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Correctly handle CSV files with a single separator throughout

better auto-detection of CSV delimiter
- files with a tsv extension are automatically detected as tab delimited
- other files parsed as CSV go through the following steps:
  - if the first line contains at least 3 of the same separator, it uses that separator as a delimiter
  - if the first line contains only one supported separator character, it uses that separator as a delimiter
  - otherwise it falls back to treating all supported delimiters as the delimiter

 supported delimiters, in precedence order:
 - comma `,`
 - semi-colon `;`
 - tab `\t`
 - pipe `|`
This commit is contained in:
Keith Hall
2021-12-13 23:29:44 +02:00
committed by Keith Hall
parent ac40f7cfd8
commit 512bfde7ce
14 changed files with 419 additions and 38 deletions

View File

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foo,bar,baz,this|that,test,colors,cycle
1.2,1.7,2.5,blah;cool,test,colors,cycle
1 foo bar baz this|that test colors cycle
2 1.2 1.7 2.5 blah;cool test colors cycle