* NEWS: printf supports the I flag.

* src/printf.c (print_formatted) [glibc 2.2 or later]: Likewise.

NEWS

@@ -15,6 +15,11 @@ GNU coreutils NEWS                                    -*- outline -*-
 
   df now considers BSD "kernfs" file systems to be dummies
 
+** New features
+
+  printf now supports the 'I' flag on hosts whose underlying printf
+  implementations support 'I', e.g., "printf %Id 2".
+
 ** Bug fixes
 
   cp --sparse preserves sparseness at the end of a file, even when

src/printf.c

@@ -517,6 +517,9 @@ print_formatted (const char *format, int argc, char **argv)
 	  for (;; f++, direc_length++)
 	    switch (*f)
 	      {
+#if (__GLIBC__ == 2 && 2 <= __GLIBC_MINOR__) || 3 <= __GLIBC__
+	      case 'I':
+#endif
 	      case '\'':
 		ok['a'] = ok['A'] = ok['c'] = ok['e'] = ok['E'] =
 		  ok['o'] = ok['s'] = ok['x'] = ok['X'] = 0;