gistfile1.sh

function searchManifests() {  for jarFile in \`ls $1/\*jar\`;  do echo $jarFile; 
unzip -p $jarFile META-INF/MANIFEST.MF | perl -e 'while(){
if($\_ =\~ /$ARGV[0]:\\s([\^\\s]\*)\\s/){print " " . $1 . "\\n";exit;}}
print " no match \\n";' $2; done } 
{% endhighlight %}
Or a bit more readable 
{% highlight bash %}
function searchManifests() { 
  for jarFile in \`ls $1/\*jar\`; 
  do echo $jarFile; unzip -p $jarFile META-INF/MANIFEST.MF | 
    perl -e ' 
      while(){ 
        if($\_ =\~ /$ARGV[0]:\\s([\^\\s]\*)\\s/){ 
          print " " .$1 . "\\n"; exit; 
        } 
      } 
      print " no match \\n"; ' $2; done 
}