Generated with:
$ sed -i 's|openssl ecparam -genkey -name prime256v1 >~/.weechat/ecdsa.pem|openssl ecparam -genkey -name prime256v1 -out ~/.weechat/ecdsa.pem|' $(git grep -l 'openssl ecparam')
There's no reason to involve shell redirection, which we've had since
88073243 (doc: add instructions for SASL "ecdsa-nist256p-challenge",
2015-01-21). We already use -in or -out for our other openssl
invocations, as shown by:
$ git grep 'openssl.*\(<\|>\|-in\|-out\)'
5d91765da7