write_csv

writes comma-separated value file

Calling Sequence

write_csv(M, filename [,sep, dec])

Arguments

:filename a character string. The file path. : :M a matrix of strings. : :sep column separator mark, by default a tabulation: ascii(9) or

“t”.

: :dec decimal mark ‘.’ or ‘,’. By default: ‘,’ :

Description

write_csv(M, filename) writes matrix M into file filename as tab-separated values. The filename input is a string.

If the file ‘filename’ already exists, it is overwritten.

Examples

// save a matrix as csv file format
      A = [1:10] * 0.1;
      write_csv(A, TMPDIR + '/data.tsv');

      // read as text
      `mgetl`_(TMPDIR + '/data.tsv')

      //tab-separated values
      r = `read_csv`_(TMPDIR + '/data.tsv', `ascii`_(9));
      r = `strsubst`_(r, ',' , '.');
      `evstr`_(r)

      A = [1:10] * 0.1;
      write_csv(A', TMPDIR+'/foo.csv', ' ', '.');
      `mgetl`_(TMPDIR+'/foo.csv')

      //tab-separated values
      write_csv(A, TMPDIR + '/datas.tsv');

      //coma-separated values
      write_csv(A, TMPDIR + '/datas.csv', ';');

See Also

• read_csv reads comma-separated value file
• evstr evaluation of expressions
• mgetl reads lines from an text file
• format number printing and display format