[Swift-user] multiple files for each app call

[Melinda Chin]

I was trying to do the t.swift tutorial again and I keep getting stuck on
this error.  What does it mean to not be able to find a valid host?  How do
I remedy this?  And another question on the side what's the difference
between swift-user at ci.uchicago.edu and swift-user-owner at ci.uchicago.edu.
For help we can send to both? or usually just swift-user?

*THIS IS WHAT t.swift LOOKS LIKE:*
===============================================================
[mchin at tp-login2 swift]$ cat t.swift
type messagefile;
(messagefile t) greeting (string s) {
        app{
                echo s stdout = @filename(t);
        }
}

(messagefile t) capitalise (messagefile f) {
        app {
                translate "[a-z]" "[A-Z]" stdin = @filename(f) stdout =
@filename(t);
        }
}

messagefile outfile <"greeting.txt">;
messagefile cfile <"capitalised.txt">;

outfile = greeting("hello from Swift");
cfile = capitalise(outfile);
===============================================================

*THIS IS WHAT tc.data LOOKS LIKE:*
===============================================================
[mchin at tp-login2 swift]$ cat tc.data
#This is the transformation catalog.
#
#It comes pre-configured with a number of simple transformations with
#paths that are likely to work on a linux box. However, on some systems,
#the paths to these executables will be different (for example, sometimes
#some of these programs are found in /usr/bin rather than in /bin)
#
#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  transformation  path   INSTALLED  platform  profiles
localhost       echo            /bin/echo       INSTALLED
INTEL32::LINUX  null
localhost       cat             /bin/cat        INSTALLED
INTEL32::LINUX  null
localhost       ls              /bin/ls         INSTALLED
INTEL32::LINUX  null
localhost       grep            /bin/grep       INSTALLED
INTEL32::LINUX  null
localhost       sort            /bin/sort       INSTALLED
INTEL32::LINUX  null
localhost       paste           /bin/paste      INSTALLED
INTEL32::LINUX  null
localhost       translate       /usr/bin/tr     INSTALLED
INTEL32::LINUX  null
===============================================================

*THIS IS THE ERROR MESSAGE:*
===============================================================
[mchin at tp-login2 swift]$ swift t.swift
Swift svn swift-r2950 cog-r2406

RunID: 20090615-1125-6z1ehvf8
Progress:
Progress:  Initializing site shared directory:1
Execution failed:
        Could not find any valid host for task "Task(type=UNKNOWN,
identity=urn:cog-1245083114852)" with constraints
{filenames=[Ljava.lang.String;@1f0a76e, trfqn=translate,
filecache=org.griphyn.vdl.karajan.lib.cache.CacheMapAdapter at 1f0a797,
tr=translate}
===============================================================

Thank you for your help,
Melinda Chin
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