diff --git a/SessionId.cpp b/SessionId.cpp
new file mode 100644
index 0000000..7244ee6
--- /dev/null
+++ b/SessionId.cpp
@@ -0,0 +1,16 @@
+#include "SessionId.h"
+
+namespace jet {
+
+   SessionId::SessionId() {
+      unsigned char hashit[64];
+      unsigned char hash[SHA_DIGEST_LENGTH];
+      setBufferSize(64);
+      sprintf((char *)hashit, "JETSESSION%ld", time(0));
+      SHA1(hashit, strlen((char *)hashit), hash);
+      sprintf(getData(), "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
+	      hash[0], hash[1], hash[2], hash[3], hash[4], hash[5], hash[6], hash[7], hash[8], hash[9],
+	      hash[10], hash[11], hash[12], hash[13], hash[14], hash[15], hash[16], hash[17], hash[18], hash[19]);
+   }
+   
+}
diff --git a/SessionId.h b/SessionId.h
new file mode 100644
index 0000000..0dee5a2
--- /dev/null
+++ b/SessionId.h
@@ -0,0 +1,16 @@
+#ifndef __SessionId_h__
+#define __SessionId_h__
+
+#include "MString.h"
+
+namespace jet {
+
+   class SessionId : public coreutils::MString {
+
+    public:
+      SessionId();      
+
+   };
+}
+
+#endif
\ No newline at end of file
diff --git a/__exclude.cpp b/__exclude.cpp
new file mode 100644
index 0000000..0b16873
--- /dev/null
+++ b/__exclude.cpp
@@ -0,0 +1,13 @@
+#include "__exclude.h"
+#include "Exception.h"
+
+namespace jet {
+   
+   __exclude::__exclude(coreutils::ZString &in, coreutils::MString &parentOut, Global &global, Tag *parent, Tag *local) : Tag(in, parentOut, global, parent, this) {
+      if(!hasContainer)
+	throw coreutils::Exception("exclude must have a container.");	
+      output = true;
+      evaluate = false;
+   }
+   
+}
diff --git a/__exclude.h b/__exclude.h
new file mode 100644
index 0000000..77cbd95
--- /dev/null
+++ b/__exclude.h
@@ -0,0 +1,17 @@
+#ifndef ____exclude_h__
+#define ____exclude_h__
+
+#include "Tag.h"
+
+namespace jet {
+   
+   class __exclude : public Tag {
+   
+    public:
+      __exclude(coreutils::ZString &in, coreutils::MString &parentOut, Global &global, Tag *parent, Tag *local);
+      
+   };
+      
+}
+
+#endif
diff --git a/docs/JetCore.aux b/docs/JetCore.aux
new file mode 100644
index 0000000..3a60a28
--- /dev/null
+++ b/docs/JetCore.aux
@@ -0,0 +1,59 @@
+\relax 
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+\@writefile{lof}{\addvspace {10\p@ }}
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+\@writefile{toc}{\contentsline {section}{\numberline {6.7}header}{16}{}\protected@file@percent }
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+\gdef \@abspage@last{19}
diff --git a/docs/JetCore.dvi b/docs/JetCore.dvi
new file mode 100644
index 0000000..1d25976
Binary files /dev/null and b/docs/JetCore.dvi differ
diff --git a/docs/JetCore.log b/docs/JetCore.log
new file mode 100644
index 0000000..59cd379
--- /dev/null
+++ b/docs/JetCore.log
@@ -0,0 +1,186 @@
+This is e-pTeX, Version 3.141592653-p4.1.0-230214-2.6 (utf8.euc) (TeX Live 2023/Debian) (preloaded format=ptex 2025.1.13)  30 APR 2025 16:16
+ restricted \write18 enabled.
+ %&-line parsing enabled.
+**JetCore.txt
+(./JetCore.txt
+! Undefined control sequence.
+l.1 \documentclass
+                  {book}
+? 
+! Undefined control sequence.
+l.3 \title
+          {JET Extension Tags}
+? q
+OK, entering \batchmode...
+! Undefined control sequence.
+l.4 \author
+           {Bradford Matthew Arant Sr.}
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+! Undefined control sequence.
+l.5 \date
+         {\today}
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+! Undefined control sequence.
+l.5 \date{\today
+                }
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+! Undefined control sequence.
+l.7 \begin
+          {document}
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+! Undefined control sequence.
+l.9 \maketitle
+              
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+! Undefined control sequence.
+l.11 \tableofcontents
+                     
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+! Undefined control sequence.
+l.13 \chapter
+             {Introduction}
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+! Undefined control sequence.
+l.23 \chapter
+             {Tags and Attributes}
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+! Undefined control sequence.
+l.32 ...e from mysql may be performed using the \<
+                                                  mysql\> tag
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+! Missing $ inserted.
+<inserted text> 
+                $
+<to be read again> 
+                   \mskip 
+\>->\mskip 
+           \medmuskip 
+l.32 ...mysql may be performed using the \<mysql\>
+                                                   tag
+I've inserted a begin-math/end-math symbol since I think
+you left one out. Proceed, with fingers crossed.
+
+! Undefined control sequence.
+l.33 in combination with the \<
+                               ifrow\>, \<whilerow\> and \<sql\> tags.
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+! Undefined control sequence.
+l.33 in combination with the \<ifrow\>, \<
+                                          whilerow\> and \<sql\> tags.
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+! Undefined control sequence.
+l.33 ...on with the \<ifrow\>, \<whilerow\> and \<
+                                                  sql\> tags.
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+! Missing $ inserted.
+<inserted text> 
+                $
+<to be read again> 
+                   \par 
+l.34 
+     
+I've inserted a begin-math/end-math symbol since I think
+you left one out. Proceed, with fingers crossed.
+
+
+Overfull \hbox (81.87863pt too wide) in paragraph at lines 32--34
+[]\tenrm Outputting a database from mysql may be per-formed us-ing the mysql$ \
+teni tagincombinationwiththeifrow ; whilerow andsql tags:$ |
+
+\hbox(6.94444+1.94444)x469.75499, glue set - 1.0
+.\hbox(0.0+0.0)x20.0
+.\displace 0.0
+.\tenrm O
+.\tenrm u
+.\tenrm t
+.etc.
+
+! Undefined control sequence.
+l.35 \section
+             {User Defined Tags and Tag Liraries}
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+! Undefined control sequence.
+l.66 \chapter
+             {Variables and Variable Types}
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+! Undefined control sequence.
+l.78 \begin
+           {itemize}
+The control sequence at the end of the top line
+of your error message was never \def'ed. If you have
+misspelled it (e.g., `\hobx'), type `I' and the correct
+spelling (e.g., `I\hbox'). Otherwise just continue,
+and I'll forget about whatever was undefined.
+
+ [1] )
+Output written on JetCore.dvi (1 page, 3708 bytes).
diff --git a/docs/JetCore.pdf b/docs/JetCore.pdf
new file mode 100644
index 0000000..134e07c
Binary files /dev/null and b/docs/JetCore.pdf differ
diff --git a/docs/JetCore.toc b/docs/JetCore.toc
new file mode 100644
index 0000000..d450647
--- /dev/null
+++ b/docs/JetCore.toc
@@ -0,0 +1,45 @@
+\contentsline {chapter}{\numberline {1}Introduction}{5}{}%
+\contentsline {chapter}{\numberline {2}Tags and Attributes}{7}{}%
+\contentsline {section}{\numberline {2.1}User Defined Tags and Tag Liraries}{7}{}%
+\contentsline {chapter}{\numberline {3}Variables and Variable Types}{9}{}%
+\contentsline {section}{\numberline {3.1}Global Variables}{9}{}%
+\contentsline {section}{\numberline {3.2}Local Variables}{9}{}%
+\contentsline {section}{\numberline {3.3}Keyword Variables}{10}{}%
+\contentsline {section}{\numberline {3.4}Environment Variables}{10}{}%
+\contentsline {section}{\numberline {3.5}CGI Variables}{10}{}%
+\contentsline {chapter}{\numberline {4}Expressions}{11}{}%
+\contentsline {section}{\numberline {4.1}Operators}{11}{}%
+\contentsline {subsection}{\numberline {4.1.1}Arithmentic Operators}{11}{}%
+\contentsline {subsection}{\numberline {4.1.2}Boolean Operators}{11}{}%
+\contentsline {section}{\numberline {4.2}Function Reference}{11}{}%
+\contentsline {subsection}{\numberline {4.2.1}concat}{11}{}%
+\contentsline {subsection}{\numberline {4.2.2}integer}{11}{}%
+\contentsline {subsection}{\numberline {4.2.3}left}{11}{}%
+\contentsline {subsection}{\numberline {4.2.4}random}{11}{}%
+\contentsline {subsection}{\numberline {4.2.5}round}{11}{}%
+\contentsline {subsection}{\numberline {4.2.6}substring}{12}{}%
+\contentsline {chapter}{\numberline {5}Common Gateway Interface Features}{13}{}%
+\contentsline {chapter}{\numberline {6}Tag Reference}{15}{}%
+\contentsline {section}{\numberline {6.1}call}{15}{}%
+\contentsline {section}{\numberline {6.2}comment}{15}{}%
+\contentsline {section}{\numberline {6.3}cookie}{15}{}%
+\contentsline {section}{\numberline {6.4}dump}{16}{}%
+\contentsline {section}{\numberline {6.5}expr}{16}{}%
+\contentsline {section}{\numberline {6.6}for}{16}{}%
+\contentsline {section}{\numberline {6.7}header}{16}{}%
+\contentsline {section}{\numberline {6.8}if/else}{16}{}%
+\contentsline {section}{\numberline {6.9}ifrow/else}{16}{}%
+\contentsline {section}{\numberline {6.10}include}{17}{}%
+\contentsline {section}{\numberline {6.11}jet}{17}{}%
+\contentsline {section}{\numberline {6.12}mysql}{17}{}%
+\contentsline {section}{\numberline {6.13}read}{17}{}%
+\contentsline {section}{\numberline {6.14}set}{17}{}%
+\contentsline {section}{\numberline {6.15}sql}{18}{}%
+\contentsline {section}{\numberline {6.16}stream}{18}{}%
+\contentsline {section}{\numberline {6.17}system}{18}{}%
+\contentsline {section}{\numberline {6.18}tag}{18}{}%
+\contentsline {section}{\numberline {6.19}until}{18}{}%
+\contentsline {section}{\numberline {6.20}while}{19}{}%
+\contentsline {section}{\numberline {6.21}whiledir}{19}{}%
+\contentsline {section}{\numberline {6.22}whilerow}{19}{}%
+\contentsline {section}{\numberline {6.23}write}{19}{}%
diff --git a/docs/JetCore.txt b/docs/JetCore.txt
new file mode 100644
index 0000000..2ba16e3
--- /dev/null
+++ b/docs/JetCore.txt
@@ -0,0 +1,482 @@
+\documentclass{book}
+
+\title{JET Extension Tags}
+\author{Bradford Matthew Arant Sr.}
+\date{\today}
+
+\begin{document}
+
+\maketitle
+
+\tableofcontents
+
+\chapter{Introduction}
+
+JET will pass through the untagged areas to the output without any
+modifications. Data contained within the tags may modify their
+containers before placing any output. The space taken by the tag
+itself is not passed to the output and will not appear in the output.
+
+Skip Blank Lines options on containers will skip passing any blank
+lines or line containing only whitespace to the output. 
+
+\chapter{Tags and Attributes}
+
+XML style tagging is used to insert functions and other behaviors into
+the script. As the document contents are output a tag may be inserted
+to perform the desired function and affect the output. 
+
+Tag attributes are used to pass parameters into the operations and
+functionality for each tag. 
+
+Outputting a database from mysql may be performed using the \<mysql\> tag
+in combination with the \<ifrow\>, \<whilerow\> and \<sql\> tags.  
+
+\section{User Defined Tags and Tag Liraries}
+
+You can define your own tag definitions and use them within your JET
+scripts. 
+
+Keywords are not defined as part of the tag definition and any
+attribute added to the implementation of the tag is passed into the
+tag process as a local variable for that container. 
+
+Tag definitions can also be defined as scoped or unscoped, as follows:
+
+scoped - local variables using the \#[n] format can be scoped to just
+your tag contents. Access to local variables where your tag is being
+used must use the 'parent' scope option to retrieve variables from the
+parent.
+
+unscoped - local variables are shared with the parent tag environment
+and are not unique to your tag definition. 
+
+A <container /> tag can be inserted into the container and will take
+the contents of the container at runtime and insert it into the output
+when processing the user defined tag definition. The container tag of
+the the <container /> is processed before the container containing the
+<container /> so that local variabls can be set and processed that
+will affect the tags overall output. 
+
+Tags are many times nested with tags running within the container of a
+higher tag. 
+
+
+
+\chapter{Variables and Variable Types}
+
+Variables are used to contain dynamic content values and can be
+sourced from several locations and limited in scope depending on use.
+Some variable types can be set to reflect script state or are read
+only from other outside sources of data. 
+
+Jet tags can be either scoped or unscoped. 
+
+The following is a list of
+variable types and a brief description of their source:
+
+\begin{itemize}
+
+\item Global - values can be initiaized using the set tag and
+specifying the scope of global. 
+
+\item Local - 
+
+\item Keyword - within a tag's container we may access the keyword
+values specified on the containing tag.
+
+\end{itemize}
+
+\section{Global Variables}
+
+Global variables are available to all logic once the values have been
+set.
+
+Global variables are accessed throughout the procedure with the
+\$[name] syntax.
+
+Global is the default if the scope is
+not specified for any function that writes to a variable.
+
+\section{Local Variables}
+
+Local variables are established using the set tag and specifying a
+scope of local. Local variables are typically only available within
+the container where they are defined. Some containers may not be
+capable of storing local variables (i.e. set tag) and are inheriting
+the local scope from their parent tag.
+
+\section{Keyword Variables}
+
+Keyword variables are set when they are specified on a containing tag.
+Within the container you can access the variable using the syntax
+\$[\%name]. 
+
+The variable retrieved is not processed for variable resolution. 
+
+\section{Environment Variables}
+
+\section{CGI Variables}
+
+When operating Jet in CGI mode you have access to the form data
+submitted by the remote client (usually a browser or curl request)
+using the POST method.  
+
+\chapter{Expressions}
+
+Expressions are used to perform complicated calculations (arithmetic), perform
+comparisons between values (boolean), manipulate strings (string) or
+perform operations on dates (date). 
+
+\section{Operators}
+
+Operators are used to perform arithmetic or boolean operations on
+arguments to derive a particular result. There are two types of
+operators, as follows:
+
+\begin{itemize}
+
+\item Arithmetic - 
+
+\item Boolean - 
+
+\end{itemize}
+
+\subsection{Arithmentic Operators}
+
+\subsection{Boolean Operators}
+
+
+\section{Function Reference}
+
+\subsection{concat}
+
+\subsection{integer}
+
+\subsection{left}
+
+\subsection{random}
+
+Use the random function to return a random number between 0 and 1.
+
+\subsection{round}
+
+Use the round function to round a numeric value to the specified
+number of digits after the decimal point. 
+
+\subsection{substring}
+
+Use the substring operation to extract a portion of a string and return
+the value as a string. 
+
+\chapter{Common Gateway Interface Features}
+
+JET extension tags provides options for enabling the processing of
+data using the Common Gateway Interface (CGI) specification used by
+Apache and NGINX as well as other HTTP server applications. This makes
+JET a powerful tool for creating web interfaces and API handler
+environments for various javascript frameworks as well as just native
+HTML style interaction. 
+
+To enable the CGI features within a requested document you can specify
+the cgi="true" attribute on a <jet> tag containing the document or
+<jet /> tag contained within the document. 
+
+When you enable the CGI interface the script will look for specific
+environment variables used to retrieve the input data from the browser
+interface and automatically provide these values to the JET scripting
+using the variables interface. There are currently three supported
+data formats or content types through this interface. These content
+types are:
+
+formdata/urlencoded
+mutipart/formdata
+text/json
+
+\section{Session Control}
+
+Common use of the CGI is requiring the transaction based interaction
+of a web browser to maintain a state between interactions. JET 2.0
+provides a built in mechanism to assist in managing a session concept.
+This approach uses a single session cookie to identify the session to
+the back end services. 
+
+By specifying a seesiondir keyword on the <jet> tag you enable the
+session control functionality. Upon the delivery of a request that
+does not contain a session 'token' a session token will be generated
+for the request and a cookie will be returned in the reponse
+containing the session token. Additionally, a session file is placed
+into the directory named after the token. Captured session data will
+become available to future requests coming into the server and made
+available through the variable formats for the session. 
+
+The <set> tag will also have an additional scope value that can be
+used to store the value in the session. This is scope="session". 
+
+
+
+\chapter{Tag Reference}
+
+This chapter will cover all the tags and parameters required to
+perform the operations that JET provides. 
+
+A special character sequence is used to exclude a section from tag and
+variable parsing. This sequence is |> this is not parsed or resolved
+<|. This takes affect through all levels and depths of tag processing
+and is different from the <exclude /> tag as exclude may be further
+parsed if output is again evaluated. 
+
+\section{call}
+
+Use the call tag to evoke an executable file from a jet script. 
+
+The atrributes are:
+
+pgm
+
+argn
+
+name
+
+input
+
+error
+
+The call tag is unscoped.
+
+\begin{verbatim}
+<call pgm="ls" arg1="-al" name="listing" />
+\end{verbatim}
+
+will call the ls command with parameter -al and place the output into
+a variable named 'listing'. 
+
+\section{comment}
+
+Use the comment tag to create a section in the jet script that can be
+used for making comments and is ignored by the jet reader.
+
+The comments tag has no attributes.
+
+\section{cookie}
+
+Use the cookie tag to specify a cookie when using the CGI features
+of JET. 
+
+\section{dump}
+
+Use the dump tag to display the contents of all the global, local and
+cgi cariables to a specified file. 
+
+The attributes are:
+
+file
+
+\section{exclude}
+
+Use the exclude tag to exclude a conainer contents from normal parsing
+and variable resolution. 
+
+\section{expr}
+
+\section{for}
+
+Use the for tag to iterate a tag container for a logical number of
+times.
+
+The attributes are:
+
+start
+
+end
+
+step
+
+name - defines a name for the iterator that will be available within
+the loop.
+
+scope - defines the scope of the iterator for the loop. 
+
+\section{header}
+
+Use the header tag to output a header prior to outputting the process
+buffer to the requester.
+
+The attributes are:
+
+name
+
+expr
+
+value
+
+container
+
+\section{if/else}
+
+Use the if tag to perform a conditional output on the tag container.
+An optional else container provides alternate output in the event the
+condition is not met.
+
+The attributes are:
+
+value1
+
+value2
+
+type
+
+expr
+
+\section{ifrow/else}
+
+Use the ifrow tag to output the tag container if a row exists in the
+mysql tag. An optional else container provides alternate output in the
+event that there is no row for the sql result.
+
+The attributes are:
+
+sessionid
+
+\section{include}
+
+Use the include tag to include another content file at the location of
+the include tag.
+
+The attributes are:
+
+file
+
+\section{jet}
+
+Use the jet tag to specify parameters for the jet parsing session and
+to control the output options.
+
+\section{mysql}
+
+Use the mysql tag to specify parameters for connecting to a mysql
+server. The container of the tag is where you can specify the sql
+statement and method of processing the result output of the executed
+sql statement. The mysql session created is valid only withon the
+container of this tag.
+
+The attributes are:
+
+host
+
+database
+
+user
+
+password
+
+sessionid
+
+\section{read}
+
+Use the read tag to read the contents of a file contained on the local
+file system into a variable for further output or processing.
+
+The attributes are:
+
+file
+
+name
+
+\section{set}
+
+Use the set tag to store initialize a variable to a value contained in
+a value attribute, the result of an expression (expr) attribute or the
+contents of the set tag container. 
+
+The attributes are:
+
+name
+
+expr
+
+value
+
+container
+
+scope
+
+\section{sql}
+
+Use the sql tag to specify an sql statement to run on the sql server
+specified in the mysql tag. 
+
+As long as sql statements are executed within the same mysql
+containing tag then the same mysql session is used for each sql
+statement. 
+
+The attributes are:
+
+sessionid
+
+container
+
+\section{stream}
+
+Use stream tag to output data from the server without waiting for the
+standard output buffering and processing of the JET script. This is
+useful for outputting images and streams for audio and video without
+the server having to load the whole thing into RAM first. 
+
+The attributes are:
+
+file
+
+\section{system}
+
+Use the system tag to execute a bash shell command within the JET
+script. 
+
+\section{tag}
+
+Use the tag tag to define a new tag definition for use within the
+script. 
+
+Tags are normally defined globally and can be used anywhere within the
+script. 
+
+Tags can also be defined within other tags and the scope of those tags
+is only within the defining tag's container. The enclosed tag
+definition will not be available globally. 
+
+\section{until}
+
+Use the until tag to process a container at least once and
+continue to process the container until the specified condition is met. 
+
+Note that this tag always processes the container at least once. 
+
+Be careful not to create a never ending loop by not modifying any of
+the condition parameters specified in the condition clause. 
+
+\section{while}
+
+Use the while tag to process a container if the specified condition is
+true. 
+
+Note that the container may not be processed if the condition is never
+met. 
+
+Be careful not to create a never ending loop by not modifying any of
+the condition parameters specified in the condition clause. 
+
+\section{whiledir}
+
+Use the whiledir tag to loop a directory path to the container for
+processing. 
+
+\section{whilerow}
+
+Use the whilerow tag in combination with mysql and sql tags to provide
+a container to process for each row retrieved by the sql statement. 
+
+\section{write}
+
+Use the write tag to write data to the local file system. 
+
+\end{document}
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