The Wolfram Language has a powerful symbolic templating framework that can be used with strings, files, XML-like structures, notebooks, and other constructs.

Types of Templates

StringTemplate  ▪  FileTemplate  ▪  XMLTemplate  ▪  NotebookTemplate

TemplateObject — general symbolic template

Symbolic Template Elements

TemplateSlot — a slot to fill when the template is applied

TemplateExpression — an arbitrary expression evaluated when the template is applied

TemplateWith — a way to define local variables inside templates

TemplateIf — a conditional to use when the template is applied

TemplateSequence — specification of a sequence to assemble during template application

Text Transformation »

Pluralize — pluralize a word if appropriate

Capitalize  ▪  TextString  ▪  StringRepeat  ▪  ...

LLM-Based Templates »

LLMFunction  ▪  LLMExampleFunction  ▪  LLMResourceFunction  ▪  LLMPrompt  ▪  ...

Template Syntax in Strings and Text Files

<* expr *> — general template expression (TemplateExpression)

`` — successive template slots (TemplateSlot[1], …)

`i` — numbered template slots

`name` — named template slots (TemplateSlot["name"])

#, #i, #name — template slots appearing inside <* … *>

Template Tags for XML-Like Documents »

<wolfram:expr>…</wolfram:expr> — tags for a template expression

<wolfram:slot> … — tag for a template slot

<wolfram:sequence> … — tag for a template sequence

  ▪    ▪    ▪  ...

Template Notebooks

File ▶ New ▶ Programmatic Notebook ▶ Template Notebook — open a new template notebook

CreateNotebook — programmatically open a blank template notebook

GenerateDocument — generate a report by applying a template notebook to data

— button to insert a slot to be filled from data when the template is applied

— button to insert an expression to be evaluated when the template is applied

Applying Templates

TemplateApply — apply a template, returning the expression generated

FileTemplateApply — apply a template, putting the result in a file

GenerateDocument — generate a report using a template