rprintf(F,"-r, --recursive recurse into directories\n");
rprintf(F,"-R, --relative use relative path names\n");
rprintf(F,"-b, --backup make backups (default ~ extension)\n");
rprintf(F,"-r, --recursive recurse into directories\n");
rprintf(F,"-R, --relative use relative path names\n");
rprintf(F,"-b, --backup make backups (default ~ extension)\n");