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f () { if [[ $1 =~ ^[0-9]$ ]];then c_t=`ls -l | grep "^-" | awk -v tt=$1 'NR==tt+1{print$9}'`; elif [[ $1 =~ l[0-9] ]];then l1=`echo $1 |cut -c2`; c_t=`ls -l | grep "^-" | awk -v tt=$l1 '{a[NR]=$9}END{print a[NR-tt]}'`; else c_t=`ls -l | grep "^-" | awk '{print$9}' |grep "$1" |  awk 'NR==1{print$0}'`; fi; echo $c_t; }


d () { if [[ $1 =~ ^[0-9]$ ]];then c_t=`ls -l | grep "^d" | awk -v tt=$1 'NR==tt+1{print$9}'`; elif [[ $1 =~ l[0-9] ]];then l1=`echo $1 |cut -c2`; c_t=`ls -l | grep "^d" | awk -v tt=$l1 '{a[NR]=$9}END{print a[NR-tt]}'`; else c_t=`ls -l | grep "^d" | awk '{print$9}' |grep "$1" |  awk 'NR==1{print$0}'`; fi; echo $c_t; }