Shell Programming and Scripting

Hi guys sorry for my English I am from GREECE and I speak from translator.I have in my school work to hang the program I've done is thiskremala.txt
encounter the problems is that the meter that I have put on the mistakes does not work (I have not stated anywhere lathi = 0, not to reset the meter at each of the pickup loop) also </span>the following loops I made with a view when the user gives a character and is within the word, the character to appear in subsequent pickups of the loop. but neither seems to work.
{for(i=1;i<=mikos;i++)
{
if(xar[i] ~/[A-Z] /)
{
ch[i]=xar[i];
}
}
};


{for(i=1;i<=mikos;i++)
{
if(ch[i] ~/[A-Z] /)
{
printf("%s",ch[i]);
}

else
{
printf("_ ");
}

}
};


</span>thank you

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