[ale] bash commands

[Geoffrey Myers]

On 05/19/2012 10:54 AM, arxaaron wrote:
> On 2012/05/18, at 17:55 , Drifter wrote:
>
>> Thanks.  That did it.
>>
>> sean
>>
>
>
> Pipes ["|"] are for moving output across processes.
>
> I suspect that bash was trying to run your empty text file
> as a process.  "Permission Denied" was an appropriate
> error message.
>
> Redirects [">" |">>"] are for writing output streams to files.
> The first version appends to the file (and creates it if it doesn't
> exist),  the second "double" form overwrites the file (or creates
> it if it doesn't exist)

Backwards there Aaron.

 >  overwrite or create (if file does not exist)
 >> append or create (if file does not exist)

>
> HTH
> peace
> aaron
>
>> ------------------------------------------------------------------------------------
>>
>> On Friday, May 18, 2012 05:37:43 pm Robert L. Harris wrote:
>>> try ">" instead of "|"
>>>
>>> On Fri, May 18, 2012 at 3:27 PM, Drifter<drifter at oppositelock.org>
>> wrote:
>>>> I keep reminding myself that I don't begin to know what I think I
>>>> know! :(
>>>>
>>>> I am about to upgrade this box, finally from FC 13 to FC 14.
>>>> Ought to be simple enough.  I have the CD, which I think will do a
>>>> clean install onto a software RAID.
>>>>
>>>> Prior to that I really ought to have on hand a list of all the
>>>> installed packages.
>>>>
>>>> So I created a file<app_list.txt>  on the Desktop and then tried
>>>> this:
>>>>
>>>> yum list installed | ~/Desktop/app_list.txt
>>>> and got back this
>>>>
>>>> bash: /home/kilpatms/Desktop/app_list.txt: Permission denied
>>>>
>>>> WTF!
>>>>
>>>> So I checked the perms on the existing (empty) file and they were
>>>> correct. Then I tried the same thing as root, expanding the ~/ and
>>>> got the same response.
>>>>
>>>> So, How DO I make yum throw a list of the installed packages to a
>>>> text file rather than to the terminal?
>>>>
>>>> Sean
>>>>
>>>>
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-- 
Until later, Geoffrey

"I predict future happiness for America if they can prevent
the government from wasting the labors of the people under
the pretense of taking care of them."
- Thomas Jefferson