lua-mkstemp

generate a unique temporary file name from the template, creates and opens the file.

Installation

luarocks install mkstemp

Usage

local mkstemp = require('mkstemp')
local f, err, pathname = mkstemp('/tmp/lua_XXXXXX')
assert(f, err)
print(pathname) -- /tmp/lua_Wo6kHb

Error Handling

the following functions return the error object created by https://github.com/mah0x211/lua-errno module.

f, err, pathname = mkstemp( tmpl )

this function takes the given file name template tmpl and overwrites a portion of it to create a file name and the template file.

see man mkstemp for more details.

Parameters

• tmpl:string: filename template.

Returns

• f:file: a lua file handle.
• err:error: error object on failure.
• pathname:string: pathname of the created file.