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access.verbs

Definition/Access: Verbs, Releases: AP and R83

General form of Access sentences.

Syntax

verb {only} file.reference {itemlist} {sellist} {modlist} {outlist} {(options)}

Description

refer to operations which are performed by the 'list' processor, and are one of the three distinct types of verbs in the Pick System.

Access verbs require at minimum a verb and a file.reference, but they additionally support many qualifiers, such as selection and sorting criteria.

In Advanced Pick, the 'list-verbs' command produces an alphabetically organized list of all verbs in a given md, or the current md if one is not explicitly provided. Any verb with an 'a' (or 'A') in the 'A2' column of the 'list-verbs' output is considered to be an Access verb.

Access verbs essentially break down into the following categories:

1) columnar-output-producing: sort and list

2) list-producing: select, sselect and nselect

3) statistical: count, sum and stat

4) tape-handling: t-dump, s-dump and t-load

5) file-analysis: hash-test and istat

6) internal (or 'copy') format: list-item and sort-item

7) label-producing: list-label and sort-label

8) file-updating: update, reformat and srefomat

Example

list invoices

list dict invoices

list only dict invoices

sort dict invoices by a2 a1 a2

sort dict invoices with a1 'a]' s]' by ac

list-item md = 'list-]'

sort-item md = 'list-]' heading ''lc' List items from
'fl'' (p

See Also

Command Name Type Description
tcl.introduction Introductory Description of TCL.
tcl2.verbs Definition Description of TCL2 verbs.
access.only Modifier Displays item-ids only.
access.options Definition Standard options: b,c,d,h,i,j,k,n,p,r,s,u,y
file.reference Definition How to reference files in Pick.
access.itemlist Definition Defines a specific list of item-ids.
access.sellist Definition Defines selection criteria portion of an Access sentence.
access.selection.criteria Definition Description of Access selection criteria.
access.modifiers.modlist Definition Defines list of modifiers.
access.outlist Definition Defines list of attributes to output.
access.seqlist Definition Definies collation sequence.
access.modifiers Definition List of Access modifiers.
tcl.verb.classes Definition Types of TCL verbs.
access.sampling Modifier Limits the number of items processed to a given number.
access.selection.processor Definition Gathers items for Access processes.
conversion Definition Conversion codes are listed under 'processing codes'.
dictionaries Definition Description of dictionary level of file system.
access.check-sum Verb: Access Produces check sum total.
access.hash-test Verb: Access Performs distribution analysis on file with test modulo.
access.istat Verb: Access Performs distribution analysis on existing file modulo.

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