Re: [gentoo-user] fast CLI package-Changelog viewer

[Justin]

Andrew Gaydenko schrieb:
> ======= On Monday 31 March 2008, Etaoin Shrdlu wrote: =======
>
>> On Monday 31 March 2008, 11:31, Andrew Gaydenko wrote:
>>
>>> I agree, my English is ugly. I'll try to explain. Saying "viewer" I
>>> mean something like this:
>>>
>>> logviewer kdelibs
>>>
>>> will "produce" the same output as, say,
>>>
>>> less /usr/portage/kde-base/kdelibs/ChangeLog
>>>
>>> You see, it is impossible to remember all packages' dirs. Of
>>> course, I can use 'q' or 'eix' to find a dir and then type in a
>>> long 'less ...' command. But, well, why do all these 'eix' and 'q'
>>> exist? I think to save some users' time. Is my intention more clear
>>> now? :-)
>>>
>> Neil will surely provide an adequate answer, however, if your needs
>> aren't too sophisticated, you could put together something like
>>
>> $ cat logviewer.sh
>> #!/bin/bash
>>
>> if [ -z "$1" ]; then
>>   echo "Must specify package name!" >&2
>>   exit 1
>> fi
>>
>> p=`eix --only-names -e "$1"`
>>
>> if [ -z "$p" ]; then
>>   echo "$1: No matches found" >&2
>>   exit 1
>> else
>>   howmany=`echo "$p" | wc -l`
>>   if [ "$howmany" -gt 1 ]; then
>>     echo "Many packages with the same name, refine search string:"
>>
>>> &2 echo "$p" >&2
>>>
>>     exit 1
>>   fi
>> fi
>>
>> c="/usr/portage/${p}/ChangeLog"
>>
>> if [ -z "$EDITOR" ]; then
>>   EDITOR=`which vi`
>> fi
>>
>> "$EDITOR" "$c"
>> ---------
>>
>> You can also remove the "-e" from the eix line if you want
>> approximate matching (that will require you to specify the category
>> almost always though).
>> Hope this helps.
>>
>
> Thanks! I definitely must read a bash documentaton :-)
>
I think this will be your friend:

http://tldp.org/LDP/abs/html/