=> Creating binary package /data/scratch/shells/standalone-tcsh/work/.packages/standalone-tcsh-6.22.02.tgz
pkg_add: Failed to write bin/tcsh for standalone-tcsh-6.22.02: Could not unlink
pkg_add: Couldn't remove //bin/tcsh
pkg_add: Couldn't remove //usr/share/man/man1/tcsh.1
pkg_add: 1 package addition failed