os.difftime
Calculates a time difference in seconds
Prototype
n = os.difftime (t1, t2)Description
Returns the number of seconds from time t1 to time t2.
In other words, the result is t1 - t2.
In other words, the result is t1 - t2.
tstart = os.time ()
-- do something lengthy here ..
tend = os.time ()
print (os.difftime (tend , tstart)) --> 3
tstart = GetInfo (232) -- get high-resolution timer value
-- do something lengthy here ..
tend = GetInfo (232)
print (string.format ("Time taken = %1.3f seconds", tend - tstart))
Lua functions
- os.clock - Amount of elapsed/CPU time used (depending on OS)
- os.date - Formats a date/time string
- os.execute - Executes an operating system command
- os.exit - Attempts to terminate the process
- os.getenv - Returns an operating system environment variable
- os.remove - Deletes a file
- os.rename - Renames a file
- os.setlocale - Sets the current locale to the supplied locale
- os.time - Returns the current time or calculates the time in seconds from a table
- os.tmpname - Returns a name for a temporary file
Topics
- Lua PCRE regular expression functions
- Lua base functions
- Lua bc (big number) functions
- Lua bit manipulation functions
- Lua coroutine functions
- Lua debug functions
- Lua io functions
- Lua math functions
- Lua os functions
- Lua package functions
- Lua script extensions
- Lua string functions
- Lua syntax
- Lua table functions
- Lua utilities
- Scripting callbacks - plugins
- Scripting