于 2012-1-4 19:26, Wilko Fokken 写道:
On Tue, Dec 27, 2011 at 08:57:55PM +0800, lina wrote:
Hi,
I have two questions, wish to get advice,
Question 1:
For a series of files:
cat a_*.o* | grep "WARNING"
some file like a_1.o12 has WARNING, but others does not have WARNING
How can I let grep ret
On Tue, Dec 27, 2011 at 08:57:55PM +0800, lina wrote:
> Hi,
>
> I have two questions, wish to get advice,
>
> Question 1:
>
> For a series of files:
>
> cat a_*.o* | grep "WARNING"
>
> some file like a_1.o12 has WARNING, but others does not have WARNING
>
> How can I let grep returns the filename?
On Tue, 27 Dec 2011 14:20:02 +0100, lina scribbled:
> On Tuesday 27,December,2011 08:57 PM, lina wrote:
>> Hi,
>>
>> I have two questions, wish to get advice,
>>
>> Question 1:
>>
>> For a series of files:
>>
>> cat a_*.o* | grep "WARNING"
>>
>> some file like a_1.o12 has WARNING, but others does
On Tue, 27 Dec 2011 14:20:02 +0100, lina scribbled:
> On Tuesday 27,December,2011 08:57 PM, lina wrote:
>> Hi,
>>
>> I have two questions, wish to get advice,
>>
>> Question 1:
>>
>> For a series of files:
>>
>> cat a_*.o* | grep "WARNING"
>>
>> some file like a_1.o12 has WARNING, but others does
On Tuesday 27,December,2011 09:51 PM, Tony Baldwin wrote:
On Tue, Dec 27, 2011 at 09:11:45PM +0800, lina wrote:
On Tuesday 27,December,2011 08:57 PM, lina wrote:
Hi,
I have two questions, wish to get advice,
Question 1:
For a series of files:
cat a_*.o* | grep "WARNING"
some file like a_1
On Tue, Dec 27, 2011 at 01:19:20PM GMT, Andrei Popescu wrote:
> To answer the question in your subject I think the correct command to
> use is 'man' :)
Well put, sir! +1 ;^)
Regards,
--
Raf
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On Tue, Dec 27, 2011 at 12:57:55PM GMT, lina wrote:
> Hi,
>
> I have two questions, wish to get advice,
>
> Question 1:
>
> For a series of files:
>
> cat a_*.o* | grep "WARNING"
It's one of the useless uses of cat[0].
Use:
% grep WARNING a_*.o*
instead.
> some file like a_1.o12 has WARNI
On Tue, Dec 27, 2011 at 09:11:45PM +0800, lina wrote:
> On Tuesday 27,December,2011 08:57 PM, lina wrote:
> >Hi,
> >
> >I have two questions, wish to get advice,
> >
> >Question 1:
> >
> >For a series of files:
> >
> >cat a_*.o* | grep "WARNING"
> >
> >some file like a_1.o12 has WARNING, but other
On Tuesday 27,December,2011 09:19 PM, Andrei Popescu wrote:
On Ma, 27 dec 11, 20:57:55, lina wrote:
Hi,
I have two questions, wish to get advice,
Question 1:
For a series of files:
cat a_*.o* | grep "WARNING"
Useless use of 'cat' (grep can open files)
some file like a_1.o12 has WARNING,
On Ma, 27 dec 11, 20:57:55, lina wrote:
> Hi,
>
> I have two questions, wish to get advice,
>
> Question 1:
>
> For a series of files:
>
> cat a_*.o* | grep "WARNING"
Useless use of 'cat' (grep can open files)
> some file like a_1.o12 has WARNING, but others does not have WARNING
>
> How c
On Tuesday 27,December,2011 08:57 PM, lina wrote:
Hi,
I have two questions, wish to get advice,
Question 1:
For a series of files:
cat a_*.o* | grep "WARNING"
some file like a_1.o12 has WARNING, but others does not have WARNING
How can I let grep returns the filename?
I wrote a very-low-
Hi,
I have two questions, wish to get advice,
Question 1:
For a series of files:
cat a_*.o* | grep "WARNING"
some file like a_1.o12 has WARNING, but others does not have WARNING
How can I let grep returns the filename?
Question 2:
ls . | xargs -i -t cp ./{} {}.bak
How does xargs work,
lina wrote:
> Thanks cool. a derived question,
> for a.txt:
> 1 a
> 2 a
> 3 a
> for b.txt
> 1 b
> 2 b
> 3 b
> what if I only interested the 2 filed.
> namely
> a b
> a b
> a b
Are the 1, 2, 3 relevant? So if you had this, what would you expect as
your output -
a.txt
1 a
2 b
3 c
b.txt
1 d
2
* lina (2011-12-23):
[...]
> File_a.txt
> a
> a
> a
>
> File_b.txt
> b
> b
> b
>
> I wish to get a file_ab.txt as
> a b
> a b
> a b
apt-get install coreutils
paste File_a.txt File_b.txt
-André
--
L'art d'ennuyer est de tout dire. [Voltaire]
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On Fri, Dec 23, 2011 at 4:13 PM, Roman Khomasuridze
wrote:
> You can use paste, and/or join. for you particular example
> paste -d ' ' a.txt b.txt > ab.txt
> will work
Thanks cool. a derived question,
for a.txt:
1 a
2 a
3 a
for b.txt
1 b
2 b
3 b
what if I only interested the 2 filed.
namely
a
You can use paste, and/or join. for you particular example
paste -d ' ' a.txt b.txt > ab.txt
will work
Regards
--
Roman
On Fri, Dec 23, 2011 at 12:07 PM, Arno Schuring wrote:
> >
> > well, I have two files:
> >
> > File_a.txt
> > a
> > a
> > a
> >
> > File_b.txt
> > b
> > b
> > b
> >
> > I wis
>
> well, I have two files:
>
> File_a.txt
> a
> a
> a
>
> File_b.txt
> b
> b
> b
>
> I wish to get a file_ab.txt as
> a b
> a b
> a b
>
man 1 paste Regards,Arno
Hi,
(How are you all?)
well, I have two files:
File_a.txt
a
a
a
File_b.txt
b
b
b
I wish to get a file_ab.txt as
a b
a b
a b
I tried, but still don't know which is the best way to do it,
Thanks ahead and wish all have a nice holiday,
Best regards,
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