01-08-2015
ASCII comma-delimited
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1. The problem statement, all variables and given/known data:
Hi Guys,
I am new on the scripting world and would like ask for help if you can.
Here are my questions below.
1) What Unix commmand(s) would you put in a shell script to read an ASCII comma-delimited input file and validate that field 5 only contains numeric characters?
2) What Unix command(s) would you use from the command line to find all files underneath a given path that have duplicate lines of data?
2. Relevant commands, code, scripts, algorithms:
Perl, awk, cut, uniq
3. The attempts at a solution (include all code and scripts):
Tried this command to tell you honestly I am not sure if this is the right command.
1. sed -e 's/^/| /' -e 's/,/,| /g' -e 's/$/,|/' inputfile | column -t -s,
2 . find . -type f -name '*f*' | sed -r 's|/[^/]+$||' |sort |uniq
4. Complete Name of School (University), City (State), Country, Name of Professor, and Course Number (Link to Course):
This is a work related question some how like a personal research. I was inform by Don Cragun to go here
Note: Without school/professor/course information, you will be banned if you post here! You must complete the entire template (not just parts of it).
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LEARN ABOUT DEBIAN
std::hash
std::hash< _Tp >(3cxx) std::hash< _Tp >(3cxx)
NAME
std::hash< _Tp > -
SYNOPSIS
Inherits std::__hash_base< _Result, _Arg >.
Public Types
typedef _Arg argument_type
typedef _Result result_type
Public Member Functions
size_t operator() (_Tp __val) const
template<> size_t operator() (bool __val) const
template<> size_t operator() (char __val) const
template<> size_t operator() (signed char __val) const
template<> size_t operator() (unsigned char __val) const
template<> size_t operator() (wchar_t __val) const
template<> size_t operator() (char16_t __val) const
template<> size_t operator() (char32_t __val) const
template<> size_t operator() (short __val) const
template<> size_t operator() (int __val) const
template<> size_t operator() (long __val) const
template<> size_t operator() (long long __val) const
template<> size_t operator() (unsigned short __val) const
template<> size_t operator() (unsigned int __val) const
template<> size_t operator() (unsigned long __val) const
template<> size_t operator() (unsigned long long __val) const
template<> size_t operator() (float __val) const
template<> size_t operator() (double __val) const
template<> size_t operator() (long double __val) const
Detailed Description
template<typename _Tp>struct std::hash< _Tp >
Primary class template hash.
Definition at line 58 of file functional_hash.h.
Author
Generated automatically by Doxygen for libstdc++ from the source code.
libstdc++ Tue Nov 27 2012 std::hash< _Tp >(3cxx)