Check the status of your command using system, and try getting rid of all those quotes: 
my $cmd = "egrep -f $_proj_file $_running_file > $_admin_temp_file";
print $cmd, "\n";
my $result = system $cmd;
print "result of egrep = $result\n"

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In reply to Re: problem in running UNIX command through perl by toolic
in thread problem in running UNIX command through perl by kprasanna_79

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