Making a script to copy files not seen before (using md5sum) Post: 302852203

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std::basic_ostream_sentry

std::basic_ostream< _CharT, _Traits >::sentry(3)	     Library Functions Manual		  std::basic_ostream< _CharT, _Traits >::sentry(3)

NAME

       std::basic_ostream< _CharT, _Traits >::sentry -

SYNOPSIS

   Public Member Functions
       sentry (basic_ostream< _CharT, _Traits > &__os)
       ~sentry ()
       operator bool () const

Detailed Description
   template<typename _CharT, typename _Traits = char_traits<_CharT>>class std::basic_ostream< _CharT, _Traits >::sentry
       Performs setup work for output streams.

       Objects of this class are created before all of the standard inserters are run. It is responsible for exception-safe prefix and suffix
       operations.

       Definition at line 400 of file ostream.

Constructor &; Destructor Documentation
   template<typename _CharT, typename _Traits> std::basic_ostream< _CharT, _Traits >::sentry::sentry (basic_ostream< _CharT, _Traits > &__os)
       [explicit]
       The constructor performs preparatory work.

       Parameters:
	   __os The output stream to guard.

       If the stream state is good (__os.good() is true), then if the stream is tied to another output stream, is.tie()->flush() is called to
       synchronize the output sequences.

       If the stream state is still good, then the sentry state becomes true (okay).

       Definition at line 47 of file ostream.tcc.

       References std::ios_base::failbit, std::basic_ios< _CharT, _Traits >::good(), std::basic_ios< _CharT, _Traits >::setstate(), and
       std::basic_ios< _CharT, _Traits >::tie().

   template<typename _CharT, typename _Traits = char_traits<_CharT>> std::basic_ostream< _CharT, _Traits >::sentry::~sentry () [inline]
       Possibly flushes the stream. If ios_base::unitbuf is set in os.flags(), and std::uncaught_exception() is true, the sentry destructor calls
       flush() on the output stream.

       Definition at line 428 of file ostream.

       References std::ios_base::badbit, std::uncaught_exception(), and std::ios_base::unitbuf.

Member Function Documentation
   template<typename _CharT, typename _Traits = char_traits<_CharT>> std::basic_ostream< _CharT, _Traits >::sentry::operator bool () const
       [inline],  [explicit]
       Quick status checking.

       Returns:
	   The sentry state.

       For ease of use, sentries may be converted to booleans. The return value is that of the sentry state (true == okay).

       Definition at line 449 of file ostream.

Author
       Generated automatically by Doxygen for libstdc++ from the source code.

libstdc++							  Tue Jun 10 2014		  std::basic_ostream< _CharT, _Traits >::sentry(3)

10 More Discussions You Might Find Interesting

1. Solaris

making copy of 0 level dump via ufsdump

Discussion started by: vishalsngh

2. Shell Programming and Scripting

Running md5sum on a list of files

Discussion started by: SDelroen

3. UNIX for Dummies Questions & Answers

Making a copy of an Magneto Optical Disk

Discussion started by: drew_holm

4. Shell Programming and Scripting

Making script show command (e.g. copy) being executed and variable substitution?

Discussion started by: gr0124