= Stata Programs =

'''Programs''' are reusable functions.

<<TableOfContents>>

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== Description ==

Programs are defined and manipulated using the '''`-program-`''' command.

To list all defined programs, try:

{{{
program dir
}}}

To examine a program, try:

{{{
program list foo
}}}

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== Usage ==

The following is the declaration of a simple program that takes two arguments.

{{{
program foo
  args a b
  if "`b'"=="" {
    di "Expected 2 arguments (got 1)"
    exit
  }
  gen `a'=`b'
end
}}}

To delete a program, try:

{{{
program drop foo
}}}

Use `program drop _all` to delete all programs and `program drop _allado` to delete all programs that were loaded from [[Stata/AdoFiles|ado files]]. 



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CategoryRicottone