Sorry, I keep forgetting that listar strips attachments. Ben, you can download at http://www.johnsons-web.com/browse-system.r tim
* Tim Johnson <[EMAIL PROTECTED]> [031028 08:41]: > * Ben Minton <[EMAIL PROTECTED]> [031028 02:49]: > > > > Hi List, > Hi Ben: > I am attaching browse-system.r > You might find this to be an example of how to > a simple text-based interface. It isn't really > text-cell graphics but it is an understandable > interface and *also* is a good way to understadn > the rebol system and resources. > > BTW: The author was on the rebol development team > and is a member and frequent contributor to this > list. > > tj > > > I previously posted a question re a rebol web browser > > for a command line linux install. Both Tom and Tim > > (thanks to you both), gave a reply or two and > > suggested that I refine my questions, back to the list. > > > > One reply stated that I can 'use ansi escape > > sequences to build some sort of TUI'. > > > > Has anyone had experience with this? I was also > > suggested to go to rebolforces.com and look > > at 'Dialecting and the Console' , which I am doing now. > > > > Just for info, the reason why I have a command line > > linux install is I am using old gen PCs and a desire to > > learn linux, from actually tinkering. > > > > Thanks, Ben > > -- > > To unsubscribe from this list, just send an email to > > [EMAIL PROTECTED] with unsubscribe as the subject. > > -- > Tim Johnson <[EMAIL PROTECTED]> > http://www.alaska-internet-solutions.com > > > -- Attached file included as plaintext by Ecartis -- > > REBOL [ > Title: "System Object Browser" > Date: 3-Jun-1999 > Author: "Bohdan Lechnowsky" > Email: [EMAIL PROTECTED] > File: %browse-system.r > Purpose: { > To make browsing the system object safe and easy. > Also allows changes to be made. > } > Category: [script utility] > ] > > align: function [ > "Forms data into a specified number of columns with optional alignment" > data length /left /right /center] [len] [ > if right [ > return head copy/part > tail insert/dup head form data " " length > (length * -1) > ] > if center [ > data: head insert/dup head form data " " len: (length / 2) > data: head insert/dup tail data " " len > return copy/part at data ((length? data) / 2 - len + 1) length > ] > return copy/part head insert/dup tail form data " " length length > ] > > parent-item: func [path] [ > either find path "/" [ > path: tail path > while [not find/part path "/" 1] [ > path: back path > ] > return head clear path > ][ > print "^/ERROR: You are already at the top of the system object" > return path > ] > ] > > protocol-menu: func [path] [ > if not object? path [ > display path > return none > ] > > if current-path = "system/words" [ > print "^/ERROR: Accessing system/words will lead to an endless recursive > loop" > return none > ] > > protocols: remove copy first path > > print [newline "===" current-path "==="] > > if current-path <> "system" [print " 0 > PARENT"] > for index 1 (length? protocols) 1 [ > prin [(align/right index 3) ">" (align pick protocols index 20)] > if not all [(current-path = "system") ((pick protocols index) = 'words)] [ > if (not find value: mold pick (second path) (index + 1) "^/") [ > prin align value 50 > if (length? value) > 50 [prin " ..."] > ] > ] > prin newline > ] > print " 99 > EXIT" > > prin newline > > while [error? try [choice: to-integer ask "->"]] [ > print "ERROR: Please enter a number from the list above" > ] > > either error? try [field: pick protocols choice] [ > current-path: parent-item current-path > return none > ][ > if choice = 99 [halt] > return field > ] > ] > > display: func [path] [ > print ["The value of" current-path "is" mold path newline] > > choice: ask "Do you want to change this (y/n)? " > > if choice = "y" [ > value: load ask "What is the new value: " > do command: rejoin [current-path ": " mold value] > print [ > newline "To make this change permanent, add the following" > "line to your %user.r file:" newline newline command newline > ] > choice: ask "Do you want me to add this to your %user.r file (y/n)? " > if choice = "y" [ > either exists? user: join system/options/home %user.r [ > write/append user append command newline > print [newline "Made addition to" user] > ][ > either exists? %user.r [ > write/append %user.r append command newline > print [newline "Made addition to" join what-dir %user.r] > ][ > print [newline "ERROR: Could not find %user.r or %../user.r"] > ] > ] > ] > ] > ] > > start: func [] [ > current-path: "system" > > while [true] [ > if error? try [selection: protocol-menu do current-path][ > print [newline "ERROR: Cannot view this item"] > selection: none > ] > either found? selection [ > current-path: rejoin [current-path "/" selection] > ][ > current-path: parent-item current-path > ] > ] > ] > > start > > > > -- > To unsubscribe from this list, just send an email to > [EMAIL PROTECTED] with unsubscribe as the subject. -- Tim Johnson <[EMAIL PROTECTED]> http://www.alaska-internet-solutions.com -- To unsubscribe from this list, just send an email to [EMAIL PROTECTED] with unsubscribe as the subject.
