... 1--10 seq 5 10: 5--10 seq2 2 10: 2 4 6 8 10 seq 1 2 10: 1 3 5 7 9 seq : 起始数 步进长度 结束数 declare -n(声明变量类型) Num=0 -x ：环境变量 例：LINE=`wc -l /etc/passwd | cut -d‘ ’ -f1` for I in `seq | $LINE`; do echo "###,`head -n $I /et...
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I declare a variable called n. I'm not giving it a value yet, so I had better be careful.
我申明一个变量n，我先不给它赋值，所以我最好小心点。
Each cell has a state, which you can think of as an integer between 0 and n. Listing 1 shows how to declare a cellular automaton universe in Java code.
每个细胞都有一个状态，可以是0到n之间的任意整数。
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