": "DEBUG",
-			"type": "cppdbg",
-			"request": "launch",
-			"program": "${workspaceFolder}/build/shell_cpp",
 			"args": [],
-			"stopAtEntry": false,
-			"cwd": "${fileDirname}",
+			"cwd": "${workspaceFolder}/build/",
 			"environment": [],
 			"externalConsole": false,
 			"MIMode": "gdb",
+			"name": "DEBUG",
+			"preLaunchTask": "BUILD",
+			"program": "${workspaceFolder}/build/shell_cpp",
+			"request": "launch",
 			"setupCommands": [
 				{
 					"description": "Enable pretty-printing for gdb",
-					"text": "-enable-pretty-printing",
-					"ignoreFailures": true
+					"ignoreFailures": true,
+					"text": "-enable-pretty-printing"
 				},
 				{
 					"description": "Set Disassembly Flavor to Intel",
-					"text": "-gdb-set disassembly-flavor intel",
-					"ignoreFailures": true
+					"ignoreFailures": true,
+					"text": "-gdb-set disassembly-flavor intel"
 				}
-			]
+			],
+			"stopAtEntry": false,
+			"type": "cppdbg"
 		}
-
-	]
+	],
+	"version": "0.2.0"
 }

.vscode/tasks.json

@@ -0,0 +1,21 @@
+{
+	"tasks": [
+		{
+			"args": [],
+			"command": "./BUILD.sh",
+			"group": {
+				"isDefault": true,
+				"kind": "build"
+			},
+			"label": "BUILD",
+			"options": {
+				"cwd": "${workspaceFolder}"
+			},
+			"problemMatcher": [
+				"$gcc"
+			],
+			"type": "cppbuild"
+		}
+	],
+	"version": "2.0.0"
+}

compile.sh renamed to BUILD.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 set -e
 
 cmake -B build -S . -DCMAKE_TOOLCHAIN_FILE=${VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake

CMakeLists.txt

@@ -4,6 +4,10 @@ project(shell-cpp)
 set(CMAKE_CXX_STANDARD 23)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE Debug CACHE STRING "Build type" FORCE)
+endif()
+
 file(GLOB_RECURSE SOURCE_FILES src/*.cc include/*.hh)
 add_executable(shell_cpp ${SOURCE_FILES})
 

README.md

@@ -1,5 +1,16 @@
 # Shell
 
-Shell capable of interpreting shell commands, running external programs and builtin commands like echo, type, pwd, cd
+Shell capable of interpreting shell commands, running external programs and builtin commands like echo, type, pwd, cd, redirect stdout (>)
+
+---
+
+### Prerequisites
+
+- GCC
+- CMake
+
+### Instructions
 
 `$ exit` to leave
+
+TODO...

run.sh renamed to RUN.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 set -e
 
 exec ./build/shell_cpp "$@"

test.sh renamed to TEST.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 set -e
 
 ctest --test-dir build

include/shell.hh

@@ -4,17 +4,29 @@
 
 #include <filesystem>
 #include <iostream>
-#include <vector>
-#include <print>
+#include <numeric>
 #include <ranges>
+#include <string>
+#include <vector>
 
 namespace fs = std::filesystem;
 
-struct Command
+struct Input
 {
     std::string_view original_input;
-    std::string executable;
+    std::string command;
     std::string arguments;
+    std::vector<std::string> args;
 };
 
 bool processInput(std::string input);
+
+Input _parseInput(const std::string_view &input);
+std::string _searchExecutable(const std::string &exec_name, const std::string &env_p);
+std::string _echoResult(const std::string &params);
+std::string _typeResult(const std::string &args, const std::string &env_p);
+std::string _changeDirectoryResult(const std::string &exec, const std::string &args);
+char _nextCharacter(const char &ch);
+bool _isExcapableCharacter(const char &ch);
+std::string join_args(const std::vector<std::string> &vec, const std::string &delimiter);
+std::vector<std::string> sliceVector(const std::vector<std::string> &vec);

src/main.cc

@@ -10,7 +10,7 @@ int main()
         std::cerr << std::unitbuf;
 
         std::string input;
-        std::print("$ ");
+        std::cout << "$ ";
         std::getline(std::cin, input);
 
         running = processInput(input);