[MacPorts] Migration modified

[Ryan Schmidt]

> On Feb 5, 2015, at 10:04 AM, Clemens Lang <cal at macports.org> wrote:
> 
> Hi,
> 
> ----- On 5 Feb, 2015, at 16:10, MacPorts noreply at macports.org wrote:
> 
>> Page "Migration" was changed by heegard at yahoo.com
>> Diff URL: <https://trac.macports.org/wiki/Migration?action=diff&version=83>
>> Revision 83
>> Comment: Fixed setrequested command
>> Changes:
>> -------8<------8<------8<------8<------8<------8<------8<------8<--------
>> Index: Migration
>> =========================================================================
>> --- Migration (version: 82)
>> +++ Migration (version: 83)
>> @@ -47,7 +47,7 @@
>>      If you saved the list of requested ports, you can now restore the requested
>>      flags for your newly installed ports to their former states.
>>      {{{
>>      sudo port unsetrequested installed
>> -      < requested.txt xargs sudo port setrequested
>> +      cat requested.txt | xargs sudo port setrequested
>>      }}}
> 
> 
> Strictly speaking this change was not necessary. "< requested.txt" already redirects
> input from the requested.txt file, just as "cat requested.txt |" does. I doesn't
> matter that "< requested.txt" is at the beginning of the line in this case.
> 
> I won't revert your change, though, because we had a couple of people that either
> thought putting "< requested.txt" at the beginning of the line was illegal and that
> the command must have been wrong, and consequently mangled it to a state where it
> no longer worked.
> 
> While this is a useless use of cat, I'll allow it.


I changed it so that "< requested.txt" is at the end of the line, which should avoid any confusion.