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- From: tottinge@csci.csc.com (Tim Ottinger)
- Message-ID: <4ibvn8$4gr@venus.roc.csci.csc.com>
- X-Original-Date: Fri, 15 Mar 96 13:48:15 GMT
- Path: in2.uu.net!bounce-back
- Date: 15 Mar 96 15:06:25 GMT
- Approved: fjh@cs.mu.oz.au
- Newsgroups: comp.std.c++
- Subject: istrstreams and width
- Organization: CSC CIS - TRIS DIVISION
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-
- We've already worked around this (identified two way to do so) but we
- wonder why it doesn't work this way:
-
- Given:
- istrstream source;
- int i;
- string s;
- source >> setw(2) >> i >> s;
-
- With fixed length fields (yes, we have to read mainframe data from time to
- time, and a few other odd sources), sometimes the fields are butted up against
- each other, and sometimes the strings have initial digit characters i them.
-
- When the stream contains "01115 N Neil", it would be nice if "01" and "115 N
- Neil" were broken out, but every compiler we try pulls "01115" as the number,
- and "N Neil" is the string.
-
- Of course, if we insert whitespace or use read, this works. And we should use
- read() because we're doing fixed length, but I was wondering why setw()
- doesn't apply to integer extractors.
-
- Surely a lot of people have to read fixed-length records, and this is a common
- thing.
-
- Any thoughts?
- Tim
-
- ******************************************************************************
- * Tim Ottinger, Sr Tech tottinge@csci.csc.com *
- * CSC Communications Industry Services 217-351-8508x2420 *
- * TRIS Division -- Cellular Billing and Support Fax 217-351-2640 *
- ******************************************************************************
- * Requirements have always been the least stable part of any project I have *
- * worked upon. -- Robert Martin via Usenet 12/02/95 *
- ******************************************************************************
- ---
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