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This forum is provided to promote discussion amongst students enrolled in Open Source Tools and Scripting (CITS4407).

Assignment 2 and Clarifications.
 
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sed changing rw to r permissions on files in WSL

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From: Alastair H.  O.P.
Date: Fri 22nd May, 5:12am
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"Maktoom Ahmed"                               wrote:

> "Alastair Haldane"                               wrote:
> 
> > I'm in WSL and experiencing an issue with sed - with -i to edit inline and overwrite 
> > the file ( I believe it does this by creating a temp file initially...) the 
> > permissions of the file in question change from rw to read only. Is this normal 
> > behaviour? 
> > 
> > example for "testfile" (rw permissions): sed -i "s/cat/dog/" testfile
> > returns 
> > "preserving permissions for 'tempfilename......"
> > now, "testfile" has read only permissions. 
> 
> There's a few things. One, make sure you don't already have the file open i.e. some other program is using the file. 
> 
> Otherwise, its likely caused by the Windows Security Settings. Make sure your user has Full Control on the folder, this can be done in the Properties > Security tab. 

Thanks Maktoom, if I run the command with sudo - it works fine, and doesn't change the file permissions. So yes it would seem that the temp file sed creates is tripping me 
up somewhere in windows file permissions.

Related articles

sed changing rw to r permissions on files in WSL (all 7) RSS
├─ original   Thu 21st May, 9:55pm, Alastair H.
├─ reply 1   Thu 21st May, 11:38pm, Maktoom A.
├─ THIS   Fri 22nd May, 5:12am, Alastair H.  O.P.
├─ reply 3   Fri 22nd May, 8:11am, Christopher M.
├─ reply 4   Fri 22nd May, 8:29am, Lee dB.
├─ reply 5   Fri 22nd May, 9:53am, Alastair H.  O.P.
└─ reply 6   Fri 22nd May, 9:55am, Christopher M.
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