Hello Alex, Alex Vong writes: > I get the following error when running ``guix --version | head -n 1''. I > can get similar after replacing ``--version'' with ``--help''. Also, the > error is nondeterministic. Any idea? > > $ LC_ALL=C guix --version | head -n 1 > guix (GNU Guix) 91213c384b62bc422896d39005efa922e4fa75f2 As a workaround ‘LC_ALL=C head -n 1 <(guix --version)’. […] Oleg.