findcmd_groovy.sh

#!/usr/bin/env groovy

// Trying it in Groovy as a shell script (just for fun)

import java.util.regex.Pattern

// All folders on the path which have contents:
path = System.env[ 'PATH' ]
         .tokenize( File.pathSeparator )
         .collect( { new File( it ) } )
         .findAll { it.directory && it.listFiles() }

args.collect { it.toLowerCase() }.each { name ->
  println "--- $name --->"
  counter = 0
  path.each { folder ->
    children = folder.list()
    found = children.findAll { child ->
      child.toLowerCase().indexOf( name ) > -1 
      || Pattern.compile( name, Pattern.CASE_INSENSITIVE ).matcher( child ).find()
    }
    if( found ) {
      if( folder.getAbsolutePath().indexOf( " " ) > -1 ) {
        println "\"$folder\":"
      }
      else {
        println "$folder:"
      }
      println "  ${found.join ', '}"
    }
    counter += found.size
  }
  println()
}