Hi Jon,

> (while T
>     (let L (line)
>         (prinl "Hello " (pack (trim L) "!") ) ) )

I haven't tried this specifically now, but I see two problems:

1. The loop

      (while T

   will never terminate. I would use

      (until (eof)

2. The PicoLisp always interprets the current input channel. This is,
   while a file is being 'load'ed, this very same file. So if you
   intend to read from standard input (what I assume here), you need
   an explicit

      (in NIL
         (until (eof)

> /greeter.l: line 6: syntax error near unexpected token `('
> /greeter.l: line 6: `    (let L (line)'

This, however, seems another problem. Obviously Bash tries to execute
this script. Something must have been wrong with the "#!" notation, so
that it was not recognized.

♪♫ Alex
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