new: tool that turns a file into a valid C string

tools/file_to_string.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+import argparse
+
+
+def c_escape_byte(b):
+    if b == 0x09:
+        return r'\t'
+    elif b == 0x0A:
+        return r'\n'
+    elif b == 0x0D:
+        return r'\r'
+    elif b == 0x5C:  # \
+        return r'\\'
+    elif b == 0x22:  # "
+        return r'\"'
+    elif 0x20 <= b <= 0x7E:
+        return chr(b)
+    elif b == 0x25:  # %
+        return '%%'
+    else:
+        return f'\\x{b:02x}'
+
+
+def file_to_c_string(filepath):
+    with open(filepath, 'rb') as f:
+        content = f.read()
+    escaped = ''.join(c_escape_byte(b) for b in content)
+    return f'"{escaped}"'
+
+
+def main():
+    parser = argparse.ArgumentParser(
+        description='Convert file contents to a valid C string literal.')
+    parser.add_argument('input', help='Path to input file')
+    args = parser.parse_args()
+
+    c_string = file_to_c_string(args.input)
+    print(c_string)
+
+
+if __name__ == '__main__':
+    main()