mirror of
https://codeberg.org/scip/kleingebaeck.git
synced 2025-12-16 12:01:00 +01:00
Thomas von Dein
d2bcd7b505
Recursively create ad dir including output dir. The output dir itself is not being created separately anymore. That way, no directory will be created if no ads could be downloaded.
86 lines
1.7 KiB
Go
86 lines
1.7 KiB
Go
/*
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Copyright © 2023-2024 Thomas von Dein
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package main
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import (
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"bytes"
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"errors"
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"fmt"
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"math/rand"
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"os"
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"os/exec"
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"runtime"
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"time"
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"github.com/mattn/go-isatty"
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)
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func Mkdir(dir string) error {
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if _, err := os.Stat(dir); errors.Is(err, os.ErrNotExist) {
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err := os.MkdirAll(dir, os.ModePerm)
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if err != nil {
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return fmt.Errorf("failed to create directory %s: %w", dir, err)
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}
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}
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return nil
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}
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func man() error {
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man := exec.Command("less", "-")
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var b bytes.Buffer
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b.WriteString(manpage)
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man.Stdout = os.Stdout
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man.Stdin = &b
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man.Stderr = os.Stderr
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err := man.Run()
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if err != nil {
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return fmt.Errorf("failed to execute 'less': %w", err)
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}
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return nil
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}
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// returns TRUE if stdout is NOT a tty or windows
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func IsNoTty() bool {
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if runtime.GOOS == WIN || !isatty.IsTerminal(os.Stdout.Fd()) {
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return true
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}
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// it is a tty
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return false
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}
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func GetThrottleTime() time.Duration {
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return time.Duration(rand.Intn(MaxThrottle-MinThrottle+1)+MinThrottle) * time.Millisecond
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}
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// look if a key in a map exists, generic variant
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func Exists[K comparable, V any](m map[K]V, v K) bool {
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if _, ok := m[v]; ok {
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return true
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}
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return false
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}
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