[root@150-95-173-241 processlog]# go run org_main.go -logdir=/root/log ./test.sh
/root/log
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x498f3d]

goroutine 1 [running]:
fmt.Fprintln(0x0, 0x0, 0xc00007af48, 0x1, 0x1, 0x0, 0x0, 0x0)
        /usr/local/go/src/fmt/print.go:266 +0x5d
main.main()
        /root/go/src/processlog/org_main.go:76 +0x349
exit status 2
[root@150-95-173-241 processlog]#
[root@150-95-173-241 processlog]# go run org_main.go ./test.sh -logdir=/root/log

exit status 0
wall clock time=1.895041ms system time=1.681ms user time=0s