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题解 | #打印字母数小于8的单词#

awk string concat awk ' { s = $0 n = length(s) l = 1; for (i = 1; i <= n; i++) { c = substr(s, i, 1); if (c !~ /[a-...

bash

2022-05-13

0 197

题解 | #求平均值#

shell awk代码 awk ' NF < 0 { if (NR > 1) s += $1 } END {printf "%.3f\n", s / (NR - 1)} '

bash

2022-05-13

1 207

题解 | #打印每一行出现的数字个数#

awk代码 awk ' { split($0,a,"") cnt = 0 n = length(a) for (i = 0; i < n; i++) { if (a[i] == 1 || a[i] == 2 || a[i] == 3 || a[i...

bash

2022-05-13

0 209