github.com/cloudfoundry/libcfbuildpack@v1.91.23/helper/find_files.go (about)

     1  /*
     2   * Copyright 2018-2020 the original author or authors.
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *      https://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package helper
    18  
    19  import (
    20  	"os"
    21  	"path/filepath"
    22  	"regexp"
    23  )
    24  
    25  // FindFiles searches a directory structure for files matching the provided pattern, returning their full paths if found.
    26  func FindFiles(root string, pattern *regexp.Regexp) ([]string, error) {
    27  	var f []string
    28  
    29  	err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
    30  		if err != nil {
    31  			return err
    32  		}
    33  
    34  		if m := pattern.MatchString(path); m {
    35  			f = append(f, path)
    36  		}
    37  
    38  		return nil
    39  	})
    40  
    41  	return f, err
    42  }