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mv to data structures, change headings

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@ -1,6 +1,5 @@
--- ---
language: CSV category: Algorithms & Data Structures
filename: learncsv.csv
contributors: contributors:
- [Timon Erhart, 'https://github.com/turbotimon/'] - [Timon Erhart, 'https://github.com/turbotimon/']
--- ---
@ -26,7 +25,7 @@ Bob, 25, 1998-11-02
Charlie, 35, 1988-03-21 Charlie, 35, 1988-03-21
``` ```
**Delimiters for Rows and Columns** ## Delimiters for Rows and Columns
Rows are typically separated by line breaks (`\n` or `\r\n`), while columns Rows are typically separated by line breaks (`\n` or `\r\n`), while columns
(fields) are separated by a specific delimiter. Although commas are the most (fields) are separated by a specific delimiter. Although commas are the most
@ -44,7 +43,7 @@ Bob; 25; 45,75
Charlie; 35; 60,00 Charlie; 35; 60,00
``` ```
**Data Types** ## Data Types
CSV files do not inherently define data types. Numbers and dates are stored as CSV files do not inherently define data types. Numbers and dates are stored as
plain text, and their interpretation depends on the software importing the plain text, and their interpretation depends on the software importing the
@ -59,7 +58,7 @@ Hello World, Interpreted as text (string)
"1234", Interpreted as text instead of a number "1234", Interpreted as text instead of a number
``` ```
**Quoting Strings and Special Characters** ## Quoting Strings and Special Characters
Quoting strings is only required if the string contains the delimiter, special Quoting strings is only required if the string contains the delimiter, special
characters, or otherwise could be interpreted as a number. However, it is characters, or otherwise could be interpreted as a number. However, it is
@ -80,7 +79,7 @@ However, make sure that for one document, the quoting method is consistent.
For example, the last two examples of quoting with either "" or \" would For example, the last two examples of quoting with either "" or \" would
not be consistent and could cause problems. not be consistent and could cause problems.
**Encoding** ## Encoding
Different encodings are used. Most modern CSV files use UTF-8 encoding, but Different encodings are used. Most modern CSV files use UTF-8 encoding, but
older systems might use others like ASCII or ISO-8859. older systems might use others like ASCII or ISO-8859.
@ -89,7 +88,7 @@ If the file is transferred or shared between different systems, it is a good
practice to explicitly define the encoding used, to avoid issues with practice to explicitly define the encoding used, to avoid issues with
character misinterpretation. character misinterpretation.
### More Resources ## More Resources
+ [Wikipedia](https://en.wikipedia.org/wiki/Comma-separated_values) + [Wikipedia](https://en.wikipedia.org/wiki/Comma-separated_values)
+ [RFC 4180](https://datatracker.ietf.org/doc/html/rfc4180) + [RFC 4180](https://datatracker.ietf.org/doc/html/rfc4180)