Re: append with eof

why would it not work with echo?

:-)~MIKE~(-:

On Tue, Mar 10, 2015 at 7:53 AM, Mike Ballon <mike.ballon@gmail.com> wrote:

> First, if you're just trying to backup conf files, then simply make a
> backup of the conf file and restore it when needed.
>
> To answer your question, yes, specifically with the cat command, this
> won't work with echo. You can test this on your own and t
>
> $ cat > test << EOF
> > 1
> > 2
> > 3
> > EOF
> $ cat test
> 1
> 2
> 3
> $ cat >> test << EOF
> > 4
> > EOF
> $ cat test
> 1
> 2
> 3
> 4
>
> You can also start with an append if you wish:
>
> $ cat >> test << EOF
> > 1
> > 2
> > EOF
> $ cat test
> 1
> 2
>
> http://www.linuxjournal.com/content/working-stdin-and-stdout
>
>
> On Mon, Mar 9, 2015 at 11:51 PM, Michael Havens <bmike1@gmail.com> wrote:
>
>> do you think this would have the desired effect?
>>
>>
>> sudo cat >> /etc/apt/apt.conf << eof
>> Acquire::Queue-Mode "host";
>> eof
>>
>> sudo cat >> /etc/sysctl.conf << eof
>> #
>> # Reduce the swap tendency
>> vm.swappiness = 10
>> eof
>>
>> sudo cat >> /etc/apache2/apache2.conf << eof
>> Include /etc/phpmyadmin/apache.conf
>> eof
>>
>> sudo cat >> /etc/fstab << eof
>> /media/bmike1/entertainment/Pictures /home/bmike1/Pictures none bind 0 0
>> eof
>>
>> would the single line appendages just need the blank line?
>>
>> :-)~MIKE~(-:
>>
>> On Mon, Mar 9, 2015 at 8:41 PM, Michael Havens <bmike1@gmail.com> wrote:
>>
>>> Okay now, I learned just today how >> works and I want to update all of
>>> my reinstall scripts so all I need to do is copy-n-paste into a terminal
>>> and everything will be done. Learned when I was doing Linux from scratch
>>> that to create a file of multiple lines without starting an editor you do:
>>>
>>> *cat > filename << "EOF"
>>> *contents
>>>
>>> *of*
>>>
>>> *file*
>>>
>>> *EOF*
>>>
>>> Oh.... I think I get it. just turn the '>' into '>>'
>>> am I correct?
>>>
>>> :-)~MIKE~(-:
>>>
>>
>>
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