csv_write — Read comma-separated value file
csv_write(M, filename[, separator, decimal])
a character string. The file path.
a matrix of strings or double (not complex).
column separator mark, by default a tabulation: ","
decimal mark '.' or ',' by default a '.'
csv_write(M, filename) writes matrix M into filename as comma-separated values. The filename input is a string.
if the file 'filename' already exists, it is overwritten.