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Topics
Code is DATA/Data is CODE
Series/Blocks
Selecting
Select returns the value next to the matched key. It could search also for types
Simplest Select Syntax is
Select BLOCK/SERIES KEY
Example:
>> select [a b c d] 'b
== c
Now, the third one will be a block
Select returns the element
>> a: [a b [1 2 3 4] d] == [a b [1 2 3 4] d]
>> select a 'b == [1 2 3 4]
SELECT is the short form of:
>> probe first next find a 'b [1 2 3 4] == [1 2 3 4]
which could also be written as
>> probe pick next find a 'b 1 == [1 2 3 4]
Finding
>> probe next find a 'b
[[1 2 3 4] d]
== [[1 2 3 4] d]
>> a: [a b [1 2 3 4] d] 'b
== b
>> probe first next find a 'b
[1 2 3 4]
== [1 2 3 4]
>> select [a b c d] 'b
== c
>> select a 'b
== [1 2 3 4]
>> a: [a b "c1234" d]
== [a b "c1234" d]
>> select a 'b
== "c1234"
>> find a 'b
== [b "c1234" d]
(TODO: Clarify if it copies)
Table
| Command | Type | Purpose | Input | Output | Modify Series | Modify Series Index | Record | Index to Head | Index to Current Pos | Other |
|---|---|---|---|---|---|---|---|---|---|---|
| Alter | SEARCH-SET | |||||||||
| Append | MODIFY | |||||||||
| At | IDX | Yes | ||||||||
| Back | IDX | |||||||||
| Change | MODIFY | Changes series from current position | Series to change | YES | ||||||
| Clear | MODIFY | Deletes everything from current position to tail | ||||||||
| Collect | ||||||||||
| Compose | ||||||||||
| Copy | GET | Returns a copy of the series | ||||||||
| Empty? | INFO | |||||||||
| Exclude | UNIONS | Returns first arguments values minus second argument values | ||||||||
| Extract | GET | Get elements. Cold also see block as record of elements | ||||||||
| Find | SEARCH | Returns a series from the mathing position | ||||||||
| Head | IDX | |||||||||
| Head? | INFO | |||||||||
| Index? | INFO | |||||||||
| Insert | MODIFY | Insert a value in the current position shifting the previous value(s) to the right | ||||||||
| Last | IDX | |||||||||
| Length? | INFO | |||||||||
| Move | MODIFY | Move element(s) of the series to another | ||||||||
| Next | IDX | |||||||||
| Path! | ||||||||||
| Path? | ||||||||||
| Pick | GET | Takes the N'th value | ||||||||
| Poke | SET | Sets the N th value | ||||||||
| Rejoin | MODIFY | |||||||||
| Remove | MODIFY | Remove the first value of a series starting from current position | ||||||||
| Remove-Each | MODIFY | Test each value of the block with a contition, if test returns true, remove that value | ||||||||
| Replace | SEARCH-SET | Replace the found value with another one | ||||||||
| Reverse | MODIFY | Reverse all the arguments of a series | ||||||||
| Select | SEARCH | Selects (extract) the item next to the matched one | ||||||||
| Skip | IDX | Move index one or more position forward | ||||||||
| Sort | MODIFY | Sort the series | ||||||||
| Swap | MODIFY | Swap the current elements of two series | ||||||||
| Tail | IDX | |||||||||
| Tail? | INFO | |||||||||
| Take | MODIFY | |||||||||
| Take | Remove and returns on or more elements of a series | |||||||||
| Union | Returns the unique elements of two series | |||||||||
| Unique | REturns the unique elements of a series | |||||||||
| First | ||||||||||
| Second | ||||||||||
| Third | ||||||||||
| Fourth | ||||||||||
| Fifth |
Findind
Finding a value in a series/block requires FIND It returns the block positioned at the match or (none?)
To obtain the numeric index/position you should use POS? Example: POS? FIND a 'b
Note the difference in the output between finding and selectin
When exploring RED this could led to a misunderstanding [1 2 3 4] = a block containing 1 2 3 4 1 2 3 4 = a block containing another block which contains 1 2 3 4
[1 2 3 4] the element in the third position, which is a block
[[1 2 3 4] d] the original series starting at thrid position which contains the thrird and fourth element
to get again the whole block you shoud
head a (why not a: head a)
Contexts
VID
Databases
RED/Systems
Compiling
PATHS
NONE, TRUE, EMPTY, ETC.
Active words
Natural language
PARSE
DSL
RED Code INIT
EXTERNAL Libraries
CODE MORPHING
Code internal Structure
Datatypes
Articles
| Type | Description | Link |
|---|---|---|
| (None) |
Forums/Chats Q/A
Tagged for RED in stack overflow [1]
Tagged for REBOL in Stack Overflow [2]
Tagged for REBOL in Stack Overflow [3]
Tagged for REBOL in Stack Overflow [4]
| Type | Description | Link |
|---|---|---|
| Find | Find locates characters in string when passed string | (Stack Overflow) |
| Data/Code | END Separators between istructions | (Stack Overflow) |
| Inner RED: Contexts | Context of words in SUB functions, binding (DEEP) | (Gitter) |
| Editors | List of Structured Editors from NENAD (NOT RED SPECIFIC) | (Gitter) |
| Copying Series | Explanation on copying a series on REBOL, a so called rite of passage | (Gitter) |
| Inner Red | Nenad answers to the request to know inner RED structure. Partecipants explain the phrase "there is no spoon" | (Gitter) |
| Inner Red | Words, set words, binding | (Gitter) |
| Inner Red: Series | Inizializing Series with COPY or without, why it matters. Vladimir answering | (Gitter) |
| Inner RED: Code is Data | Contiguos block of data/code concept | (Gitter) |
| Inner RED: Loading Code | Startup of RED script, LOADING it, Datatypes and Word Values | (Gitter) |
| Inner REBOL: Copy | Article from Carl Sassenrath on Copy and Side effects | (Carl BLOG) |
| Inner RED: Binding | Various messages on REDUCING Blocks/Bindings | (Gitter) |
| Documentation | Various link/messages on RED workings and Vladimir desire to write a book on RED on Special Topics and internal workings | (Gitter) |
| Inner RED: No Spoon Festival | There is no spoon Festival ! | (Gitter) |
| Inner RED: Binding | Vladimir Graph on binding | (Gitter) |
| GUI | Henrik Mikael Kristensen on Vid Extension Kit and RESIZE | (Gitter) |
| GUI | How to Resize a picture | (Gitter) |
| Parse | Extracting SQL column names example by Toomas V. | (Gitter) |
| WEB | REST API | (Gitter) |
| *Inner RED | Words and Ditionary | (Gitter) |
| Inner RED | Code is Data | (Gitter) |
| Other Languages | Do other Languages have similar Parse ? | (Gitter) |
| Various | Contexts and Closures | (Gitter) |
| Apply | A cheap Apply | (Gitter) |
| Datatype | Discussion on Money! Datatype Vs. Float | (Gitter) |
| Paths | Sstoring and Evaluationg Paths | (Gitter) |
| Context | Vladimir on Contexts | (Gitter) |
| RED | Substitute | (Gitter) |
| Select | Does Select Copy ? Answer from Vladirmir | (Gitter) |
| Internet | SMTP, HTTP and other requests | (Gitter) |
| Internal | Could a Function know its name | (Gitter) |
| Paths | Dynamic Paths | (Gitter) |
| GUI | Cut, Copy, Paste Text Areas | (Gitter) |
| Paths | Dynamic Paths | (Gitter) |
| Bind/Contexts | Vladimir on Binding | (Gitter) |
| Functions | Double returning value to functions | (Gitter) |
| Objects | Creating Objects with unset values | (Gitter) |
| Binding | Nenand on Binding | (Gitter) |
| Words/Symbols | Nenad on values contaniers | (Gitter) |
| Parse | An user request help for parse | (Gitter) |
| GUI | Highlight a Text | (Gitter) |
| GUI | CR/LF Calculation problem | (Gitter) |
| GUI | Example of Extracting text from an area | (Gitter) |
| Reactivity | Reactivity | (Gitter) |
| Parse | User helped on Parse | (Gitter) |
| Paths | More question on paths | (Gitter) |
| GUI | On change Handler | (Gitter) |
| Paths | Getting word values in paths | (Gitter) |
| Parse | How Parse IF work | (Gitter) |
| GUI | Autosave on GUI event | (Gitter) |
| Series | Subseries of a bigger one | (Gitter) |
| Various | Replacing CRFL to LF | (Gitter) |
| RED | Do does not evaluate its function argument | (Gitter) |
| Parse | Parse Help on sub block | (Gitter) |
| Blocks | CR in Blocks | (Gitter) |
| Find | Find returning the position after the match | (Gitter) |
| Paths | Storing a path i a word and having its parens evalued later | (Gitter) |
| SetWord | Explanation on word evaluation | (Gitter) |
| GUI | Vid Events | (Gitter) |
| Refinements | Having multiple words for a refinement | (Gitter) |
| GUI | Cursor and face positioning | (Gitter) |
| GUI | Dinamically created GUI | (Gitter) |
| Paths | Path evaluation | (Gitter) |
| GUI | Cant use path as arguments | (Gitter) |
| LOAD | Storing code in a library and retrieving with LOAD and DO | (Gitter) |
| GUI | A panel opening over another panel | (Gitter) |
| To-Date | To-Date not working 6.3 | (Gitter) |
| GUI | Question on Drop List | (Gitter) |
| GUI | Rotate and center of pixel | (Gitter) |
| RED | No Variables in RED | (Gitter) |
| GUI | Vid Field in a variable | (Gitter) |
| Math | Rounding | (Gitter) |
| Paths | Decoding ad word value retrieving | (Gitter) |
| #Inport | Inporting | (Gitter) |
| GUI | Keeping buttons pressed | (Gitter) |
| Parse | Keep/Collect | (Gitter) |
| Inner RED | Symbols, Lexemes | (Gitter) |
| Inner RED | Point Datatype | (Gitter) |
| GUI | Discussion on various GUI engines | (Gitter) |
| GUI | Menu' | (Gitter) |
| Parse | Parse is Greedy | (Gitter) |
| RED | Operator Precedence | (Gitter) |
| Parse | User Parse Problem | (Gitter) |
| RED | List of Escaped Keys | (Gitter) |
| Parse | User Parse Problem | (Gitter) |
| RED | Escaped Chars | (Gitter) |
| GUI | list of keys, key-nums and chars as returned in view on-key | (Gitter) |
| RED | Bitset conversion problem | (Gitter) |
| GUI | Event on DROPDOWN | (Gitter) |
| GUI | Cursor Position | (Gitter) |
| GUI | Focus on VID | (Gitter) |
| GUI | Get Position in Area | (Gitter) |
| RED | Gettin RED consolle output | (Gitter) |
| Parse | Current Parse Position | (Gitter) |
| GUI | Dropdown List | (Gitter) |
| RED | Validating a date | (Gitter) |
| LOAD | Problem Loading a Date | (Gitter) |
| GUI | Scrollers (Not Documented for Dropdown) | (Gitter) |
| Android | RED for android at RED version 6.3 | (Gitter) |
| RED | Red Console Configuration File | (Gitter) |
| WEB API | Sending Telegram Messages with RED | (Gitter) |
| Charsets | Traversing a Charset | (Gitter) |
| GUI | Removing all windgets from a window | (Gitter) |
| Logic | Threatment of Intergers via OR and AND | (Gitter) |
| Parse | Parse: User Problem | (Gitter) |
| Various | Difference between different Branches of REBOL3 | (Stack Overflow) |
| Various | Many Questions from Peter W A Hood | (Stack Overflow) |
| REBOL2 | Port Binding to multiple IPs | (Stack Overflow) |
| REBOL2 | *Printing data to STDOUT | (Howtobuildsoftware) |
| Various | Differences Between REBOL2, REBOL3 and RED | (Stack Overflow) |
| REBOL Objects | Rebol Object and encapsulation | (Carl's Blogs) |
| Objects | RED Objects implementation | (RED Site) |
| Context | Context? returns ?function? and other aspects | (Gitter) |
| Context | Context in Foreach | (Gitter) |
| Context | Function with Variable number Arguments and atypical Function use (Object Methods like) (LONG!) | (Gitter) |
| Context | Why REBOL functions seems to have memory ? | (CODE Day) |
| Context | Contexts, Bindings, Dinamyc functions and Dialects. Very long discussion | (Gitter) |
| Context | Dynamic Functions | (Gitter) |
| Functions | Dynamic Functions Dialect | (Gitter) |
| DSL | Simple QUERY Dialect Dialect Example | (Gitter) |
| DSL | SENDKEYS for REBOL ported on RED | (Gitter) |
| DLL | Autokeys.dll to RED | (Gitter) |
| Lists | List Comphrension | (CODE Day) |
| Reflection | Words-Of -> Of . Of operator proposal to get elements of a 'type | (Gitter) |
Scripts/Repositories
| Name | Type | RED/RED System | Description | Author | Link |
|---|---|---|---|---|---|
| Mandelbrot FAST | Math | RED/System | Mandelbrot Generator | Full Stack Team | (GITHUB) |
| (None) |