top ( message# #lines -- seq ) - Factor Documentation

top ( message# #lines -- seq )
POP3 client library

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Vocabulary
pop3

Inputs

message#	a fixnum
#lines	a fixnum

Outputs

seq	a sequence

Word description
Lists the header for message# and the first #lines of the message text. For example, 1 0 top would list just the headers for message 1, where as 1 5 top would list the headers and first 5 lines of the message text.

Definition

USING: accessors io.streams.duplex kernel math.parser namespaces
pop3.private sequences ;

IN: pop3

: top ( message# #lines -- seq )
<raw-source> raw-source set [ stream ] 2dip [
[ [ "TOP " ] ] dip
[ number>string append " " append ] curry compose
] dip
[ number>string append command readlns dup raw top<< ] curry
compose with-stream* ;