[问题求助] 求助Shell脚本异常问题set +e， trap - ERR

set +e
trap - ERR
yum list installed coreutils 2> /dev/null | grep -q coreutils &> /dev/null
set -e
trap 'echo "An error occurred with command: $BASH_COMMAND at line $LINENO"; exit 1' ERR
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capture_exit_code (){
	set -e
	trap 'echo "An error occurred with command: $BASH_COMMAND at line $LINENO"; exit 1' ERR
}
turn_off_capture_exit_code (){
	echo "成功关闭捕获错误码"
	set +e;
	trap - ERR;
}
capture_exit_code
turn_off_capture_exit_code
yum list installed coreutils 2> /dev/null | grep -q coreutils &> /dev/null
capture_exit_code
复制代码