[ale] bash commands

[Lightner, Jeff]

Is ALE mailer broken?  I got this email 3 times.





-----Original Message-----
From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of Matthew
Sent: Monday, May 21, 2012 10:03 AM
To: Atlanta Linux Enthusiasts
Subject: Re: [ale] bash commands

Never use pipe | for that, usually in this context, "cat doc |grep hello"

On 5/21/12, Geoffrey Myers <lists at serioustechnology.com> wrote:
> On 05/18/2012 05:27 PM, Drifter 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!
>
> The | is used to send the put of a command for processing by another
> command, thus your attempt above is going to try to execute your
> app_list.txt file.  You want to redirect the output to the file:
>
> yum list installed > ~/Desktop/app_list.txt
>
>>
>> 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
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