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	From [log in to unmask] Wed Oct  8 14:49:43 1997
	From: "Jimmy E. Touma" <[log in to unmask]>
	To: <[log in to unmask]>
	Subject: Assumed string length
	Date: Tue, 7 Oct 1997 23:44:31 -0500

	Hello everyone
	I am using MS FPS 4.0 and am having problems with assumed character string
	length. Here is what I am trying to do:

	CHARACTER(2) :: str1, str2
	CHARACTER(len = *) :: str3
	...
	str1 = '1 '
	str2 = '2 '
	str3 = 'file'//Trim(str1)//Trim(str2)//'.dat'

	The error that I get is the following:
	F:\Oct97\07\stark\f90\lines\ImpactLine.f90(108): error FOR3288: assumed
	length is not valid for CHARACTER item.   STR3 Error executing fl32.exe.

	I am trying to use my data to create the names of my output files on the fly
	but apparently I am doing some thing wrong. Can you help?

Try CHARACTER (LEN=10) :: str4
    str4 = str3
and then use trim(str4) instead of trim(str3).
Dummy arguments aren't acceptable in a catenation operation.
	Thanks in advance
	Jim


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