WebDec 5, 2008 · The exit status in your case will always be that of tee and tee seems successful, so you get a zero. You would have to get it before you hand it over to tee. So maybe you are better off to separate both, ie. redirect output in the known way and check the exit status of the command producing and have a look at the written log with tail -f … WebJun 8, 2024 · Bash exit command. The exit command exits the shell with a status of N. It has the following syntax: exit N. If N is not given, the exit status code is that of the last executed command. When used in shell scripts, the value supplied as an argument to the exit command is returned to the shell as an exit code.
Unix shell - View topic - csh exit(status)
WebApr 11, 2024 · 2.对数据进行判断是否能展示. 使用上面正则表达式可以排除输入单个数据或者公式输入数据超过8位的情况,而只匹配包含八位数字、小数点和运算符的运算表达式,从而判断输入字符串是否为有效的运算表达式。. /** * @author CSH * @function 函数功能:对数 … Webtcsh is an enhanced but completely compatible version of the Berkeley UNIX C shell, csh(1). It is a command language interpreter usable both as an interactive login shell and a shell script command processor. ... The shell exits if any invoked command terminates abnormally or yields a non-zero exit status. -f. texas organic mushrooms denison tx
What are the exit statuses of ssh command? - nixCraft
WebApr 8, 2024 · 使用上面两个正则表达式可以排除输入字符串中包含单个数字或者负数的情况,而只匹配包含多个数字和运算符的运算表达式,从而判断输入字符串是否为有效的运算表达式。. /** * @author CSH * @function 函数功能:对数据进行判断是否能展示,匹配包含数字 … Webcauses the C Shell to exit when any invoked command terminates abnormally or yields a non-zero exit status. -f starts the C Shell faster by neither searching for nor executing commands from the $HOME/cshrc.cshfile in your home directory. -H starts the shell in hidden mode. -i WebAug 28, 2024 · You don't need to echo $? in order to test the exit status. Alternatively, you can use the $status variable: grep -q 'Pattern' file if ( $status == 0 ) then echo "Pattern found" else echo "Pattern not found" endif In tcsh, the variable $status may be replaced by $? - but not all csh implementations appear to support this. Share texas organic honey