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execlp("echo","echo","$SHELL",NULL")

Posted on 2002-07-21
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Last Modified: 2010-05-18
in the following code, why $SHELL and *.c will not be expanded by Unix shell?

int main()
{ if (fork()==0)
      execlp("echo","echo","$SHELL",NULL);
  else  
      execlp("echo","echo","*.c",NULL);
}
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Question by:ww111697
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Accepted Solution

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ozo earned 50 total points
ID: 7168492
execlp("sh","sh","-c","echo $SHELL",NULL);
else
execlp("sh","sh","-c","echo *.c",NULL);
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Author Comment

by:ww111697
ID: 7169560
It is very good. Thank you very much
0
 

Author Comment

by:ww111697
ID: 7169562
It is very good. Thank you very much
0

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