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10-15-2016, 09:00 AM
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#1
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Member
Registered: Jun 2016
Distribution: Ubuntu
Posts: 64
Rep:
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How to edit a readonly zip file using vim?
I tried to edit a zip file and change its content using the following commands
Code:
:set modifiable
:%s/xxA/..\//g
:x!
But it returned the following error
Quote:
W10: Warning: Changing a readonly file
55 substitutions on 10 lines
Press ENTER or type command to continue
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I tried to edit a zip file and change its content using the following commands
:set modifiable
:%s/xxA/..\//g
:x!
But it returned the following error
W10: Warning: Changing a readonly file
55 substitutions on 10 lines
Press ENTER or type command to continue
After I pressed Enter nothing changed. Please guide me to solve this problem.
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10-15-2016, 11:54 AM
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#2
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Senior Member
Registered: Dec 2012
Location: Washington DC area
Distribution: Fedora, CentOS, Slackware
Posts: 4,908
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A read only file is an attribute of the file. You can read the file (which is what vim did), you can make changes (which vim did), but you CANNOT write the file.
What you usually do is write to a different name.
Now a zip file has compressed contents. You really can't edit the contents without first decompressing what you are going to edit. The result of "editing" a zip file is usually garbage. Unusable by zip to decompress (the checksums/decompression fails), meaningless for any use.
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10-15-2016, 12:25 PM
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#3
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Member
Registered: Jun 2016
Distribution: Ubuntu
Posts: 64
Original Poster
Rep:
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10-15-2016, 12:33 PM
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#4
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Senior Member
Registered: Dec 2012
Location: Washington DC area
Distribution: Fedora, CentOS, Slackware
Posts: 4,908
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Quote:
Originally Posted by P.G.Krish
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So you are creating a trojan?
The problem is still that the access rules to the file forbid changing the file. Change the access rules first.
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10-15-2016, 12:46 PM
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#5
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Member
Registered: Jun 2016
Distribution: Ubuntu
Posts: 64
Original Poster
Rep:
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No, I dont want to create trojan . Anyway how to change the access rules. I already change it permission. But no use
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10-15-2016, 12:50 PM
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#6
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Senior Member
Registered: Dec 2012
Location: Washington DC area
Distribution: Fedora, CentOS, Slackware
Posts: 4,908
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Quote:
Originally Posted by P.G.Krish
No, I dont want to create trojan . Anyway how to change the access rules. I already change it permission. But no use
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A simple chmod command will change the access. If you aren't allowed access because someone else owns the file, then you aren't allowed to edit the file. Copy it, edit the copy. BTW, changing the zip file belonging to someone else is considered making a trojan.
Last edited by jpollard; 10-15-2016 at 12:52 PM.
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10-15-2016, 12:55 PM
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#7
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Member
Registered: Jun 2016
Distribution: Ubuntu
Posts: 64
Original Poster
Rep:
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Quote:
Originally Posted by jpollard
A simple chmod command will change the access. If you aren't allowed access because someone else owns the file, then you aren't allowed to edit the file. Copy it, edit the copy.
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But iam the owner of the file, i already try the chmod with 755 permissions ,
Thanks
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10-15-2016, 01:10 PM
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#8
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LQ Guru
Registered: Sep 2009
Location: Perth
Distribution: Arch
Posts: 10,022
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And when you entered that command were you given any errors? Maybe try adding -v to get more information.
I am also confused how the link you supplied has anything to do with your topic as nowhere does it mention a read only file, zip or otherwise.
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10-15-2016, 01:42 PM
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#9
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Member
Registered: Jun 2016
Distribution: Ubuntu
Posts: 64
Original Poster
Rep:
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Quote:
Originally Posted by grail
And when you entered that command were you given any errors? Maybe try adding -v to get more information.
I am also confused how the link you supplied has anything to do with your topic as nowhere does it mention a read only file, zip or otherwise.
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Please read completely that third stage about editing the zip file, In that link
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10-15-2016, 02:10 PM
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#10
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LQ Guru
Registered: Sep 2009
Location: Perth
Distribution: Arch
Posts: 10,022
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I see all the stages and the steps you have followed, however, I repeat, nowhere in the entire page does it say the zip file is read only. It only says that you are editing the zip file.
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10-15-2016, 04:21 PM
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#11
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Senior Member
Registered: Dec 2012
Location: Washington DC area
Distribution: Fedora, CentOS, Slackware
Posts: 4,908
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Just what does "ls -l" report about "your" file?
And if you are on a RH/Centos/Fedora release, what does "ls -lZ" report about the file?
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10-17-2016, 01:12 AM
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#12
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Member
Registered: Jun 2016
Distribution: Ubuntu
Posts: 64
Original Poster
Rep:
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Quote:
Originally Posted by jpollard
Just what does "ls -l" report about "your" file?
And if you are on a RH/Centos/Fedora release, what does "ls -lZ" report about the file?
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This is result of
Quote:
-rwxr-xr-x 1 krish krish 2472 Oct 17 10:38 cmd.zip
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10-17-2016, 02:41 AM
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#13
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Member
Registered: Jun 2016
Posts: 57
Rep:
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Try to 'chattr -i file'.
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10-17-2016, 03:15 AM
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#14
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Member
Registered: Jun 2016
Distribution: Ubuntu
Posts: 64
Original Poster
Rep:
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Quote:
Originally Posted by spiri13
Try to 'chattr -i file'.
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Its not working with this file, spiri13
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10-17-2016, 05:32 AM
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#15
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LQ Guru
Registered: Mar 2004
Distribution: Slackware
Posts: 6,560
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Maybe vim opens the file as read only if a swap file is present and option v:swapchoice = "o" is set in vimrc
You can use ' :set noro ' to exit read only mode in vim
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