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Subject: RE:  Re: Changing HOME for PERL
Date: Thu, 27 Aug 2009 12:43:46 -0400
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From: <Dexter_Michael AT emc DOT com>
To: <Andrew AT DeFaria DOT com>, <cygwin AT cygwin DOT com>
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Andrew,

I think you hit the nail on the head.  Apparently yesterday when I
entered the path /usr/bin/perl somewhere, Cygwin decided to create a
perl directory and automatically put profile files into the directory it
created.=20=20

.bash_history
.bash_profile
.bashrc
.inputrc

I moved the "perl" directory out of /usr/bin and the SheBang
/usr/bin/perl began working.

As for my path statement I will be trimming that down right next.

If I emailed anyone directly using this forum that was not my intention.
I always meant to hit -reply-to-all-  so sorry if you got mail directly
from me by mistake.

Thanks,
Mike


-----Original Message-----
From: cygwin-owner AT cygwin DOT com [mailto:cygwin-owner AT cygwin DOT com] On Behalf
Of Andrew DeFaria
Sent: Thursday, August 27, 2009 11:45 AM
To: cygwin AT cygwin DOT com
Subject: Re: Changing HOME for PERL

Dexter_Michael AT emc DOT com wrote:
> Yes that is SolidState Perl on the C drive.
Ah.... That'd be ActiveState, not SolidState.
> /usr/bin is in the front.
That makes no sense but perhaps it's a clue. As Jeremy mentioned, which=20
takes each PATH component and checks to see if there's a executable of=20
that name in that path component. If /usr/bin is in the front then=20
theoretically it should see /usr/bin/perl and say "Ah ha! That's where=20
that is" and report back /usr/bin/perl.
> dextem AT USENDEXTEML1C /usr/bin/perl
> $ echo $PATH
> /usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin:/cygdrive/c/Program
> Files/EMC/Centera/4_0/GlobalServices/lib:/cygdrive/c/Program
> Files/EMC/Centera/4_0/GlobalService
>
s/bin:/cygdrive/c/PERL/BIN/:/cygdrive/c/WINNT/SYSTEM32:/cygdrive/c/WINNT
>
:/cygdrive/c/WINNT/SYSTEM32/WBEM:/cygdrive/c/JAVASOFT/JRE/1.4.2_06/BIN:/
> cygdrive/c/JAVAS
>
OFT/JDK/1.4.2_06/BIN:/cygdrive/c/RATIONAL/CLEARCASE/ETC:/cygdrive/c/RATI
>
ONAL/CLEARCASE/ETC/UTILS:/cygdrive/c/RATIONAL/ClearQuest:/cygdrive/c/Mic
> rosoftVisualStud
>
io.NET2003/Common7/IDE:/cygdrive/c/MicrosoftVisualStudio.NET2003/Vc7/BIN
>
:/cygdrive/c/MicrosoftVisualStudio.NET2003/Common7/TOOLS:/cygdrive/c/Mic
> rosoftVisualStud
>
io.NET2003/Common7/TOOLS/bin/prerelease:/cygdrive/c/MicrosoftVisualStudi
>
o.NET2003/Common7/TOOLS/bin:/cygdrive/c/MicrosoftVisualStudio.NET2003/SD
> K/v1.1/bin:/cygd
>
rive/c/WINNT/Microsoft.NET/Framework/v1.1.4322:/cygdrive/c/WINNT/SYSTEM:
>
/cygdrive/c/ORACLE/92/bin:/cygdrive/c/oracle/jre/1.1.7/bin:/cygdrive/c/M
> icrosoftPlatform
> SDK/Bin:/cygdrive/c/MicrosoftPlatformSDK/Bin/winnt:/cygdrive/c/Program
> Files/Rational/ClearCase/bin:/cygdrive/c/Program
> Files/Rational/ClearCase/etc:/cygdrive/c
> /Program
>
Files/Rational/ClearCase/etc/utils:/cygdrive/c/WINNT/system32/WindowsPow
> erShell/v1.0:/cygdrive/c/Program
> Files/Rational/common:/cygdrive/c/Program File
> s/EMC/Centera/4_0/GlobalServices/JCenteraVerify:/cygdrive/c/Program
> Files/Common Files/Roxio Shared/9.0/DLLShared/:"C:/Program
Files/Common
> Files/EMC":/cygdrive
> /c/PROGRA~1/COMMON~1/EMC:/cygdrive/c/Program Files/Support
> Tools/:/cygdrive/c/Program Files/Common Files/Roxio
> Shared/DLLShared/:/cygdrive/c/Program Files/Quick
> Time/QTSystem/:/cygdrive/c/Program Files/Windows
> Imaging/:/cygdrive/c/Program Files/IDM Computer
> Solutions/UltraEdit/:/cygdrive/c/Program Files/IDM Computer Sol
> utions/UltraCompare/:/usr/lib/lapack
My god man that's the most polluted PATH I've seen yet! You have some=20
duplication and a lot of unnecessary stuff (I mean really, does Roxio=20
need to be in there?) I see you're using Clearcase - good boy! :-) But=20
you have it listed several times.

When you get spare time you may wish to clean that up. I tend to keep=20
Windows paths Windows like (e.g. "C:/Program=20
Files/Rational/Clearcase/bin") and Posix paths Posix like (i.e.=20
/usr/bin). This cuts down on PATH length as /cygdrive/c is much longer=20
than C:/.
> dextem AT USENDEXTEML1C /usr/bin/perl
What's this?!? You're in the /usr/bin/perl directory? There isn't any=20
/usr/bin/perl directly?!? Or there shouldn't be!
> $ /usr/bin/perl.exe -de 1
>
> Loading DB routines from perl5db.pl version 1.28
> Editor support available.
>
> Enter h or `h h' for help, or `man perldebug' for more help.
>
> main::(-e:1): 1
> DB<1> q
Actually I said /usr/bin/perl -de 1 not /usr/bin/perl.exe -de 1. Your=20
shebang line doesn's say /usr/bin/perl.exe does it? Maybe exec(1) is=20
getting confused between /usr/bin/perl.exe and /usr/bin/perl the=20
directory? Note that executables, by Windows nature, end in .exe but=20
Unix executables don't. So in order to avoid the ugliness, confusion and

incompatibility of having to do ls.exe and rm.exe, etc. Cygwin treats ls

as ls.exe. Likewise perl as perl.exe. However if exec(1) find that=20
/usr/bin/perl exists in the filesystem as a directory, perhaps it tries=20
to run that or says "Well that's not executable so let me look onward".=20
If you have a /usr/bin/perl directory remove it and try again.
--=20
Andrew DeFaria <http://defaria.com>
Future historians will be able to study at the Gerald Ford Library; the=20
Jimmy Carter Library; the Ronald Reagan Library and the Bill Clinton=20
Adult Bookstore.


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