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bh=zj2zCGIboUoPOn0wBH7STJj3yxDWLcElH7LzztXaV58=; b=CZ6qsnN7ChTdIsr1RP0XFS/N5XopuOMKZU79h+UYngSwNpb+3nLt5aHCenJJuHKilW KAxA2fo1fQa7tfB5ItzDJgczMEYqqMKNZ9zCeebjcRGMy4/xXF5t1fdyK4o6laRclxRx zYMUN61dajiuUCqfFnK4rGqIpGbL2GbQ4ktqC4EcSgcZeOndkPb3STBFCBdgh/7rOM5H 7wFyqLMDxfjm5W1lG5I/XNoE51aWjukX46PkPtA/BptYRSs88+fZtCoM1PPjsIDZB2xt XOsLRVNnGri2Oyl2+iGOV/1YWXbPAV80aSmOpXMXjlXcdowWwHZhNlWRTRjlUTx6E5b5 Aznw== X-Gm-Message-State: ABy/qLZb9MRzz9V1E1856phDTeIWfnVVEZUkFuvJOBWI7yNiXuA2U0Ua jmhDKtCAd8JF3avr/S7yKjhlnN/SGYVSvfr9GTjtqw== X-Google-Smtp-Source: APBJJlF8RXcRBWgu+372isNaTtjEjHmZxBlV4N6DFYkuviDVJtcmLaDICkj3ZAp2LLXsA0JNA803OZpmA938DfsDFZY= X-Received: by 2002:a2e:b052:0:b0:2b4:6ca3:7747 with SMTP id d18-20020a2eb052000000b002b46ca37747mr878099ljl.28.1688082092847; Thu, 29 Jun 2023 16:41:32 -0700 (PDT) MIME-Version: 1.0 References: <25FF68CF-F93D-4745-84D1-A97A5ECCA348@gmail.com> <36f09056-0f1a-1b8a-dcf8-0ab222857ea2@gmx.com> In-Reply-To: From: Bart Schaefer Date: Thu, 29 Jun 2023 16:41:21 -0700 Message-ID: Subject: Re: Bug/regression: tt(RANDOM) seed not updating when $RANDOM is used in a pipe To: Roman Perepelitsa Cc: Mikael Magnusson , Eric Cook , zsh-users@zsh.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Seq: 29098 Archived-At: X-Loop: zsh-users@zsh.org Errors-To: zsh-users-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-users-request@zsh.org X-no-archive: yes List-Id: List-Help: , List-Subscribe: , List-Unsubscribe: , List-Post: List-Owner: List-Archive: On Thu, Jun 29, 2023 at 11:16=E2=80=AFAM Roman Perepelitsa wrote: > > > On 6/29/23, Roman Perepelitsa wrote: > > > > > > % echo ${foo::=3Dbar} | cat > > > % zmodload zsh/system; echo $sysparams[pid] | cat > > > > > I can also confirm that the two test cases I posted above behave > differently in zsh 5.4.2 and 5.9. In all these cases 5.9 behaves as I > would expect, and the behavior of 5.4.2 is surprising to me. The change that had this effect dates from May 2018 and has been "in production" since the 5.6 release in September 2018, so I think it's reasonable to say that it hasn't had any significant impact on usage -- MacOS Catalina has zsh 5.7, Ubuntu 20.04 has 5.8 -- but it's probably worth mentioning somewhere.