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Parse a text file containing quotation marks

 

We have a semicolon-separated csv file. Its first column is enclosed by double quotation marks and also contains semicolons.

cars;countries;grades;color;speed

"car1;car2;car3;car4;car5;car6;car7;car8;car8";USA;26;green;230

"car11;car12;car13;car14;car15;car16;car17;car18;car18";CHINA;23;red;190

Task: Use Java to parse the csv file as a standard two-dimensional table for the convenience of later querying.


cars

countries

grades

color

speed

1

"car1;car2;car3;car4;car5;car6;car7;car8;car8"

USA

26

green

230

2

"car11;car12;car13;car14;car15;car16;car17;car18;car18"

CHINA

23

red

190

Write the following SPL code:

=file(\"data.csv\").import@tp(;,\";\")

import()function parses the text file as a two-dimensional table; @t enables importing column headers, and @p enables to handle matching of special characters (quotation marks and parentheses), except for the internal separators, during parsing.

Read How to Call a SPL Script in Java to find how to integrate SPL into a Java application.

Source: https://stackoverflow.com/questions/72412780/reading-csv-files-when-having-double-quotes-in-a-value

 
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