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repeat

repeat
You can make code loop by using repeat ... until condition - the test is done at the end of the loop, so the body of the loop is always executed at least once. `local action repeat action = get_action () until action ~= ""` If you want to leave the loop from inside you can use a break statement: `local action local count = 0 repeat action = get_action () count = count + 1 if count > 5 then break end -- if until action ~= ""` The only conditions that are false are the values false and nil - every other value is considered true. If you want to test at the start of the loop use while instead. See Also ... Lua keywords/topics assignment break comments data types do for (generic) for (numeric) function identifiers if / then / else keywords local logical operators precedence relational operators return string literals tables while Topics Lua base functions Lua bc (big number) functions Lua bit manipulation functions Lua coroutine functions Lua debug functions Lua io functions Lua LPEG library Lua math functions Lua os functions Lua package functions Lua PCRE regular expression functions Lua script extensions Lua SQLite (database) interface Lua string functions Lua syntax Lua table functions Lua utilities Scripting Scripting callbacks - plugins (Help topic: lua=repeat)

You can make code loop by using repeat ... until condition - the test is done at the end of the loop, so the body of the loop is always executed at least once.

local action
repeat 
  action = get_action ()
until action ~= ""

If you want to leave the loop from inside you can use a break statement:

local action
local count = 0
repeat 
  action = get_action ()

  count = count + 1
  if count > 5 then
    break
  end -- if

until action ~= ""

The only conditions that are false are the values false and nil - every other value is considered true.

If you want to test at the start of the loop use while instead.

See Also ...

Lua keywords/topics

assignment
break
comments
data types
do
for (generic)
for (numeric)
function
identifiers
if / then / else
keywords
local
logical operators
precedence
relational operators
return
string literals
tables
while

Topics

Lua base functions
Lua bc (big number) functions
Lua bit manipulation functions
Lua coroutine functions
Lua debug functions
Lua io functions
Lua LPEG library
Lua math functions
Lua os functions
Lua package functions
Lua PCRE regular expression functions
Lua script extensions
Lua SQLite (database) interface
Lua string functions
Lua syntax
Lua table functions
Lua utilities
Scripting
Scripting callbacks - plugins

(Help topic: lua=repeat)

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