#!/bin/bash

#Filename:bash_var.sh

#宣告變數

var=”value”

fruit=”apple”

count=5

#echo 輸出變數

echo “var=” $var

echo “var=” ${var}

echo “I have $count ${fruit} (s)”

#printf輸出變數

printf “var=%s\n” $var

printf “var=%s\n” ${var}

printf “I have %s %s (s)\n” $count,${fruit}

#設定環境變數

echo $PATH

export PATH=”$PATH:/home/jash”

echo $PATH