Guida avanzata di scripting Bash - Portale Posta DMI

# Set variable to pass as parameter to "display" function.
avar=‘echo ${array[@]}‘ # Convert array back to string variable.
display "$avar" # Display it.
echo; echo
echo "Generation $generation - $alive alive"
if [ "$alive" -eq 0 ]
then
echo
echo "Premature exit: no more cells alive!"
exit $NONE_ALIVE # No point in continuing
fi #+ if no live cells.
}
# =========================================================
# main ()
# Load initial array with contents of startup file.
initial=( ‘cat "$startfile" | sed -e ’/#/d’ | tr -d ’\n’ |\
sed -e ’s/\./\. /g’ -e ’s/_/_ /g’‘ )
# Delete lines containing ’#’ comment character.
# Remove linefeeds and insert space between elements.
clear # Clear screen.
echo # Title
echo "======================="
echo " $GENERATIONS generations"
echo " of"
echo "\"Life in the Slow Lane\""
echo "======================="
# -------- Display first generation. --------
Gen0=‘echo ${initial[@]}‘
display "$Gen0" # Display only.
echo; echo
echo "Generation $generation - $alive alive"
# -------------------------------------------
let "generation += 1" # Increment generation count.
echo
# ------- Display second generation. -------
Cur=‘echo ${initial[@]}‘
next_gen "$Cur" # Update & display.
# ------------------------------------------
Appendice A. Script aggiuntivi
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