Summary

Concatenates table items together into a string

Prototype

s = table.concat (t, sep, start, end)

Description

Returns the (numeric) entries in the table t, concatenated together with "sep" as the separator, starting at index 'start' and ending at index 'end'. The entries are returned as a single string variable. Contrast this to the "unpack" function which returns a table as individual variables.

Start defaults to 1 and end the table size.
Sep defaults to an empty string.

t = { "the", "quick", "brown", "fox" }
print (table.concat (t, ';')) --> the;quick;brown;fox

See Also ...

Lua functions

table.foreach - Applies a function to each item in a table
table.foreachi - Applies a function to each item in a numerically-keyed table
table.getn - Returns the size of a numerically-keyed table
table.insert - Inserts a new item into a numerically-keyed table
table.maxn - Returns the highest numeric key in the table
table.remove - Removes an item from a numerically-keyed table
table.setn - Sets the size of a table (obsolete)
table.sort - Sorts a table

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 string functions
Lua syntax
Lua table functions
Lua utilities
Scripting
Scripting callbacks - plugins

(Help topic: lua=table.concat)