portmaster usage for a list of ports

Dominic Fandrey kamikaze at bsdforen.de
Sat Feb 27 10:47:43 UTC 2010

On 27/02/2010 11:10, Michael Reifenberger wrote:
> Hi,
> for compiling a list of ports inside a emulated FreeBSD-current environment
> I would need to use portmaster as:
> cat ./myports.txt | xargs portmaster -r -R -G -g -d -m "WITHOUT_GSSAPI=YES"
> (myports.txt contains a list of to be installed/updated ports)

Useless use of cat.
xargs < ./myports.txt portmaster ...

> Unfortunately this doesn't work (specifying -m "BATCH=yes" doesn't help
> too).

xargs(1) holds the solution, this one will work:
xargs -o < ./myports.txt portmaster ...

A: Because it fouls the order in which people normally read text.
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