特定 "ABCDEFGHIJKLMOPQRSTUVWXY"
"ABCDEFGHIJKLMOPQRSTUVWXY"
如何实现这一结果？ "ABCDE-FGHIJ-KLMNO-PQRST-UVWXY"
"ABCDE-FGHIJ-KLMNO-PQRST-UVWXY"
bash awk sed
awk ×1
bash ×1
sed ×1