wiki:wade/linux/bash
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Version 6 (modified by wade, 16 years ago) (diff)

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  1. source
  2. 判斷式
  3. function
  4. whiptail

source

man bash

判斷式

0 表示正確。 1 表示錯誤。 

a=11
test $a -lt 10
echo $?

a=$((a+1))
echo $a

function

function add()
{
echo $1
echo $2
}
add 2 4

whiptail

產生對話式選單 

whiptail --menu "test" 0 0 0 a1 "test a1" a2 "test a2"

做一個選單，test a1 選項結果為 a1， test a2 選項結果為 a2 

whiptail --menu "test" 0 0 0 a1 "test a1" a2 "test a2" 2> tmp

將結果標準錯誤輸出至 tmp 內