Built-in function 'set' produces variable outputs. OS: Fedora 29 – Component: bash-4.4.23-5.fc29.x86_64
To reproduce: $ export SSLKEYLOGFILE=/home/user/test $ set | grep SSL SSLKEYLOGFILE=/home/user/test _=SSLKEYLOGFILE $ set | grep SSL SSLKEYLOGFILE=/home/user/test Expected result right after the creation of an environment variable: $ set | grep SSL SSLKEYLOGFILE=/home/user/test