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Subject: RE: window command in bash
Date: Tue, 18 Jul 2006 14:11:50 -0400
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From: "Buchbinder, Barry \(NIH/NIAID\) [E]" <BBuchbinder AT niaid DOT nih DOT gov>
To: <cygwin AT cygwin DOT com>
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Igor Peshansky wrote:
> On Tue, 18 Jul 2006, Buchbinder, Barry (NIH/NIAID) [E] wrote:
> 
>> McGraw, Robert P. wrote:
>>> I have a window command that I want to execute in a bash script.
>>> 
>>> In my .bat file the command is
>>> 
>>> 	AgBackup.exe /notext c:\Alligate\agbackupfiles
>>> 
>>> I tried to execute this command in a bash window and the command
>>> works but is does not seem to recognize the parameters. The
>>> "c:\alligate...." is the path where a backup is written. In the bash
>>> script the backup file is written in the default location. [snip]
>>> In a shell script what is the proper way to pass parameters to a
>>> window program?
>> 
>> A Windows program will think that /cygdrive/c/Alligate/agbackupfiles
>> are options, not a path. 
>> 
>> Did you quote the path or escape the backslashes to protect the
>> backslashes from the shell interpreting them as escape characters?
>> 	E.g., AgBackup.exe /notext 'c:\Alligate\agbackupfiles'
>> or
>> 	AgBackup.exe /notext "c:\Alligate\agbackupfiles"
> 
> A minor correction: you still need to escape the backslashes when
> using double quotes, so the right way is 
> 
> 	AgBackup.exe /notext "c:\\Alligate\\agbackupfiles"
> 

Here's what bash does:

/c> echo  "c:\Alligate\agbackupfiles"
c:\Alligate\agbackupfiles

Maybe if one has a variable following the backslash:

/c> echo "xyz\$USER"
xyz$USER
/c> echo "xyz\\$USER"
xyz\BBuchbinder

>> or
>> 	AgBackup.exe /notext c:\\Alligate\\agbackupfiles
>> 
>> You should read
>> <http://cygwin.com/cygwin-ug-net/using-effectively.html>
>> in the Cygwin User's Guide <http://cygwin.com/cygwin-ug-net/>, and
>> especially
>> <http://cygwin.com/cygwin-ug-net/using-effectively.html#id4735437>. 
> 
> HTH,
> 	Igor


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