Write/WriteString -- writing delimited txt to a stream?

*To*: mathgroup at smc.vnet.net*Subject*: [mg57944] Write/WriteString -- writing delimited txt to a stream?*From*: Lee Newman <leenewm at umich.edu>*Date*: Mon, 13 Jun 2005 05:51:08 -0400 (EDT)*Sender*: owner-wri-mathgroup at wolfram.com

Hello, Situation: - I am reading data in from a stream (the file is too big to import) and processing it chunk by chunk. - The proesssed data looks something like data = {{100, 1.5, -10}, {200,3.2, 10},...etc} - I have opened an output stream to write the data using s = OpenWrite[file, FormatType -> OutPutForm]; - I want to write the data in tab or comma separated format with one row per line. Problem: - No matter what I've tried, I always get either (i) output with rows enclosed in brackets, or (ii) delimited text output, but with Mathematica automatically adding a line break if a line exceeds what seems to be the default width for output format - I've tried using Write and WriteString -- nothing seems to work. - I also tried generating an exact string for each line using a function that inserts tabs between list items and adds a newline at the end of the list. ExpressionToTSV[list_] := Module[{temp}, temp = ToString@Rest@(ToString /@ Flatten@({"\t", #} & /@ list)); StringReplace[temp, {"{" -> "", "}" -> "", ", " -> ""}]; StringInsert[temp, "\n", -1] ]; There must be a simple solution -- does anyone know how to do this? Any help would be greatly appreciated, Lee

**Follow-Ups**:**Re: Write/WriteString -- writing delimited txt to a stream?***From:*Igor Antonio <igora@wolf-ram.com>