Dear all, I want to obtain a list of all the installed ports which have no dependents, so that I can keep the ones I need and uninstall the rest. I'm trying to do this via the following command:
port installed | sed 's/ (active)//g' | xargs -0 port dependents However, this isn't working quite as expected. Instead of getting results like, "aalib has no dependents!", I instead get the following: Error: Registry error: The following ports are currently installed: aalib 1.4rc5_4 apache-ant @1.7.1_0 apr @1.3.3_1 apr @1.3.12_0 apr @1.3.12_1 apr-util @1.3.4_1 apr-util @1.3.9_2 atk @1.26.0_1 audiofile @0.2.6_2 autoconf @2.63_0 autoconf @2.65_1 automake @1.10.2_0 automake @1.11_0 automake @1.11.1_0 babl @0.0.22_0 babl @0.1.0_1 bash-completion @1.0_1 bash-completion @1.1_4 bison @2.4.1_0 boehmgc @7.1_0+darwin_9 not registered as installed. I realise my xargs knowledge isn't great and I've probably messed up somewhere in my command syntax, but I'd be grateful for help, either correcting my syntax or - if possible - letting me know a native MacPorts command which does the same job. Many thanks in advance, Sam
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