Bugs for Sorcery are reported here

[bugzilla-daemon AT bugs.sourcemage.org]

http://bugs.sourcemage.org/show_bug.cgi?id=10441

           Summary: new function that might be useful
           Product: Sorcery
           Version: Untargetted future release
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Unknown
        AssignedTo: sm-sorcery-bugs AT lists.ibiblio.org
        ReportedBy: juuso.alasuutari AT tamperelainen.org


I wrote a function that I believe might be useful for various scripting     
purposes.     
     
It takes a string and any number of variable names, and replaces all 
instances     
where the expanded variables occur in the string with their respective     
variable names.     
     
Yeah, I thought that wasn't clear enough...     
     
If:    
URL=http://www.site.org/program/0.99/program-0.99.tar.gz     
SERVER=http://www.site.org     
NAME=program     
VERSION=0.99     
OUTPUT=$(substitute_with_variable_names $URL SERVER NAME VERSION)     
# notice that the variable names after the first one don't have $    
    
Then:    
'echo $OUTPUT' will produce "$SERVER/$NAME/$VERSION/$NAME-$VERSION.tar.gz"    
    
    
More specific wrapper functions can be written that make use of this one.    
Please tell me what you think, and if you think there is reason to include   
this as a "global" sorcery function. (Excuse me if I don't appear to know 
what   
I'm talking about, because I don't. ;))    
    
wu-hsin  
 
PS: The function has a long and ugly name, change it if you wish.  
  
Here's the code: 
  
function substitute_with_variable_names() { 
if [ -n "$1" ]; then 
  local TARGET_STRING="$1" 
  shift 1 
else 
  return 1 
fi 
if [ -n "$1" ]; then 
  while [ -n "$1" ]; do 
    TARGET_STRING=${TARGET_STRING//${!1}/\$$1} 
    shift 1 
  done 
fi 
echo $TARGET_STRING 
}

-- 
Configure bugmail: http://bugs.sourcemage.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug, or are watching the assignee.