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Re: [Chicken-users] Adding (system->string) somewhere


From: Ozzi
Subject: Re: [Chicken-users] Adding (system->string) somewhere
Date: Mon, 14 Jan 2008 08:03:04 -0600
User-agent: Thunderbird 2.0.0.9 (Macintosh/20071031)

Yes, that egg was pointed out to me. It's a neat egg, but I feel more complicated than necessary 9 times out of 10.

Ivan Raikov wrote:
Hello,

  If I understand this description correctly, the runcmd egg has this
functionality. Take a look at its documentation and see if it would
work for you.

   -Ivan


Ozzi <address@hidden> writes:

Could we get something akin to (system->string) added to Chicken
somewhere? Summary from:

http://practical-scheme.net/wiliki/schemexref.cgi?system-%3estring

"Appends all strings, then calls the result string as a command, and
collects the output from the command into a string to be returned. See
system."

I am using the following code, which just takes a single string:

(define (system->string cmd)
  (string-chomp (with-input-from-pipe cmd read-all)))

Either the library or posix units look like good candidates to me.





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