#!/bin/bash
# timeout.sh

# Stephane Chazelas ÀÛ¼º.
# ÀÌ ¹®¼­ÀÇ ÀúÀÚ°¡ ¼öÁ¤.

INTERVAL=5                # ŸÀӾƿô ÀÎÅ͹ú

timedout_read() {
  timeout=$1
  varname=$2
  old_tty_settings=`stty -g`
  stty -icanon min 0 time ${timeout}0
  eval read $varname      # ¾Æ´Ï¸é ±×³É     read $varname
  stty "$old_tty_settings"
  # "stty" ¸Ç ÆäÀÌÁö ÂüÁ¶.
}

echo; echo -n "À̸§ÀÌ ¹¹ÁÒ? »¡¸® ´ë´äÇØ¿ä! "
timedout_read $INTERVAL your_name

# ¸ðµç Å͹̳ΠŸÀÔ¿¡¼­ µ¿ÀÛÇÏÁö ¾ÊÀ» ¼öµµ ÀÖ½À´Ï´Ù.
# ÃÖ´ë ŸÀӾƿôÀº ¾î¶² Å͹̳ÎÀ̳Ŀ¡ ´Þ·ÁÀÖ½À´Ï´Ù.
# (º¸ÅëÀº 25.5 ÃÊ).

echo

if [ ! -z "$your_name" ]  # ŸÀӾƿô Àü¿¡ ÀÔ·ÂÀÌ ÀÖ´Ù¸é...
then
  echo "¾ÆÇÏ, À̸§ÀÌ $your_name ±º¿ä."
else
  echo "ŸÀӾƿô."
fi

echo

# ÀÌ ½ºÅ©¸³Æ®´Â "timed-input.sh" ½ºÅ©¸³Æ®¿Í ¾à°£ ´Ù¸£°Ô µ¿ÀÛÇϴµ¥,
# Å°°¡ ´­¸± ¶§¸¶´Ù ŸÀӾƿô Ä«¿îÅÍ°¡ ¸®¼ÂµË´Ï´Ù.

exit 0