Zengtudor/DNASequence
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Zengtudor 2024-09-18 15:34:21 +08:00
parent b1ee6b8d03
commit 9dfa5e7bac
2 changed files with 18 additions and 18 deletions
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27
src/main.cpp
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@ -1,4 +1,5 @@
#include <exception> #include <exception>
#include <filesystem>
#include<fstream> #include<fstream>
#include <stdexcept> #include <stdexcept>
#include<string> #include<string>
@ -40,15 +41,6 @@ std::string reverseComplement(std::string DNAsequence)
} }
template <class ...Args>
void check_fstream_isopen(const Args&...args)noexcept(false){
bool is_open=true;
(((!args.is_open())?is_open=false:true),...);
if(is_open==false){
throw std::runtime_error("cannot open file stream ");
}
}
int main() int main()
{ {
@ -59,25 +51,24 @@ int main()
char buf[50000]; char buf[50000];
int lines = 0; int lines = 0;
filesystem::path input_path("filteredReads.txt"),output_path("reversedSequence.txt");
ifstream input_file_stream(input_path);
ofstream output_file_stream(output_path);
ifstream inputFile("filteredReads.txt"); zt::check_fstream_isopen(input_file_stream, output_file_stream);
ofstream outputFile("reversedSequence.txt");
check_fstream_isopen(inputFile,outputFile); zt::print("open file ok!\n");
zt::print("open file ok!");
string l = ""; string l = "";
while (inputFile.getline(buf,50000,'\n')) while (input_file_stream.getline(buf,50000,'\n'))
{ {
int m = lines%2; int m = lines%2;
if (m == 1) if (m == 1)
outputFile << reverseComplement(buf) << endl; output_file_stream << reverseComplement(buf) << endl;
else else
outputFile << buf << endl; output_file_stream << buf << endl;
lines++; lines++;
} }

9
src/tools/tools.hpp
View File

@ -69,4 +69,13 @@ namespace zt {
inline void eprint(){ inline void eprint(){
return; return;
} }
template <class ...Args>
inline void check_fstream_isopen(const Args&...args)noexcept(false){
bool is_open=true;
(((!args.is_open())?is_open=false:true),...);
if(is_open==false){
throw std::runtime_error("cannot open file stream ");
}
}
} }