646725efb7
Close #1463 Squashed commit of the following: commit d5bdc939a2ae9f6d1ae879e4225b1dce09657b92 Author: Simon Zolin <s.zolin@adguard.com> Date: Mon Mar 16 16:39:17 2020 +0300 minor commit e15b56a0d9db182f9d30b434584018cb1bf038d5 Author: Simon Zolin <s.zolin@adguard.com> Date: Thu Mar 12 14:39:07 2020 +0300 minor commit 77bf59ca6e556b75af48c5987866af6d5025dae8 Author: Simon Zolin <s.zolin@adguard.com> Date: Thu Mar 12 14:30:04 2020 +0300 minor commit e19c13f82dd408ed638bd4b68d21cdfebbdf782f Author: Simon Zolin <s.zolin@adguard.com> Date: Thu Mar 12 14:24:50 2020 +0300 minor commit 9113c6dae6263aa7ee6e4295c2b60dd3083e2bf0 Author: Simon Zolin <s.zolin@adguard.com> Date: Thu Mar 12 14:02:06 2020 +0300 minor commit 70283e329e32def3375e893f806a2a02d8ca9f57 Author: Simon Zolin <s.zolin@adguard.com> Date: Thu Mar 12 13:35:11 2020 +0300 logical module Filtering commit 837a255c6a04941e9fc007a56d71faf4c4213257 Author: Simon Zolin <s.zolin@adguard.com> Date: Thu Mar 12 13:11:37 2020 +0300 minor commit 1853ed2b57a86dd49508023f47218219399b4fe5 Author: Simon Zolin <s.zolin@adguard.com> Date: Thu Mar 12 12:59:28 2020 +0300 refactor commit 1ba3cc53c76255439fe54693b40ee9665fdc15e4 Author: Simon Zolin <s.zolin@adguard.com> Date: Wed Mar 11 20:12:53 2020 +0300 * filters: optimize update procedure
61 lines
1.1 KiB
Go
61 lines
1.1 KiB
Go
package util
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import (
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"fmt"
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"os"
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"os/exec"
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"path"
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"runtime"
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"strings"
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)
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// fileExists returns TRUE if file exists
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func FileExists(fn string) bool {
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_, err := os.Stat(fn)
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if err != nil {
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return false
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}
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return true
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}
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// runCommand runs shell command
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func RunCommand(command string, arguments ...string) (int, string, error) {
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cmd := exec.Command(command, arguments...)
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out, err := cmd.Output()
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if err != nil {
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return 1, "", fmt.Errorf("exec.Command(%s) failed: %v: %s", command, err, string(out))
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}
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return cmd.ProcessState.ExitCode(), string(out), nil
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}
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func FuncName() string {
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pc := make([]uintptr, 10) // at least 1 entry needed
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runtime.Callers(2, pc)
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f := runtime.FuncForPC(pc[0])
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return path.Base(f.Name())
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}
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// SplitNext - split string by a byte and return the first chunk
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// Whitespace is trimmed
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func SplitNext(str *string, splitBy byte) string {
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i := strings.IndexByte(*str, splitBy)
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s := ""
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if i != -1 {
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s = (*str)[0:i]
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*str = (*str)[i+1:]
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} else {
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s = *str
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*str = ""
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}
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return strings.TrimSpace(s)
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}
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// MinInt - return the minimum value
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func MinInt(a, b int) int {
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if a < b {
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return a
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}
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return b
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}
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