--- In [email protected], Chris Johnson <[EMAIL PROTECTED]> wrote:
>
> Quoted text is from <[EMAIL PROTECTED]>, by
> "[EMAIL PROTECTED]" <[EMAIL PROTECTED]>
>
> >1. About using <CR/LF> in X12.
> >It seems this can be used as a segment terminator.
> >In edifact I sometimes see a 'blocked' (or 'wrapped') output format,
> >where after (typically) 80 characters a <CR/LF> is inserted.
> >In edifact, some (actually a lot of) senders append <CR/LF> after a
> >segment terminator.
> >How is this for X12?
>
>
> CR/LF will appear as a single linefeed character if you read in text
> mode. Since linefeed is valid as a syntax character in X12 (and EDIFACT
> if you use a UNA) a fairly safe approach is to establish first if
> linefeed is used as a syntax character, and if not just ignore
linefeeds
> in the input stream. Analysing an ISA which has been blocked is an
> amusing coding exercise.
>
> In truth it has been a long time since I saw EDI which had been blocked
> as such, although mauling by email system word-wrapping does happen
> occasionally. In my experience inserting linefeed after each segment in
> EDI for live transmission is also uncommon, although presentation
> utilities (and it is also an option in Expedite Base) can do this.
>
> If linefeed *is* used as a syntax character then you cannot reasonably
> be expected to cater for an external system which has inserted
> extraneous examples in the EDI.
>
> Regards
> Chris
> --
> Chris Johnson mobile:+44 (0)7785 302122 Fax: +44 (0)870 0519 818
> EDI website http://www.edimatrix.co.uk
> EDIMatrix Ltd work: 0845 126 0680 or +44 20 8778 1402
> Registered in UK no. 2777624 Reg.Office: 34 Sydenham Rd, London SE26 5QF
>
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