C implementation

tabs.c

@@ -0,0 +1,32 @@
+// takes in a file, replaces tabs with four spaces
+
+/*
+  TODO
+  - improve the repeated putchar(' ');
+  - use stdin instead of a file for input
+  - error handling...
+
+  PULL REQUESTS ARE WELCOME!
+ */
+
+#include <stdio.h>
+
+int main() {
+  File *fp;
+  int c;
+  fp = fopen("input.txt", "R");
+
+  while ((c = fgetc(fp)) != EOF) {
+    if (c == '\t') {
+      putchar(' ');
+      putchar(' ');
+      putchar(' ');
+      putchar(' ');
+    } else {
+      putchar(c);
+    }
+  }
+
+  fclose(fp);
+  return 0;
+}