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Edbrowse
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Edbrowse : ウィキペディア英語版
Edbrowse
Edbrowse is a combination editor, browser, and mail client that runs in command line mode. It does not display files or web pages in two dimensions across the screen; instead it accepts commands and prints responses, much like the shell. Edbrowse was modeled after ed, one of the earliest Unix editors, though there are many more features, such as editing multiple files simultaneously, and rendering web pages as text. It is a browser that acts like ed, thus the name edbrowse. This program was originally written for blind users, but many sighted users have taken advantage of its scripting capabilities. A batch job or cron job can access web pages on the internet, submit forms, and send email, with no human intervention whatsoever. Edbrowse can also tap into databases through odbc. A traditional substitute command updates the corresponding row in an sql table, and similarly for insert and delete. This open source package is included in several Linux distributions 〔(''Edbrowse'' distributed by Debian )〕〔(''Edbrowse'' on arch linux )〕 and in FreeBSD.〔(''Edbrowse'' on FreeBSD )〕
== Command Line Philosophy ==
Edbrowse is part of a larger philosophy, wherein editors, browsers, mail clients, spreadsheets, and other critical applications are rewritten from the ground up if necessary to support various disabilities. This stands in contrast to the front end approach, which modifies or enhances the input/output layer and leaves the applications alone. Explorer, Outlook, and Word all run without modification, while a screen reader such as Window-Eyes converts the words or icons into speech or braille. The adapter is written once, and maintained as stand-alone software, supporting almost any application that anyone could write. This has obvious technical advantages, and is the most practical path to accessibility, but a small minority of disabled users find the experience suboptimal. A sighted user quickly locates items on the screen by moving his eyes, but the efficiency and speed of this visual interface is lost when those eye movements are replaced with a mouse and a screen reader. A command line editor, in contrast, allows the user to jump to a particular location in a file or on a web page by searching for a text fragment or regular expression. There is more typing, but less output, which some people find desirable when that output is run through the linear channel of speech or braille.
Rewriting and maintaining these large and complicated programs, such as a browser with all its plugins, is a daunting task that has received little support from government and industry to date. Still, the core of Unix and Linux consists of command line utilities, starting with the shell, and a few intrepid volunteers continue to write and maintain higher level applications such as browsers and database editors, to keep the command line philosophy alive.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Edbrowse」の詳細全文を読む



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