From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 27901 invoked by alias); 26 Feb 2017 23:23:24 -0000 Mailing-List: contact zsh-users-help@zsh.org; run by ezmlm Precedence: bulk X-No-Archive: yes List-Id: Zsh Users List List-Post: List-Help: X-Seq: 22510 Received: (qmail 15188 invoked from network); 26 Feb 2017 23:23:24 -0000 X-Qmail-Scanner-Diagnostics: from mta01.eastlink.ca by f.primenet.com.au (envelope-from , uid 7791) with qmail-scanner-2.11 (clamdscan: 0.99.2/21882. spamassassin: 3.4.1. Clear:RC:0(24.224.136.30):SA:0(-0.7/5.0):. Processed in 0.671878 secs); 26 Feb 2017 23:23:24 -0000 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on f.primenet.com.au X-Spam-Level: X-Spam-Status: No, score=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW, RP_MATCHES_RCVD,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.1 X-Envelope-From: rayandrews@eastlink.ca X-Qmail-Scanner-Mime-Attachments: | X-Qmail-Scanner-Zip-Files: | Received-SPF: pass (ns1.primenet.com.au: SPF record at _spf.eastlink.ca designates 24.224.136.30 as permitted sender) X-Authority-Analysis: v=2.2 cv=DOfN2GFb c=1 sm=1 tr=0 a=Eh75Xyg/TJcitwHJr8/llA==:117 a=Eh75Xyg/TJcitwHJr8/llA==:17 a=N659UExz7-8A:10 a=uq-M-2UyAAAA:8 a=ICGQWbiV4QnigewpjYAA:9 a=pILNOxqGKmIA:10 a=Jus5J9FnR3dmbuPB4d3d:22 X-EL-IP-NOAUTH: 24.207.19.183 Subject: Re: Shell history (Re: bash conversion trouble.) To: zsh-users@zsh.org References: <004ec4f2-3b3a-8907-86a6-4326399783aa@eastlink.ca> <170224204153.ZM19840@torch.brasslantern.com> <6f722b8f-a712-985f-65e8-3b03a5b352c3@eastlink.ca> <170225075521.ZM22115@torch.brasslantern.com> <32f48d32-2b11-045e-5925-8f112783f1e2@eastlink.ca> <170225090218.ZM22334@torch.brasslantern.com> <170225120927.ZM22787@torch.brasslantern.com> <34e05410-7940-aa48-2c35-1302b915f713@eastlink.ca> <170226091941.ZM14996@torch.brasslantern.com> <70cf4e82-ff54-8a7a-17a6-993d841a98dc@eastlink.ca> <170226131040.ZM4640@torch.brasslantern.com> From: Ray Andrews Message-id: <43692fd3-c0e9-f7ae-db39-7eabc3de8592@eastlink.ca> Date: Sun, 26 Feb 2017 15:23:17 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Icedove/45.6.0 MIME-version: 1.0 In-reply-to: <170226131040.ZM4640@torch.brasslantern.com> Content-type: text/plain; charset=windows-1252; format=flowed Content-transfer-encoding: 7bit On 26/02/17 01:10 PM, Bart Schaefer wrote: > On Feb 26, 10:03am, Ray Andrews wrote: > } > } Is there a brief history of shells that one might read? > > This: > > http://www.softpanorama.org/People/Shell_giants/introduction.shtml > > has the timeline mostly correct; but the author is so far off on the > relative merits of the Bourne and C shell scripting languages, for > example, as to make most of his editorializing ignorable. He seems > to have some kind of axe to grind with Steve Bourne and wastes a lot > of words bashing him (no pun intended), but there is a lot of useful > source material quoted or linked. I almost stopped reading when he started to foam at the mouth, it ruins the document. Anyway thanks, that's as much of a brief history as I need. One thing tho: "no clean separation between lexical analysis and syntax analysis" I sure can agree with that, it seems to be at the heart of many difficulties.