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# stdlib: standard library

Name | Type | Description
adverb | noun | integer 1
apply | verb | apply verb x. to y.
assert | verb | assert value is true
bind | conj | binds argument to a monadic verb
boxopen | verb | box argument if open
boxxopen | verb | box argument if open and 0<#
bx | verb | indices of 1's in boolean
clear | verb | clear all names in locale
conjunction | noun | integer 2
cutopen | verb | cut argument if open
CR | noun | carriage return character
CRLF | noun | CR LF pair
datatype | verb | noun datatype
def | conj | : (explicit definition)
define | adverb | : 0 (explicit definition script form)
do | verb | name for ".
drop | verb | name for }.
dyad | noun | integer 4
each | adverb | each (&.>)
empty | verb | return empty result (i.0 0)
erase | verb | erase namelist
every | adverb | every (&>)
expand | verb | boolean expand
EAV | noun | ascii 255 character
fetch | verb | name for {::
FF | noun | formfeed character
inverse | adverb | inverse (^:_1)
leaf | adverb | leaf (L:0)
list | verb | list data formatted in columns
LF | noun | linefeed character
monad | noun | integer 3
nameclass | verb | name for 4!:0
namelist | verb | name for 4!:1
names | verb | formatted namelist
nc | verb | name for 4!:0
nl | verb | selective namelist
noun | noun | integer 0
on | conj | name for @:
pick | verb | pick (>@{)
rows | adverb | rows ("1)
script | verb | load script, cover for 0!:0
scriptd | verb | load script with display, cover for 0!:1
sign | adverb | sign (*)
smoutput | verb | output to session
sort | verb | sort up
split | verb | split head from tail
table | adverb | function table
take | verb | name for {.
toCRLF | verb | converts character strings to CRLF delimiter
toHOST | verb | converts character strings to Host delimiter
toJ | verb | converts character strings to J delimiter (linefeed)
tolower | verb | convert text to lower case
toupper | verb | convert text to upper case
type | verb | object type
TAB | noun | tab character
verb | noun | integer 3
wcsize | verb | size of execution window

assert

    assert value is true
    assertion failure if  0 e. y.
    e.g. 'invalid age' assert 0 <: age

bind

    binds argument to a monadic verb
    binds monadic verb to an argument creating a new verb
    that ignores its argument.
    e.g.  fini=: wdinfo bind 'finished...'

boxopen

    box argument if open
    boxxopen    - box argument if open and # is not zero
    e.g. if script=: 0!:0 @ boxopen, then either
      script 'work.ijs'  or  script <'work.ijs'
    use cutopen to allow multiple arguments.

clear

    clear all names in locale
            returns any names not erased
    example: clear 'myloc'

cutopen

    cut argument if open
    this allows an open argument to be given where a boxed list is required.
    most common situations are handled. it is similar to boxopen, except
    allowing multiple arguments in the character string.

    x. is optional delimiters, default LF if in y., else blank
    y. is boxed or an open character array.

    if y. is boxed it is returned unchanged, otherwise:
    if y. has rank 2 or more, the boxed major cells are returned
    if y. has rank 0 or 1, it is cut on delimiters in given in x., or
      if x. not given, LF if in y. else blank. Empty items are deleted.

     e.g. if script=: 0!:0 @ cutopen, then
      script 'work.ijs util.ijs'

expand

    boolean expand
    form: boolean expand data

list

    list data formatted in columns
    syntax:   {width} list data
    accepts data as one of:
      boxed list
      character vector, delimited by CR, LF or CRLF; or by ' '
      character matrix
    formats in given width, default screenwidth

nl

    selective namelist
    Form:  [mp] nl sel

      sel:  one or more integer name classes, or a name list.
            if empty use: 0 1 2 3.
      mp:   optional matching pattern. If mp contains '*', list names
            containing mp, otherwise list names starting mp. If mp
            contains '~', list names that do not match.

     e.g. 'f' nl 3      - list verbs that begin with 'f'
          '*com nl ''   - list names containing 'com'

split

    split head from tail
    examples:
       split 'abcde'
       2 split 'abcde'

table

    function table
    table   - function table  (adverb)
    e.g.   1 2 3 * table 10 11 12 13
           +. table i.13

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