open https://gitlab.synchro.net/main/sbbs/-/issues/914

My error log contains:

term Node 1 <adron> !ERROR 2 (No such file or directory) in writemsg.cpp line 1337 (editfile) creating "/sbbs/data/user/0664.sshkeys" access=-1

It looks like this is created from the following line:

console.editfile(userSSHKeyFilename);

The jsobj documents say that editfile should create the file if it doesn't exist.
--- SBBSecho 3.24-Linux
* Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)

https://gitlab.synchro.net/main/sbbs/-/issues/914#note_7113

Looks like just some ephemeral error, not a reproducible problem with console.editfile() in particular.
```
;eval
Parameter(s): console.editfile("nonexistantfile")
```
after the editor saves the file,
```
Result (boolean): true
```
And the file was in fact created:
```
$ ll /sbbs/ctrl/non*
-rwxrwxrwx 1 sbbs sbbs 14 Apr 22 14:23 /sbbs/ctrl/nonexistantfile
```

So at the very least, the issue title isn't accurate.
--- SBBSecho 3.24-Linux
* Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)

https://gitlab.synchro.net/main/sbbs/-/issues/914#note_7114

Looking at the code, it does appear that if console.editfile() creates a 0-length file, you'd likely get this error:
```
int sbbs_t::process_edited_file(const char* src, const char* dest, int mode, unsigned* lines, unsigned maxlines)
{
char* buf;
long len;
FILE* fp;

if ((len = (long)flength(src)) < 1)
return -1;
```

I wonder if that's what happened in this case.
--- SBBSecho 3.24-Linux
* Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)

https://gitlab.synchro.net/main/sbbs/-/issues/914#note_7115

ah yes, that does appear to be the issue. fseditor.js won't create a 0-length file, but slyedit can/will, so that can trigger that error.
--- SBBSecho 3.24-Linux
* Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)

https://gitlab.synchro.net/main/sbbs/-/issues/914#note_7116

Ah that makes sense. I just tried it with another user and it worked fine so that explains it.
--- SBBSecho 3.24-Linux
* Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)

https://gitlab.synchro.net/main/sbbs/-/issues/914#note_7117

looks like slyedit won't create 0-length file either, it just creates no file when you provide no content:
```
Empty message not sent.
```
--- SBBSecho 3.24-Linux
* Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)

close https://gitlab.synchro.net/main/sbbs/-/issues/914
--- SBBSecho 3.24-Linux
* Origin: Vertrauen - [vert/cvs/bbs].synchro.net (1:103/705)