view runtime/tools/blink.c @ 19788:ebff027f7a7f

Added tag v8.2.0450 for changeset 906269bf83d5a750ef55d61752bc233a5f75f360
author Bram Moolenaar <Bram@vim.org>
date Thu, 26 Mar 2020 14:15:04 +0100
parents 64035abb986b
children
line wrap: on
line source

/*
 * An extremely simple program to make the cursor blink in an xterm.
 * This is useful when the cursor is hard to spot in a highlighted file.
 * Start in the background: "blink&"  Stop by killing it.
 * Bram Moolenaar  980109  (based on an idea from John Lange).
 */

#include <stdio.h>
#include <unistd.h>

	int
main(void)
{
	while (1)
	{
		printf("\e[?25h");
		fflush(stdout);
		usleep(400000);		/* on time */
		printf("\e[?25l");
		fflush(stdout);
		usleep(250000);		/* off time */
	}
	return 0;
}