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Full Discussion: Process duration
Top Forums UNIX for Beginners Questions & Answers Process duration Post 302988844 by daashti on Tuesday 3rd of January 2017 03:54:32 PM
Old 01-03-2017
Hello there,

I am not sure what exactly you trying to a accomplish, however, to know the duration for any task e.g to view a text file using cat use the command time before any task

Code:
time cat file.txt
Hello world
real    0m0.029s
user    0m0.004s
sys    0m0.000s

hope this helps

skip my answer and check MadeInGermany answer

Last edited by daashti; 01-04-2017 at 04:52 AM.. Reason: wrong answer
 

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std::chrono::duration< _Rep, _Period >(3cxx)							      std::chrono::duration< _Rep, _Period >(3cxx)

NAME
std::chrono::duration< _Rep, _Period > - SYNOPSIS
Public Types typedef _Period period typedef _Rep rep Public Member Functions constexpr duration (const duration &) template<typename _Rep2 , typename = typename enable_if<is_convertible<_Rep2, rep>::value && (treat_as_floating_point<rep>::value || !treat_as_floating_point<_Rep2>::value)>::type> constexpr duration (const _Rep2 &__rep) template<typename _Rep2 , typename _Period2 , typename = typename enable_if<treat_as_floating_point<rep>::value || (ratio_divide<_Period2, period>::type::den == 1 && !treat_as_floating_point<_Rep2>::value)>::type> constexpr duration (const duration< _Rep2, _Period2 > &__d) constexpr rep count () const template<typename _Rep2 = rep> enable_if <!treat_as_floating_point < _Rep2 >::value, duration & > ::type operator%= (const rep &__rhs)" template<typename _Rep2 = rep> enable_if <!treat_as_floating_point < _Rep2 >::value, duration & > ::type operator%= (const duration &__d)" duration & operator*= (const rep &__rhs) constexpr duration operator+ () const duration & operator++ () duration operator++ (int) duration & operator+= (const duration &__d) constexpr duration operator- () const duration & operator-- () duration operator-- (int) duration & operator-= (const duration &__d) duration & operator/= (const rep &__rhs) duration & operator= (const duration &) static_assert (!__is_duration< _Rep >::value,'rep cannot be a duration') static_assert (__is_ratio< _Period >::value,'period must be a specialization of ratio') static_assert (_Period::num > 0,'period must be positive') Static Public Member Functions static constexpr duration max () static constexpr duration min () static constexpr duration zero () Detailed Description template<typename _Rep, typename _Period>struct std::chrono::duration< _Rep, _Period > duration Definition at line 221 of file chrono. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ Tue Nov 27 2012 std::chrono::duration< _Rep, _Period >(3cxx)
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