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 }