模式 | 操作 | 說明 |
---|---|---|
1 | 模式為真,默認為打印 | |
NR > 0 | { print } | 有紀錄時打印(恆真) |
1 | { print } | 模式為真,則打印(預設值) |
{ print } | 無模式則為真,明確的打印 | |
$1 ~ /jones/ | 選定字段 1 包含 jones 的紀錄 | |
(FNR == 3), (FNR == 10) | 選定每個輸入文件的第 3 至第 10 筆紀錄 |
Created
June 28, 2021 07:41
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