wmtools/i3bar_pingclock.nim

import std/os
import std/osproc
import std/re
import strutils
import i3bar_base

const host: string = "8.8.8.8"
const cmd: string = "ping -c 1 " & host
const time_secs: int = 4

let ping_re = re(r"time=[0-9.]+\sms")

proc get_pingms(): string =
  let cmdOut = execCmdEx(cmd)
  let lines = splitLines(cmdOut.output) 
  let ping_line = lines[1]
  let bounds = findBounds(ping_line, ping_re)
  if bounds.first > 0:
    let ping = ping_line[bounds.first+5..bounds.last]
    return "🏓 " & ping
  return "❌ No Pong"

proc getObject(ping: string): i3barData =
  let data = i3barData(
    full_text: ping,
    color: foreground,
    border: lightblue,
  )
  return data


proc main() =
  var last_ping = ""
  while true:
    let ping = get_pingms()
    if ping != last_ping:
      let data = getObject(ping)
      outputJSON(data)
      last_ping = ping

    sleep(time_secs * 1000)

main()