Re: [Lug-bg] Въпрос за bash скриптче.

[Kristian Kirilov <d3v1ous@xxxxxxxxxxxx>]

Damyan Ivanov wrote:
> -=| Kristian Kirilov, Tue, Jun 09, 2009 at 12:35:00PM +0300 |=-
>   
>> Здравейте, имам следния резултат
>>
>> 5001 1001
>> 4001 1002
>> 5002 102
>> 5003 1032
>> 5004 1011
>> 121 1000
>> 12345 1008
>> 1234 1010
>>
>> В този случай как мога да направя условие което да сравнява първата 
>> колона с числото 5000, и тя го надвишава числото от 2-рата колона на 
>> същия ред да се запише в произволен файл.
>>
>> Т.е. изхода трябва да излгежда нещо от сорта:
>>
>> 1001
>> 102
>> 1032
>> 1011
>> 1008
>>     
>
> ---------------------------
> #!/bin/sh
>
> while read a b; do
>     if [ $a -gt 5000 ]; then
>         echo $b
>     fi
> fi
> ---------------------------
>
> script < входен-файл > изходен-файл
>
>   
> ------------------------------------------------------------------------
>
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>   
debian-work:~# cat iptables_out
27 5001 MARK all -- * * 0.0.0.0/0 0.0.0.0/0 owner UID match 1001 MARK 
xset 0x1/0xffffffff
21 4001 MARK all -- * * 0.0.0.0/0 0.0.0.0/0 owner UID match 1002 MARK 
xset 0x1/0xffffffff
27 5002 MARK all -- * * 0.0.0.0/0 0.0.0.0/0 owner UID match 102 MARK 
xset 0x1/0xffffffff
27 5003 MARK all -- * * 0.0.0.0/0 0.0.0.0/0 owner UID match 1032 MARK 
xset 0x1/0xffffffff
27 5004 MARK all -- * * 0.0.0.0/0 0.0.0.0/0 owner UID match 1011 MARK 
xset 0x1/0xffffffff
21 121 MARK all -- * * 0.0.0.0/0 0.0.0.0/0 owner UID match 1000 MARK 
xset 0x1/0xffffffff
21 12345 MARK all -- * * 0.0.0.0/0 0.0.0.0/0 owner UID match 1008 MARK 
xset 0x1/0xffffffff
21 1234 MARK all -- * * 0.0.0.0/0 0.0.0.0/0 owner UID match 1010 MARK 
xset 0x1/0xffffffff
debian-work:~# cat test
#!/bin/sh

while read a b; do
    if [ $a -gt 5000 ]; then
        echo $b
    fi
fi
debian-work:~# ./test iptables_out proba
./test: line 7: syntax error near unexpected token `fi'
./test: line 7: `fi'
debian-work:~#

Второто fi не трябва ли да бъде done?

Опитах с done, резултата не беше по добър :)

debian-work:~# cat test
#!/bin/sh

while read a b; do
    if [ $a -gt 5000 ]; then
        echo $b
    fi
done
debian-work:~#

debian-work:~# ./test iptables_out proba

./test: line 4: [: -gt: unary operator expected

./test: line 4: [: -gt: unary operator expected

./test: line 4: [: -gt: unary operator expected
^C

Поздрави
К.Кирилов
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