[Swift-user] still stuck on fold9.swift

[Hodgess, Erin]

Ok.  We're back to fold9.swift again, but it's saying that there are multiple writers.

These are in /home/erin/swift1.

Is it because of the recursive nature of the a[v+1] setup, maybe?

thanks,
Erin



[erin at communicado swift1]$ swift -tc.file tc.data fold9.swift
Could not start execution.
	variable a has multiple writers.
[erin at communicado swift1]$ cat fold9.swift
type counterfile;  
  
(counterfile t) echo(string m) {   
  app {  
    echo m stdout=@filename(t);  
  }  
}  
  
(counterfile t) countstep(counterfile i) {  
  app {  
    wcl @filename(i) @filename(t);  
  }  
}  
  
counterfile a[]  <simple_mapper;prefix="foldout">;  
  
a[0] = echo("793578934574893");  
  
	iterate v {  
  a[v+1] = countstep(a[v]);  
 trace(@extractint(a[v+1]));
} until (@extractint(a[v+1]) <= 1);  
[erin at communicado swift1]$ cat tc.data
#NOTE WELL: fields in this file must be separated by tabs, not spaces
#           and there must be no trailing whitespace at the end of each line.
#
# sitename      app     pathname        (ignored)       (ignored)       profiles
localhost       echo    /bin/echo       INSTALLED       INTEL32::LINUX  null
teraport        echo    /bin/echo       INSTALLED       INTEL32::LINUX  null
localhost	translate	/usr/bin/tr	INSTALLED	INTEL32::LINUX	null
localhost	R	/home/erin/R-2.9.0/bin/R	INSTALLED	INTEL32::LINUX	null
localhost	wc	/usr/bin/wc	INSTALLED	INTEL32::LINUX	null
localhost       convert	/usr/bin/convert	INSTALLED	INTEL32::LINUX	null
localhost	wcl	/home/erin/swift1	INSTALLED	INTEL32::LINUX	null
[erin at communicado swift1]$ 


Erin M. Hodgess, PhD
Associate Professor
Department of Computer and Mathematical Sciences
University of Houston - Downtown
mailto: hodgesse at uhd.edu

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