throws SIGSEV on WSL

[sandeeprenjith]

Using sampler on Windows subsystem for linux throws SIGSEV.

Below is the config file used.

╭─nd33p@trv-wl-srenjith ~
╰─$ cat test.conf
variables:
  sshconnection: ssh [email protected]
textboxes:
  - title: SSH
    pty: true
    init: $sshconnection
    sample: top

Below are the errors thrown

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0x463252] goroutine 45 [running]: io.WriteString(0x0, 0x0, 0xc0005b6018, 0x5, 0x0, 0xc0005b6018, 0x5) /usr/lib/go-1.12/src/io/io.go:293 +0xc2 github.com/sqshq/sampler/data.(*PtyInteractiveShell).execute(0xc0002ea000, 0x0, 0x0, 0x0, 0x0) /home/sqshq/go/src/github.com/sqshq/sampler/data/int_pty.go:70 +0x128 github.com/sqshq/sampler/data.(*Item).nextValue(0xc0000fe180, 0xc0001c0020, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0) /home/sqshq/go/src/github.com/sqshq/sampler/data/item.go:57 +0x60 github.com/sqshq/sampler/data.(*Sampler).sample(0xc0001a6120, 0xc0000fe180, 0xc0000906c0, 0x0, 0x0, 0x0, 0x0) /home/sqshq/go/src/github.com/sqshq/sampler/data/sampler.go:59 +0x58 created by github.com/sqshq/sampler/data.NewSampler.func1 /home/sqshq/go/src/github.com/sqshq/sampler/data/sampler.go:35 +0x86

[sandeeprenjith]

Also getting this in the termui window

 fork/exec /bin/sh: invalid argument

[traveling-developer]

Looks similar to: #51 (comment)