Shell Programming and Scripting

 
awk '{for (i=$1; i<=$NF ; i++) print i}' list.txt

 
awk '{for (i=$1; i<=$NF ; i++) print i}' list.txt

awk ' {
  for (i=1; i<=NF ; i++)
  {
    if ($i == "&&")
    {
      st=$(i-1);
      en=$(i+1);
      st++;
      while (st < en)
      {
         print st;
         st++;
      }
    }
    else
        print $i;
  }
}' list.txt

awk '{if(NF==1){print $1} else { for(Val=$1; Val<=$3; Val++) print Val  } } ' File_Name

awk '{for(Val=$1; Val<=$NF; Val++) print Val  } ' File_Name

awk ' {
  for (i=1; i<=NF ; i++)
  {
    if ($i == "&&")
    {
      st=$(i-1);
      en=$(i+1);
      st++;
      while (st < en)
      {
         print st;
         st++;
      }
    }
    else
        print $i;
  }
}' list.txt

[~]$ awk  -f ./x/extract.awk
awk: ./x/extract.awk:1: awk ' {
awk: ./x/extract.awk:1:     ^ invalid char ''' in expression
awk: ./x/extract.awk:1: awk ' {
awk: ./x/extract.awk:1:     ^ syntax error