#!/bin/bash
# wh-loopc.sh: "while" ·çÇÁ¿¡¼­ 10±îÁö ¼¼±â.

LIMIT=10
a=1

while [ "$a" -le $LIMIT ]
do
  echo -n "$a "
  let "a+=1"
done           # ¾ÆÁ÷Àº º°·Î ³î¶ö°Ô ¾ø³×¿ä.

echo; echo

# +=================================================================+

# ÀÌÁ¦ ¶È°°Àº °ÍÀ» C ÇüÅÂÀÇ ¹®¹ýÀ¸·Î ÇØ º¾½Ã´Ù.

((a = 1))      # a=1
# ÀÌÁß ¼Ò°ýÈ£¿¡¼­´Â º¯¼ö¸¦ ¼¼ÆÃÇÒ ¶§ C ó·³ ºó Ä­À» ³Ö¾îµµ µË´Ï´Ù.

while (( a <= LIMIT ))   # ÀÌÁß ¼Ò°ýÈ£, º¯¼ö ¾Õ¿¡ "$"°¡ ¾ø³×¿ä.
do
  echo -n "$a "
  ((a += 1))   # let "a+=1"
  # ¿ª½Ã µÇ´Â±º¿ä.
  # ÀÌÁß ¼Ò°ýÈ£¸¦ ¾²¸é C ¹®¹ýó·³ º¯¼ö¸¦ Áõ°¡½Ãų ¼ö ÀÖ±º¿ä.
done

echo

# ÀÌÁ¦ C ÇÁ·Î±×·¡¸Óµµ Bash ¸¦ ¾µ ¶§ Æí¾ÈÇÏ°Ô ¾µ ¼ö ÀÖ°Ú½À´Ï´Ù.

exit 0