This is a little example in Java to convert a CSV String into an Multidimensional Array, after that i convert the Array back into a CSV String, you could choose the delimiter by yourself. In this case i take the “-” to see the different:
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public class HelloWorld{ public static void main(String []args){ String str="1;2;3\n4;5;6\n7;8;9\n10;11;12"; System.out.println(str); String[][] out = csv2array(str); System.out.print(array2csv(out,"-")); } public static int count(String s, char c) { return s.length()==0 ? 0 : (s.charAt(0)==c ? 1 : 0) + count(s.substring(1),c); } public static String[][] csv2array(String str){ String[] parts = str.split("\n"); String[][] out = new String[count(str,'\n')+1][count(parts[0],';')+1]; for(int i = 0;i< parts.length;++i){ if(!parts[i].equals("")){ out[i] = parts[i].split(";"); } } return(out); } public static String array2csv(String[][] in,String delim){ String out = ""; for(int x = 0;x < in.length;x++){ for(int y = 0;y < in[x].length;y++){ out += (in[x][y]); if(y!=in[x].length-1){ out += delim; } } out += ("\n"); } return(out); } } |
This is the Output, fist block separated with the “;” is the input and with “-” is the output:
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1;2;3 4;5;6 7;8;9 10;11;12 1-2-3 4-5-6 7-8-9 10-11-12 |
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