Answer Posted / shah faisal

#Ist trapping the error in a block
eval {
# perl code goes here
};

if ($@) { # $@ is a special variable containing the error
if any else blank
print "Print your own error If u want";
}

# 2nd
# use if or unless for a loop ;ike below
if(chk some condition)
{
die"$!\n"; # if the condition success
}
system generated error is printed and the scirpt is exited
}

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