Importing data is usually done with data separated by commas (filename.txt) or tabs (filename.tab).
The next line character can be LF (linefeed), CR (carriage return) or a combination of the two.
Cleaning text is often done in Word (find and replace all) and Excel (for viewing and proofing on either platform) and there are other options depending on the platform.
Mac - textwrangler, free from the makers of bbEdit.
Mac - TextSoap - $40 http://www.unmarked.com/textsoap/
WIN - Top ten ways to clean your data
Below, we review 25 useful text batch processing tools. These tools will help you search and replace text in millions of files in the blink of an eye. Many of them even allow you to use regular expressions to improve your search and replace operations, saving you precious hours on day-to-day text-processing tasks.
NOTE: If your files contain 1,000,000 lines, you may find an SQL database more suitable.
Thank you for your prompt answer. I understand your answer and the details of single line imports. In essence, I interpret your answer as saying that in FMP I cant create non-standard beginning and end of record delimiters, so I should "lean" the text to match the LF delimiter. Did I get that right?