diff --git a/src/main.c b/src/main.c
index 3040f3a..21a87fe 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,10 +1,52 @@
 #include "lexer/lexer.h"
 #include <stdio.h>
 
-int main() {
-    ResultType(SolsLexer, charptr) lexer = createLexer("fds \"");
+char* getFileContents(const char* filename) {
+    // https://stackoverflow.com/questions/3747086/reading-the-whole-text-file-into-a-char-array-in-c
+    FILE* fp;
+    long lSize;
+    char* file;
+
+    fp = fopen(filename, "rb");
+    if (!fp) {
+        perror(filename);
+        exit(1);
+    }
+
+    fseek(fp, 0L, SEEK_END);
+    lSize = ftell(fp);
+    rewind(fp);
+
+    file = calloc(1, lSize + 1);
+    if (!file) {
+        fclose(fp);
+        fputs("memory allocation fail when reading file", stderr);
+        exit(1);
+    }
+
+    if (1!=fread(file, lSize, 1, fp)) {
+        fclose(fp);
+        free(file);
+        fputs("couldn't read entire file", stderr);
+        exit(1);
+    }
+
+    // we done
+    fclose(fp);
+
+    return file;
+}
+
+int main(int argc, char** argv) {
+    if (argc < 2) {
+        printf("Usage: %s [file]\n", argv[0]);
+        exit(1);
+    }
+    char* fileContents = getFileContents(argv[1]);
+    ResultType(SolsLexer, charptr) lexer = createLexer(fileContents);
     if (lexer.error) {
         printf("Error while creating lexer: %s", lexer.as.error);
+        exit(1);
     }
     ResultType(voidptr, charptr) lexed = lex(&lexer.as.success);
     if (lexed.error) {
diff --git a/test.sols b/test.sols
new file mode 100644
index 0000000..b189af3
--- /dev/null
+++ b/test.sols
@@ -0,0 +1,5 @@
+puts "dinglefart"
+
+if 3 == 3 {
+    puts "3 is 3 lmao"
+}