This repository was archived by the owner on Jun 5, 2024. It is now read-only.

Commit f5877e2

authored

improved example for multiple field duplicate detection

1 parent 6aeebc7 commit f5877e2Copy full SHA for f5877e2

File tree

-1

lines changed

-1

lines changed

Lines changed: 2 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -1712,9 +1712,10 @@ $ awk -M '!(2ドル in seen){c++} {seen[2ドル]} END{print +c}' duplicates.txt`
`1712`	`1712`
`1713`	`1713`	* For multiple fields, separate them using `,` or form a string with some character in between
`1714`	`1714`	`* choose a character unlikely to appear in input data, else there can be false matches`
	`1715`	+ * `FS` is a good choice as fields wouldn't contain separator character(s)
`1715`	`1716`
`1716`	`1717`	```bash
`1717`		`-$ awk '!seen[2ドル"_"3ドル]++' duplicates.txt`
	`1718`	`+$ awk '!seen[2ドル FS 3ドル]++' duplicates.txt`
`1718`	`1719`	`abc 7 4`
`1719`	`1720`	`food toy ****`
`1720`	`1721`	`test toy 123`

Comments

(0)