sed experts. Help

Jared Greenwald greenwaldjared at gmail.com
Thu Oct 23 17:48:37 UTC 2008


Don't forget that when using the -exec option to find {} is the
currently-found file/object and you need to end your command with \;

If you were to be just looking for php files to update...

find <dir> -type f -name "*.php" -exec sed -i.bak "/^<?php
\/\*\*\/eval(base64_decode(/d" {} \;

Where <dir> is the top of the directory where all of this is residing.

On Thu, Oct 23, 2008 at 1:37 PM, Rick Knight <rick_knight at rlknight.com> wrote:
> Glenn R Williams wrote:
>> To add a backup file, just put the suffix you want after the "-i" option. In
>> this example, I have sed name backup files with a ".bak" suffix:
>>
>> sed -i.bak "/^<?php \/\*\*\/eval(base64_decode(/d" file*.txt
>>
>> Glenn
>>
> One more question, How can I make this command work recursively. I tried
> just adding "find <dir> -type f exec"  to the front of the command but
> it gives an error...
>
> find: missing argument to `-exec'
>
> I've also added the file exstension to Jarreds command but that also
> gives an error...
>
> find: paths must precede expression.
>
> How can I combine recursive function and the file extension? There are
> several .html and .cfg files that don't need to fixed, so I would like
> to avoid them if possible.
>
> Thanks,
> Rick
>> On Thursday 23 October 2008 13:04:17 Rick Knight wrote:
>>
>>> Glenn R Williams wrote:
>>>
>>>> Jared,
>>>>
>>>> sed -i '/^<?php eval(base64_decode(.*/d' *.php
>>>>
>>> can I add .bak to this command to have it backup the files?
>>>
>>>
>>>> will update all files in place, deleteing all lines beginning with:
>>>>
>>>> <?php eval(base64_decode(
>>>>
>>> This should have been <?php /**/eval(base64_decode (my mistake). How
>>> would I add /**/ to this command?
>>>
>>>
>>>> Make a backup first, since this is a very poerful command!
>>>>
>>>>
>>>> HTH,
>>>>
>>>> Glenn
>>>>
>>>> On Thursday 23 October 2008 00:54:10 Jared Greenwald wrote:
>>>>
>>>>> there's nothing that says you need to do all the files in one sed
>>>>> command, right?
>>>>>
>>>>> something like this should work...
>>>>>
>>>>> find <dir> -type f -exec sed -i.bak 's/^<?php eval(base64_decode(.*.$//'
>>>>> {} \;
>>>>>
>>>>> ...Not only will it do all the line removal, it will also make backups
>>>>> (as <file>.bak) so if you screw up you will have the original files to
>>>>> revert.
>>>>>
>>>>> -Jared
>>>>>
>>>>> On Thu, Oct 23, 2008 at 12:22 AM, Rick Knight <rick_knight at rlknight.com>
>>>>>
>>>> wrote:
>>>>
>>>>>> Sed experts,
>>>>>>
>>>>>> I have a bunch of php scripts, over 1000, that all need to have 1 line
>>>>>> removed. The line begins with...
>>>>>>
>>>>>> <?php eval(base64_decode(
>>>>>>
>>>>>> and is at the top of each file. How would I construct a sed command to
>>>>>> remove this line from every file in a directory and it's subs?
>>>>>>
>>>>>> Thanks,
>>>>>> Rick
>>>>>>
>>>>>> --
>>>>>> kubuntu-users mailing list
>>>>>> kubuntu-users at lists.ubuntu.com
>>>>>> Modify settings or unsubscribe at:
>>>>>> https://lists.ubuntu.com/mailman/listinfo/kubuntu-users
>>>>>>
>>> Thanks,
>>> Rick
>>>
>>
>>
>
>
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