Add ~ home dir shortcut

src/main.cpp

@@ -5,6 +5,8 @@
 #include <filesystem>
 #include <unistd.h>
 #include <sys/wait.h>
+#include <sys/types.h>
+#include <pwd.h>
 #include <cstring>
 
 using namespace std;
@@ -47,6 +49,12 @@ string findExecutable(string executable) {
     return output;
 }
 
+string getHomeDir() {
+    struct passwd* pw = getpwuid(getuid());
+    if (pw && pw->pw_dir) return string(pw->pw_dir);
+    return "";
+}
+
 vector<string> tokenise(string input) {
     vector<string> output;
     string currentArg;
@@ -54,6 +62,8 @@ vector<string> tokenise(string input) {
         if (input[i] == ' ' && !currentArg.empty()) {
             output.push_back(currentArg);
             currentArg.clear();
+        } else if (input[i] == '~') {
+            currentArg += getHomeDir();
         } else {
             currentArg += input[i];
         }