1 files changed, 9 insertions, 0 deletions
diff --git a/strip.c b/strip.c
new file mode 100644
index 0000000..32b0685
--- /dev/null
+++ b/strip.c
@@ -0,0 +1,9 @@
+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+    int c;
+    while((c = getchar()) != EOF)
+        if(isdigit(c) || c == '\n')
+            putchar(c);
+}