#!/bin/bash dashes="----------------------------------------------------------------" printf '| %-20s | %-10s | %-20s |\n' "Device" "Speedgrade" "Clock Period (Freq.)" printf '|:%.20s |:%.10s:| %.20s:|\n' $dashes $dashes $dashes for x in $( grep -H . tab_*/results.txt ) do read _ size device grade _ speed < <( echo "$x" | tr _/: ' ' ) case "$device" in xc7a) d="Xilinx Artix-7T" ;; xc7k) d="Xilinx Kintex-7T" ;; xc7v) d="Xilinx Virtex-7T" ;; esac speedtxt=$( printf '%s.%s ns (%d MHz)' ${speed%?} ${speed#?} $((10000 / speed)) ) printf '| %-20s | %-10s | %20s |\n' "$d" "-$grade" "$speedtxt" done