" wrote:
>On 2/23/23 3:26 AM, Qingsheng Huang wrote:
>> Here shows the behavious of empty conditional expressions:
>>
>>
>> infinite:~# [[ ]]
>> -bash: syntax error near unexpected
Here shows the behavious of empty conditional expressions:
infinite:~# [[ ]]
-bash: syntax error near unexpected token `]]'
infinite:~# [[ ]]
infinite:~# [[ "$A" ]]
-bash: syntax error near unexpected token `"$A"'
infinite:~#
Here shows the output of conditional expressions:
infinite:~# [[ ]] -bash: syntax error near unexpected token `]]' infinite:~# [[
]] infinite:~# [[ "$A" ]] -bash: syntax error near unexpected token `"$A"'
infinite:~# [[ "$