[問題] 如何計算字串中空白的數目?
請問在 shell script 中,
如何計算字串中空白的數目?
例如
"a bc d e" 應該有四個
" abc d " 應該有五個
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 96.55.113.197
推
08/19 11:32, , 1F
08/19 11:32, 1F
→
08/19 11:33, , 2F
08/19 11:33, 2F
→
08/19 11:33, , 3F
08/19 11:33, 3F
→
08/19 11:34, , 4F
08/19 11:34, 4F
→
08/19 11:35, , 5F
08/19 11:35, 5F
→
08/19 11:36, , 6F
08/19 11:36, 6F
→
08/19 11:47, , 7F
08/19 11:47, 7F
→
08/19 11:53, , 8F
08/19 11:53, 8F
→
08/19 14:42, , 9F
08/19 14:42, 9F
推
08/19 16:21, , 10F
08/19 16:21, 10F
推
08/19 18:51, , 11F
08/19 18:51, 11F
推
08/22 02:09, , 12F
08/22 02:09, 12F