Summary:
Prints information about words and values.
Usage:
help word
Arguments:
word - The word argument. (must be: any-type)
Description:
The HELP function provides a simple way to get information about
words and values. To use HELP, supply a word or a value as its
argument:
help quit
USAGE:
QUIT
DESCRIPTION:
Stops evaluation and exits the interpreter.
QUIT is a native value. |
Other examples:
help now
USAGE:
NOW /year /month /day /time /zone /date /weekday /precise
DESCRIPTION:
Returns the current local date and time.
NOW is a native value.
REFINEMENTS:
/year -- Returns the year only.
/month -- Returns the month only.
/day -- Returns the day of the month only.
/time -- Returns the time only.
/zone -- Returns the time zone offset from GMT only.
/date -- Returns date only.
/weekday -- Returns day of the week as integer (Monday is day 1).
/precise -- Use nanosecond precision |
help insert
USAGE:
INSERT series value /part range /only /dup count
DESCRIPTION:
Inserts a value into a series and returns the series after the in
sert.
INSERT is an action value.
ARGUMENTS:
series -- Series at point to insert (Type: series port bitset)
value -- The value to insert (Type: any-type)
REFINEMENTS:
/part -- Limits to a given length or position.
range -- (Type: number series port)
/only -- Inserts a series as a series.
/dup -- Duplicates the insert a specified number of times.
count -- (Type: number) |
You can also use HELP to find all the words that match
a substring. To do so, provide a string in
quotes:
help "path"
Found these words:
clean-path function! Cleans-up '.' and '..' in path; return
s the cleane...
lit-path! datatype! lit-path!
lit-path? action! Returns TRUE for lit-path values.
path! datatype! path!
path-thru function! [url /local purl]
path? action! Returns TRUE for path values.
set-path! datatype! set-path!
set-path? action! Returns TRUE for set-path values.
split-path function! Splits a file or URL path. Returns a b
lock contain...
to-lit-path function! Converts to lit-path value.
to-path function! Converts to path value.
to-set-path function! Converts to set-path value. |
help "to-"
Found these words:
caret-to-offset native! Returns the offset position relative t
o the face o...
connect-to-link function! [file args /local data]
offset-to-caret native! Returns the offset in the face's text
correspondin...
to-binary function! Converts to binary value.
to-bitset function! Converts to bitset value.
to-block function! Converts to block value.
to-char function! Converts to char value.
to-date function! Converts to date value.
to-decimal function! Converts to decimal value.
to-email function! Converts to email value.
to-event function! Converts to event value.
to-file function! Converts to file value.
to-get-word function! Converts to get-word value.
to-hash function! Converts to hash value.
to-hex native! Converts an integer to a hex issue!.
to-idate function! Returns a standard Internet date strin
g.
to-image function! Converts to image value.
to-integer function! Converts to integer value.
to-issue function! Converts to issue value.
to-list function! Converts to list value.
to-lit-path function! Converts to lit-path value.
to-lit-word function! Converts to lit-word value.
to-local-file native! Converts a REBOL file path to the loca
l system fil...
to-logic function! Converts to logic value.
to-money function! Converts to money value.
to-none function! Converts to none value.
to-pair function! Converts to pair value.
to-paren function! Converts to paren value.
to-path function! Converts to path value.
to-rebol-file native! Converts a local system file path to a
REBOL file ...
to-refinement function! Converts to refinement value.
to-set-path function! Converts to set-path value.
to-set-word function! Converts to set-word value.
to-string function! Converts to string value.
to-tag function! Converts to tag value.
to-time function! Converts to time value.
to-tuple function! Converts to tuple value.
to-url function! Converts to url value.
to-word function! Converts to word value. |
You can view all words that are of a specific datatype by
specifying the datatype. The example:
help tuple!
Found these words:
aqua tuple! 40.100.130
bar-color tuple! 180.180.250
base-color tuple! 200.200.200
beige tuple! 255.228.196
black tuple! 0.0.0
blue tuple! 0.0.255
brick tuple! 178.34.34
brown tuple! 139.69.19
button-color tuple! 44.80.132
coal tuple! 64.64.64
coffee tuple! 76.26.0
crimson tuple! 220.20.60
cyan tuple! 0.255.255
forest tuple! 0.48.0
gold tuple! 255.205.40
gray tuple! 128.128.128
green tuple! 0.255.0
ivory tuple! 255.255.240
khaki tuple! 179.179.126
leaf tuple! 0.128.0
linen tuple! 250.240.230
magenta tuple! 255.0.255
main-color tuple! 200.200.200
maroon tuple! 128.0.0
mint tuple! 100.136.116
navy tuple! 0.0.128
oldrab tuple! 72.72.16
olive tuple! 128.128.0
orange tuple! 255.150.10
over-color tuple! 44.80.132
papaya tuple! 255.80.37
pewter tuple! 170.170.170
pink tuple! 255.164.200
purple tuple! 128.0.128
reblue tuple! 38.58.108
rebolor tuple! 142.128.110
red tuple! 255.0.0
sienna tuple! 160.82.45
silver tuple! 192.192.192
sky tuple! 164.200.255
snow tuple! 240.240.240
tan tuple! 222.184.135
teal tuple! 0.128.128
violet tuple! 72.0.90
water tuple! 80.108.142
wheat tuple! 245.222.129
white tuple! 255.255.255
yellow tuple! 255.255.0 |
would list all tuple functions. Other examples: type "help function!"
to list all REBOL defined functions, or even:
help datatype!
Found these words:
action! datatype! action!
any-block! datatype! any-block!
any-function! datatype! any-function!
any-string! datatype! any-string!
any-type! datatype! any-type!
any-word! datatype! any-word!
binary! datatype! binary!
bitset! datatype! bitset!
block! datatype! block!
char! datatype! char!
datatype! datatype! datatype!
date! datatype! date!
decimal! datatype! decimal!
email! datatype! email!
error! datatype! error!
event! datatype! event!
file! datatype! file!
function! datatype! function!
get-word! datatype! get-word!
hash! datatype! hash!
image! datatype! image!
integer! datatype! integer!
issue! datatype! issue!
library! datatype! library!
list! datatype! list!
lit-path! datatype! lit-path!
lit-word! datatype! lit-word!
logic! datatype! logic!
money! datatype! money!
native! datatype! native!
none! datatype! none!
number! datatype! number!
object! datatype! object!
op! datatype! op!
pair! datatype! pair!
paren! datatype! paren!
path! datatype! path!
port! datatype! port!
refinement! datatype! refinement!
routine! datatype! routine!
series! datatype! series!
set-path! datatype! set-path!
set-word! datatype! set-word!
string! datatype! string!
struct! datatype! struct!
symbol! datatype! symbol!
tag! datatype! tag!
time! datatype! time!
tuple! datatype! tuple!
unset! datatype! unset!
url! datatype! url!
word! datatype! word! |
Related:
? - Prints information about words and values. ?? - Prints a variable name followed by its molded value. (for debugging) what - Prints a list of globally-defined functions.
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