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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
ns_adp_append string ?string ...? ns_adp_close ns_adp_dump ns_adp_flush ns_adp_puts ?-nonewline? string ns_adp_stream ns_adp_tell ns_adp_trunc ?length? ns_puts ?-nonewline? string _________________________________________________________________
These commands enable adding to and manipulation of the ADP output buffer. See ns_adp for an overview on ADP pages. ns_adp_append string ?string ...? This command appends one or more strings to the ADP output buffer. For the case of a single argument, it is equivalent to ns_adp_puts -nonewline string. ns_adp_close 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. ns_adp_dump This command returns the text of the ADP buffer. ns_adp_flush 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 ns_adp_flush 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 ns_adp_ctl bufsize for details on buffer mangement). ns_adp_puts ?-nonewline? string This function appends the specified string to the ADP buffer. Unless the optional -nonewline 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 ns_adp_append which takes a variable number of strings to append. ns_adp_stream 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 ns_adp_flush followed by an ns_adp_ctl bufsize 0. ns_adp_tell This function returns the total number of bytes current in the ADP buffer. A buffer overflow or direct call to ns_adp_flush will reset this counter to zero so the result of ns_adp_tell may not return the total number of bytes eventually sent. ns_adp_trunc ?length? 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. ns_puts ?-nonewline? string This command is a deprecated name for ns_adp_puts.
ADP, dynamic pages