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Full Discussion: Replace 2nd Column
Top Forums Shell Programming and Scripting Replace 2nd Column Post 302752513 by sathyaonnuix on Monday 7th of January 2013 05:24:57 AM
Old 01-07-2013
Code:
# cat file
A    0B 1828
C  100D 1666,C  200D 1727,C  300D 1783,
A    0B 1786
C  200D 1727,C  100D 1666,C  300D 1783,
C  400D 1812,C  600D 1869,C  500D 1841,
C  400D 1812,C  500D 1841,C  600D 1869,
A    0B 1349
C  200D 1727,C  300D 1783,C  100D 1666,
C  400D 1812,C  600D 1869,C  500D 1841,
C  400D 1812,C  500D 1841,C  600D 1869,
A    0B 1129
C  200D 1727,C  300D 1783,C  600D 1869,
C  400D 1812,C  100D 1666,C  500D 1841,
A    0B 1702
C  100D 1666,C  300D 1783,C  600D 1869,
C  400D 1812,C  500D 1841,C  200D 1727,
A    0B 1897
C  200D 1727,C  300D 1783,C  100D 1666,

Code:
# awk '/^A/{$3=1500}1' file
A 0B 1500
C  100D 1666,C  200D 1727,C  300D 1783,
A 0B 1500
C  200D 1727,C  100D 1666,C  300D 1783,
C  400D 1812,C  600D 1869,C  500D 1841,
C  400D 1812,C  500D 1841,C  600D 1869,
A 0B 1500
C  200D 1727,C  300D 1783,C  100D 1666,
C  400D 1812,C  600D 1869,C  500D 1841,
C  400D 1812,C  500D 1841,C  600D 1869,
A 0B 1500
C  200D 1727,C  300D 1783,C  600D 1869,
C  400D 1812,C  100D 1666,C  500D 1841,
A 0B 1500
C  100D 1666,C  300D 1783,C  600D 1869,
C  400D 1812,C  500D 1841,C  200D 1727,
A 0B 1500
C  200D 1727,C  300D 1783,C  100D 1666,

This User Gave Thanks to sathyaonnuix For This Post:
attila
 

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LEARN ABOUT CENTOS

std::uniform_int_distribution

std::uniform_int_distribution< _IntType >(3)		     Library Functions Manual		      std::uniform_int_distribution< _IntType >(3)

NAME

       std::uniform_int_distribution< _IntType > -

SYNOPSIS

   Classes
       struct param_type

   Public Types
       typedef _IntType result_type

   Public Member Functions
       uniform_int_distribution (_IntType __a=0, _IntType __b=std::numeric_limits< _IntType >::max())
       uniform_int_distribution (const param_type &__p)
       template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > void __generate (_ForwardIterator __f, _ForwardIterator __t,
	   _UniformRandomNumberGenerator &__urng)
       template<typename _ForwardIterator , typename _UniformRandomNumberGenerator > void __generate (_ForwardIterator __f, _ForwardIterator __t,
	   _UniformRandomNumberGenerator &__urng, const param_type &__p)
       template<typename _UniformRandomNumberGenerator > void __generate (result_type *__f, result_type *__t, _UniformRandomNumberGenerator
	   &__urng, const param_type &__p)
       result_type a () const
       result_type b () const
       result_type max () const
       result_type min () const
       template<typename _UniformRandomNumberGenerator > uniform_int_distribution
	   < _IntType >::result_type operator() (_UniformRandomNumberGenerator &__urng, const param_type &__param)"
       template<typename _UniformRandomNumberGenerator > result_type operator() (_UniformRandomNumberGenerator &__urng)
       template<typename _UniformRandomNumberGenerator > result_type operator() (_UniformRandomNumberGenerator &__urng, const param_type &__p)
       param_type param () const
       void param (const param_type &__param)
       void reset ()

   Friends
       bool operator== (const uniform_int_distribution &__d1, const uniform_int_distribution &__d2)

Detailed Description
   template<typename _IntType = int>class std::uniform_int_distribution< _IntType >
       Uniform discrete distribution for random numbers. A discrete random distribution on the range $[min, max]$ with equal probability
       throughout the range.

       Definition at line 1666 of file random.h.

Member Typedef Documentation
   template<typename _IntType = int> typedef _IntType std::uniform_int_distribution< _IntType >::result_type
       The type of the range of the distribution.

       Definition at line 1669 of file random.h.

Constructor &; Destructor Documentation
   template<typename _IntType = int> std::uniform_int_distribution< _IntType >::uniform_int_distribution (_IntType__a = 0, _IntType__b =
       std::numeric_limits<_IntType>::max()) [inline],	[explicit]
       Constructs a uniform distribution object.

       Definition at line 1709 of file random.h.

Member Function Documentation
   template<typename _IntType = int> result_type std::uniform_int_distribution< _IntType >::max () const [inline]
       Returns the inclusive upper bound of the distribution range.

       Definition at line 1761 of file random.h.

   template<typename _IntType = int> result_type std::uniform_int_distribution< _IntType >::min () const [inline]
       Returns the inclusive lower bound of the distribution range.

       Definition at line 1754 of file random.h.

   template<typename _IntType = int> template<typename _UniformRandomNumberGenerator > result_type std::uniform_int_distribution< _IntType
       >::operator() (_UniformRandomNumberGenerator &__urng) [inline]
       Generating functions.

       Definition at line 1769 of file random.h.

   template<typename _IntType = int> param_type std::uniform_int_distribution< _IntType >::param () const [inline]
       Returns the parameter set of the distribution.

       Definition at line 1739 of file random.h.

       Referenced by std::operator>>().

   template<typename _IntType = int> void std::uniform_int_distribution< _IntType >::param (const param_type &__param) [inline]
       Sets the parameter set of the distribution.

       Parameters:
	   __param The new parameter set of the distribution.

       Definition at line 1747 of file random.h.

   template<typename _IntType = int> void std::uniform_int_distribution< _IntType >::reset () [inline]
       Resets the distribution state. Does nothing for the uniform integer distribution.

       Definition at line 1725 of file random.h.

Friends And Related Function Documentation
   template<typename _IntType = int> bool operator== (const uniform_int_distribution< _IntType > &__d1, const uniform_int_distribution< _IntType >
       &__d2) [friend]
       Return true if two uniform integer distributions have the same parameters.

       Definition at line 1804 of file random.h.

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

libstdc++							  Tue Jun 10 2014		      std::uniform_int_distribution< _IntType >(3)
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