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digitalmars.D.learn - dmd error - unrecognized file extension

reply Evan Burkey <evan burkey.co> writes:
Hi there, I have a problem that is eluding me, hoping someone can 
help me see the light. I'm on Windows 10 using the latest version 
of dmd. I have a directory with 2 files: "version.txt" and 
"versioncheck.d". version.txt contains a single line of text. I 
have the line:

     immutable version = import("version.txt");

and my dmd switches are:

     dmd -J. .\versioncheck.d

but dmd fails with "Error: unrecognized file extension". I've 
searched the internet but found very little about this problem. 
Hopefully I'm just missing something simple.

Thanks!
Jan 29 2018
next sibling parent reply rjframe <dlang ryanjframe.com> writes:
On Mon, 29 Jan 2018 17:25:34 +0000, Evan Burkey wrote:


 Hi there, I have a problem that is eluding me, hoping someone can help
 me see the light. I'm on Windows 10 using the latest version of dmd. I
 have a directory with 2 files: "version.txt" and "versioncheck.d".
 version.txt contains a single line of text. I have the line:
 
      immutable version = import("version.txt");
 
 and my dmd switches are:
 
      dmd -J. .\versioncheck.d
 
 but dmd fails with "Error: unrecognized file extension". I've searched
 the internet but found very little about this problem. Hopefully I'm
 just missing something simple.
 
 Thanks!


I have the same issue on Windows 10, but Linux works; have you checked the 
issue tracker yet?

It looks like just `dmd -J .\versioncheck.d` should work [I haven't tested 
this properly with an actual string mixin, but I don't get that error this 
way]. On Windows, dmd doesn't seem to like starting with the period.

So if it was in a different directory, instead of `dmd -J.\somedir` on 
Windows you'd need to just do `dmd -Jsomedir`

--Ryan
Jan 29 2018
parent Evan Burkey <evan burkey.co> writes:
On Monday, 29 January 2018 at 18:02:47 UTC, rjframe wrote:

 On Mon, 29 Jan 2018 17:25:34 +0000, Evan Burkey wrote:


 Hi there, I have a problem that is eluding me, hoping someone 
 can help me see the light. I'm on Windows 10 using the latest 
 version of dmd. I have a directory with 2 files: "version.txt" 
 and "versioncheck.d". version.txt contains a single line of 
 text. I have the line:
 
      immutable version = import("version.txt");
 
 and my dmd switches are:
 
      dmd -J. .\versioncheck.d
 
 but dmd fails with "Error: unrecognized file extension". I've 
 searched the internet but found very little about this 
 problem. Hopefully I'm just missing something simple.
 
 Thanks!


 I have the same issue on Windows 10, but Linux works; have you 
 checked the issue tracker yet?

 It looks like just `dmd -J .\versioncheck.d` should work [I 
 haven't tested this properly with an actual string mixin, but I 
 don't get that error this way]. On Windows, dmd doesn't seem to 
 like starting with the period.

 So if it was in a different directory, instead of `dmd 
 -J.\somedir` on Windows you'd need to just do `dmd -Jsomedir`

 --Ryan


So I played around with it a bit more and discovered what the 
problem was. I normally am a Linux/BSD user but am running a 
Win10 machine to test multi-platform compatibility. What I 
discovered is that the Windows version has a special command 
prompt called D2. I was using PowerShell (as that is this 
system's default shell). Once I used the special D2 prompt the 
Unix-style switches worked fine.
Jan 29 2018
prev sibling parent reply Steven Schveighoffer <schveiguy yahoo.com> writes:
On 1/29/18 12:25 PM, Evan Burkey wrote:

 Hi there, I have a problem that is eluding me, hoping someone can help 
 me see the light. I'm on Windows 10 using the latest version of dmd. I 
 have a directory with 2 files: "version.txt" and "versioncheck.d". 
 version.txt contains a single line of text. I have the line:
 
      immutable version = import("version.txt");


version is a keyword, you can't use it here like this. Not sure if this 
is related to your issue directly, but definitely it will show up as an 
error when the compiler looks at it properly.

-Steve
Jan 29 2018
next sibling parent "H. S. Teoh" <hsteoh quickfur.ath.cx> writes:
On Mon, Jan 29, 2018 at 02:12:13PM -0500, Steven Schveighoffer via
Digitalmars-d-learn wrote:

 On 1/29/18 12:25 PM, Evan Burkey wrote:

 Hi there, I have a problem that is eluding me, hoping someone can
 help me see the light. I'm on Windows 10 using the latest version of
 dmd. I have a directory with 2 files: "version.txt" and
 "versioncheck.d".  version.txt contains a single line of text. I
 have the line:
 
      immutable version = import("version.txt");


 
 version is a keyword, you can't use it here like this. Not sure if
 this is related to your issue directly, but definitely it will show up
 as an error when the compiler looks at it properly.


[...]

Granted, though, the error message could have been a lot more helpful
than it is.  As it stands, it didn't even occur to me that `version`
being a keyword was the problem here until you pointed it out. That's a
sign that the compiler error message needs improvement. :-)


T

-- 
Life is too short to run proprietary software. -- Bdale Garbee
Jan 29 2018
prev sibling parent reply Evan Burkey <evan burkey.co> writes:
On Monday, 29 January 2018 at 19:12:13 UTC, Steven Schveighoffer 
wrote:

 version is a keyword, you can't use it here like this. Not sure 
 if this is related to your issue directly, but definitely it 
 will show up as an error when the compiler looks at it properly.


So I tried changing the name to "v.txt" and had the same results: 
PowerShell threw the same errors, but the D2 command prompt 
worked just fine.
Jan 29 2018
parent =?UTF-8?Q?Ali_=c3=87ehreli?= <acehreli yahoo.com> writes:
On 01/29/2018 12:53 PM, Evan Burkey wrote:

 On Monday, 29 January 2018 at 19:12:13 UTC, Steven Schveighoffer wrote:

 version is a keyword, you can't use it here like this. Not sure if 
 this is related to your issue directly, but definitely it will show up 
 as an error when the compiler looks at it properly.


 
 So I tried changing the name to "v.txt" and had the same results: 
 PowerShell threw the same errors, but the D2 command prompt worked just 
 fine.


It's the other "version". :) You can't use a keyword as a symbol:



     immutable version = 1;    // bad
     immutable version_ = 1;   // good

Ali
Jan 29 2018