go_sysutils/terminal/funcs.go

39 lines
1.2 KiB
Go

/*
SysUtils - a library to assist with various system-related functions
Copyright (C) 2020 Brent Saner
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package terminal
import (
"os"
)
// IsShell returns true if the program is running inside an interactive shell (interactive invocation, sudo, etc.), and false if not (cron, ssh exec, pipe, etc.).
// Thanks to https://rosettacode.org/wiki/Check_output_device_is_a_terminal#Go
func IsShell() (interactive bool) {
var stdoutStat os.FileInfo
stdoutStat, _ = os.Stdout.Stat()
if (stdoutStat.Mode() & os.ModeCharDevice) != 0 {
interactive = true
}
return
}