转自：交互式shell脚本对话框----whiptail指令
当你在linux环境下setup软件的时候就会有相应的对话框让你输入。虽然我们已经习惯了这种交互的方法，但是如果有一种直观的界面来输入是不是会更加友好和方便呢，在shell脚本中你可以使用-whiptail指令来完成。
消息框
语法：
|
1
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whiptail
-
-
title
"<message box title>"
-
-
msgbox
"<text to show>"
<height> <width>
|
实例：
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1
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whiptail
-
-
title
"Message box title"
-
-
msgbox
" Choose Ok to continue."
10
60
|
yes/no对话框
语法：
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1
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whiptail
-
-
title
"<dialog box title>"
-
-
yesno
"<text to show>"
<height> <width>
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实例：
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#!/bin/bash
if
(whiptail
-
-
title
"Yes/No Box"
-
-
yesno
"Choose between Yes and No."
10
60
) then
echo
"You chose Yes. Exit status was $?."
else
echo
"You chose No. Exit status was $?."
fi
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或者也可以是自定义的选项，实例如下：
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#!/bin/bash
if
(whiptail
-
-
title
"Yes/No Box"
-
-
yes
-
button
"Man"
-
-
no
-
button
"Woman"
-
-
yesno
"What is your gender?"
10
60
) then
echo
"You chose Man Exit status was $?."
else
echo
"You chose Woman. Exit status was $?."
fi
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当选择左边选项的时候输出的是0，选择右边选项的时候输出的是1。
表单输入框
语法：
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1
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whiptail
-
-
title
"<input box title>"
-
-
inputbox
"<text to show>"
<height> <width> <default
-
text>
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实例：
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#!/bin/bash
NAME
=
$(whiptail
-
-
title
"Free-form Input Box"
-
-
inputbox
"What is your pet's name?"
10
60
Peter
3
>&
1
1
>&
2
2
>&
3
)
exitstatus
=
$?
if
[ $exitstatus
=
0
]; then
echo
"Your name is:"
$NAME
else
echo
"You chose Cancel."
fi
|
密码输入框
语法：
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1
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whiptail
-
-
title
"<password box title>"
-
-
passwordbox
"<text to show>"
<height> <width>
|
实例：
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9
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#!/bin/bash
PASSWORD
=
$(whiptail
-
-
title
"Password Box"
-
-
passwordbox
"Enter your password and choose Ok to continue."
10
60
3
>&
1
1
>&
2
2
>&
3
)
exitstatus
=
$?
if
[ $exitstatus
=
0
]; then
echo
"Your password is:"
$PASSWORD
else
echo
"You chose Cancel."
fi
|
菜单栏
提供一个单项选择的菜单栏
语法：
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1
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whiptail
-
-
title
"<menu title>"
-
-
menu
"<text to show>"
<height> <width> <menu height> [ <tag> <item> ] . . .
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实例：
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#!/bin/bash
OPTION
=
$(whiptail
-
-
title
"Menu Dialog"
-
-
menu
"Choose your favorite programming language."
15
60
4
\
"1"
"Python"
\
"2"
"Java"
\
"3"
"C"
\
"4"
"PHP"
3
>&
1
1
>&
2
2
>&
3
)
exitstatus
=
$?
if
[ $exitstatus
=
0
]; then
echo
"Your favorite programming language is:"
$OPTION
else
echo
"You chose Cancel."
fi
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此处的选择输出的内容为你选择的标签的‘tag’位置，上面实例中的‘1’、‘2’、‘3’、‘4’
radiolist对话框
该对话框是单选对话框，你可以控制默认的选择位置，即使你在脚本中默认选择多个，他也只会输出一个结果
语法：
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1
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whiptail
-
-
title
"<radiolist title>"
-
-
radiolist
"<text to show>"
<height> <width> <
list
height> [ <tag> <item> <status> ] . . .
|
实例：
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#!/bin/bash
DISTROS
=
$(whiptail
-
-
title
"Test Checklist Dialog"
-
-
radiolist \
"What is the Linux distro of your choice?"
15
60
4
\
"debian"
"Venerable Debian"
ON \
"ubuntu"
"Popular Ubuntu"
OFF \
"centos"
"Stable CentOS"
OFF \
"mint"
"Rising Star Mint"
OFF
3
>&
1
1
>&
2
2
>&
3
)
exitstatus
=
$?
if
[ $exitstatus
=
0
]; then
echo
"The chosen distro is:"
$DISTROS
else
echo
"You chose Cancel."
fi
|
多选对话框
语法：
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1
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whiptail
-
-
title
"<checklist title>"
-
-
checklist
"<text to show>"
<height> <width> <
list
height> [ <tag> <item> <status> ] . . .
|
实例：
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#!/bin/bash
DISTROS
=
$(whiptail
-
-
title
"Checklist Dialog"
-
-
checklist \
"Choose preferred Linux distros"
15
60
4
\
"debian"
"Venerable Debian"
ON \
"ubuntu"
"Popular Ubuntu"
OFF \
"centos"
"Stable CentOS"
ON \
"mint"
"Rising Star Mint"
OFF
3
>&
1
1
>&
2
2
>&
3
)
exitstatus
=
$?
if
[ $exitstatus
=
0
]; then
echo
"Your favorite distros are:"
$DISTROS
else
echo
"You chose Cancel."
fi
|
进度条
语法：
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1
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whiptail
-
-
gauge
"<test to show>"
<height> <width> <inital percent>
|
实例：
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#!/bin/bash
{
for
((i
=
0
; i <
=
100
; i
+
=
20
)); do
sleep
1
echo $i
done
} | whiptail
-
-
gauge
"Please wait while installing"
6
60
0
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