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Ben Claytonf2de7ea2023-11-16 15:34:12 +00001// Copyright 2023 The Dawn & Tint Authors
2//
3// Redistribution and use in source and binary forms, with or without
4// modification, are permitted provided that the following conditions are met:
5//
6// 1. Redistributions of source code must retain the above copyright notice, this
7// list of conditions and the following disclaimer.
8//
9// 2. Redistributions in binary form must reproduce the above copyright notice,
10// this list of conditions and the following disclaimer in the documentation
11// and/or other materials provided with the distribution.
12//
13// 3. Neither the name of the copyright holder nor the names of its
14// contributors may be used to endorse or promote products derived from
15// this software without specific prior written permission.
16//
17// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
21// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
24// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
25// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28package fileutils
29
30import "strings"
31
32// SplitExt splits the file name at the last '.', returning the no-extension and
33// extension parts.
34func SplitExt(filename string) (noExt, ext string) {
35 noExt, ext = filename, ""
36 if i := strings.LastIndex(filename, "."); i >= 0 {
37 noExt = filename[:i]
38 ext = filename[i+1:]
39 }
40 return
41}