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单选题
Given the following script， why does the output come out as an empty line instead of "dog"？（）
A
The $VAR variable was not exported
B
The $VAR should have been set as VAR
C
dog needs double quotes around it when setting $VAR
D
The { } should not be around VAR in the echo command
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更多 “单选题Given the following script， why does the output come out as an empty line instead of "dog"？（）A The $VAR variable was not exportedB The $VAR should have been set as VARC dog needs double quotes around it when setting $VARD The { } should not be around VAR in the echo command” 相关考题
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Given the following script， why does the output come out as an empty line instead of "dog"（）#!/bin/ksh $VAR=dog echo "${VAR}"A、The $VAR variable was not exported.B、The $VAR should have been set as VAR.C、dog needs double quotes around it when setting $VAR.D、The { } should not be around VAR in the echo command.
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单选题Given the following script， why does the output come out as an empty line instead of "dog"？（）A
The $VAR variable was not exportedB
The $VAR should have been set as VARC
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The { } should not be around VAR in the echo command
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The $VAR variable was not exported.B
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