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revision 1.14 by akim, Sat Oct 13 08:55:09 2001 UTC revision 1.15 by akim, Wed Nov 6 09:35:15 2002 UTC
# Line 3378  The builtin macro @code{esyscmd} is reco Line 3378  The builtin macro @code{esyscmd} is reco
3378  arguments.  arguments.
3379  @end deffn  @end deffn
3380    
3381  Assume you are positioned into the @file{tests} directory of GNU M4  For instance:
 distribution, then:  
3382    
3383  @example  @example
3384  define(`vice', `esyscmd(`grep Vice Makefile')')  define(`authors', `esyscmd(`m4 --version | grep Written')')
3385  @result{}  @result{}
3386  vice  authors
3387  @result{}#  Ty Coon, President of Vice  @result{}Written by Rene' Seindal and Gary V. Vaughan.
3388  @result{}  @result{}
3389  @end example  @end example
3390    

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