C + + Sorts large amounts of data inside the text (shell,c++,fopen,awk,sed)

#/bin/bash# sort the data inside the text awk ' begin{rs= ', '}{print $0}end{} ' <a | Sort-n | Sed '/^$/d ' | awk ' begin{rs= ' \ n '; ors= ', '}{print $0}end{} ' |sed ' s/,$//g ' below is the C + + version. ----------------------------------------------------------------------#include <iostream> #include < Stdio.h> #include <stdlib.h>using namespace Std;template<int _n>class bitset{public:bitset () {_Tidy () ;//Call the _tidy () function to initialize all bits to 0.} void Show ()//displays 01 bits. {for (int _i=0;_i<_n;_i++) {cout<< (Test (_i)? ') 1 ': ' 0 ');}} BOOL Test (int _p)//tests whether the location is true (1). {int _i = _p/32;return (a[_i]>> (_p%32)) &0x1;} void _tidy () {for (int _i=0;_i<_w;_i++) {a[_i] = 0;}} void set (int _p)//sets the _p subscript to 1. {int _i = _P/32; A[_i] |= (0x1<< (_p%32));} void printf () {for (int _i=0;_i<_n;_i++) {test (_i) && (cout<<_i<< "");}} Prints the result of the arrangement. Private:typedef Long long;//is a unit array of 4 bytes long. enum{_nw= (_n-1)/(sizeof (long) *8), _w=_nw+1};int a[_w];}; Template<int _n>void deal_what (int &sum,char c,bitset<_n> &a,file *&out{if (c!= ' && c!= ', ' && c!= ' \ n ') {sum= (sum*10+ (c ' 0 ')); return;} Else{a.set (sum);//sets the data to the specified bit. }sum = 0;} Template<int _n>void get_result (bitset<_n> &a,file *&out) {int sum = 0;while (1) {char c = fgetc (out); if (c==eof) {return;} Deal_what<_n> (Sum,c,a,out);}} int get_value (int x,int &n)//number of digits {x && (N=get_value (x/10,n) +1); return n;} Template<int _n>void in_put (bitset<_n> &a,file *&in)//write results to file B.  {for (int _i=0;_i<_n;_i++) {if (A.test (_i)) {int _h=_i;int _k = 0;get_value (_h,_k); int flog = _k;int Save=0;while (1) {int Sum=1; for (int _j=_k;_j>0;_j--) {sum*=10;} char C = ((_h-save*sum)/(SUM/10)) + ' 0 '; Save = _h/(SUM/10); FPUTC (C,in); flog--; _k--;  if (flog==0) break;} FPUTC (", in);}}} int main () {FILE *out = fopen ("A", "A +");  FILE *in = fopen ("B", "A +"); Bitset<100> A;get_result (a,out); In_put (a,in); fclose (out); fclose (in);}

C + + Sorts large amounts of data inside the text (shell,c++,fopen,awk,sed)