/tmp/ccx8ycA6.o: In function `main':
main.cpp:(.text+0x10): undefined reference to `cla::mostrar()'
collect2: ld returned 1 exit status

#include "class.h"
 

#include "main.h"
 
int main()
{
	cla c;
	c.mostrar();
	return 1;
}
 

class cla
{
	public:
		void mostrar();
};
 

#include <iostream>
using namespace std;
#include "class.h"
 
void cla::mostrar()
{
	cout << "hola, te muestro :P" << endl;
}

g++ main.cpp class.cpp

if [ $line = $(ls -1 | head -n1) ]

if [$line=$(ls -1 | head -n1)]

/bin/bash: línea 38: 24.jpg=0-fondos-pantalla-oceanos-1024.jpg: no se encontró la orden

StrAux += IntToStr(IntCont) + ChrNum;

Dim StrCadena As String
 
Private Sub Command1_Click()
 Timer1.Enabled = True
End Sub
 
Private Sub Form_Load()
 
 StrCadena = "1"
 List1.AddItem "1"
End Sub
 
Private Sub Timer1_Timer()
 
 Dim i As Integer
 Dim IntCont As Integer: IntCont = 0
 
 Dim ChrNum As String
 
 Dim StrAux As String: StrAux = ""
 
 ChrNum = Mid(StrCadena, 1, 1)
 
 For i = 1 To Len(StrCadena)
 
    If ChrNum = Mid(StrCadena, i, 1) Then
 
      IntCont = IntCont + 1
    Else
 
      StrAux = StrAux + CStr(IntCont) + ChrNum
      IntCont = 1
      ChrNum = Mid(StrCadena, i, 1)
    End If
 Next i
 
 StrCadena = StrAux + CStr(IntCont) + ChrNum
 List1.AddItem StrCadena
 
 List1.Selected(List1.ListCount - 1) = True
List1.Selected(List1.ListCount - 1) = False
End Sub
 

#include <string>
#include <iostream>
using namespace std;
 
string IntToStr(int numero)
{
  stringstream cvz;
  cvz << numero;
  return cvz.str();
}
 
int main(void)
{
 int i=0;
 int IntCont = 0;
 char ChrNum;
 
 string StrCadena ="1";
 string StrAux = ""; 
 
 ChrNum =  StrCadena[i]; 
 
 for (;;)
 {
 
   for (i=1; i <= StrCadena.size() ;i++)
   {
     if (ChrNum ==  char(StrCadena[i]))
      {
        IntCont++; 
      }
      else
      {
        StrAux += IntToStr(IntCont) + ChrNum;
        ChrNum =  StrCadena[i]; 
        IntCont = 1;
      }
    }
    StrCadena = StrAux + IntToStr(IntCont) + ChrNum;
    cout << StrCadena << endl;
 
 };
 
 return 0;
}