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'\"
'\" The contents of this file are subject to the AOLserver Public License
'\" Version 1.1 (the "License"); you may not use this file except in
'\" compliance with the License. You may obtain a copy of the License at
'\" http://aolserver.com/.
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'\" The Original Code is AOLserver Code and related documentation
'\" distributed by AOL.
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'\" The Initial Developer of the Original Code is America Online,
'\" Inc. Portions created by AOL are Copyright (C) 1999 America Online,
'\" Inc. All Rights Reserved.
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'\" $Header: /cvsroot/aolserver/aolserver/doc/ns_adp_puts.n,v 1.1 2006/04/13 19:07:12 jgdavidson Exp $
'\"
'\"
.so man.macros
.TH ns_adp_puts n 4.5 AOLserver "AOLserver Built-In Commands"
.BS
'\" Note: do not modify the .SH NAME line immediately below!
.SH NAME
ns_adp_append, ns_adp_close, ns_adp_dump, ns_adp_flush, ns_adp_puts, ns_adp_stream, ns_adp_tell, ns_adp_trunc, ns_puts \- ADP output commands
.SH SYNOPSIS
.nf
\fBns_adp_append\fR \fIstring\fR ?\fIstring ...\fR?
\fBns_adp_close\fR
\fBns_adp_dump\fR
\fBns_adp_flush\fR
\fBns_adp_puts\fR ?\fI-nonewline\fR? \fIstring\fR
\fBns_adp_stream\fR
\fBns_adp_tell\fR
\fBns_adp_trunc\fR ?\fIlength\fR?
\fBns_puts\fR ?\fI-nonewline\fR? \fIstring\fR
.fi
.BE
.SH DESCRIPTION
.PP
These commands enable adding to and manipulation of the ADP output
buffer. See \fBns_adp\fR for an overview on ADP pages.
.TP
\fBns_adp_append\fR \fIstring\fR ?\fIstring ...\fR?
This command appends one or more strings to the ADP output buffer.
For the case of a single argument, it is equivalent to \fBns_adp_puts
-nonewline\fR \fIstring\fR.
.TP
\fBns_adp_close\fR
This command can be used to flush and close the underlying HTTP
connection. ADP execution continues after the connection is closed;
any text appended to the output buffer after the close is simply
discarded when processing is complete.
.TP
\fBns_adp_dump\fR
This command returns the text of the ADP buffer.
.TP
\fBns_adp_flush\fR
This command flushes the contents of the ADP buffer to the current
connection or file channel. It will raise a Tcl exception if the
underlying flush failed, for example, if the HTTP connection is
closed or the channel write failed. Flushed content is returned
in "chunked-encoding" format if the HTTP protocol version is at
least 1.1 (normally the case for all modern browsers). A call to
\fBns_adp_flush\fR is not normally needed except for specialized
applications as all content is automatically flushed at the end of
a connection or on buffer overflow. (see \fBns_adp_ctl bufsize\fR
for details on buffer mangement).
.TP
\fBns_adp_puts\fR ?\fI-nonewline\fR? \fIstring\fR
This function appends the specified \fIstring\fR to the ADP
buffer. Unless the optional \fI-nonewline\fR argument is used, a
newline will be appended to the page after the string. Note that
the argument to ns_adp_puts is a single string unlike \fBns_adp_append\fR
which takes a variable number of strings to append.
.TP
\fBns_adp_stream\fR
This function begins streaming mode for the ADP. All data currently
in the ADP output buffer is flushed and any subsequent data will
be output directly to the connection. It is equivalent to an
\fBns_adp_flush\fR followed by an \fBns_adp_ctl bufsize 0\fR.
.TP
\fBns_adp_tell\fR
This function returns the total number of bytes current in the ADP
buffer. A buffer overflow or direct call to \fBns_adp_flush\fR
will reset this counter to zero so the result of \fBns_adp_tell\fR
may not return the total number of bytes eventually sent.
.TP
\fBns_adp_trunc\fR ?\fIlength\fR?
This function can be used to truncate output buffer to the requested
size. This can be useful to trim unintended white space or to clear
a result and generate an error message. Note that content already
streamed to the client, if any, cannot be truncated.
.TP
\fBns_puts\fR ?\fI-nonewline\fR? \fIstring\fR
This command is a deprecated name for \fBns_adp_puts\fR.
.SH "SEE ALSO"
ns_adp(n), ns_adp_include(n)
.SH KEYWORDS
ADP, dynamic pages
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