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Forum: Programming 06-10-2014
1,982
Posted By bakunin
Every programming language is an abstraction...
Every programming language is an abstraction layer between the bare machine and the human thought process. In some languages this layer is thicker than in others: in Assembler it is very thin (almost...
2,108
Posted By bakunin
If you are uncomfortable, then, by all means,...
If you are uncomfortable, then, by all means, don't use our service. It is as well understandable as it is perfectly within your rights not to seek help here.

The reason why we have this rule in...
2,434
Posted By MadeInGermany
Yes, I have already deleted that from my post.
Yes, I have already deleted that from my post.
2,077
Posted By Akshay Hegde
What is this ? do you know the rules of this...
What is this ? do you know the rules of this forum

(1) No flames, shouting (all caps), sarcasm, bullying, profanity or arrogant posts.

Here people are spending there time to help others, and...
1,360
Posted By alister
While there may be combinations of AWK...
While there may be combinations of AWK implementation and operating system on which your suggestion is faster, I compared it against its predecessor on two combinations and yours was slower...
Forum: What is on Your Mind? 06-23-2013
1,194
Posted By figaro
What would Johnny do?
This year is the 110th birthyear of John von Neumann (born "Neumann Janos"). Interestingly, despite his achievements, both in number and in profoundness, he is hardly known among the general public....
683
Posted By anbu23
$ echo Jun | awk ' {...
$ echo Jun | awk ' { printf("%02d",int(index("JanFebMarAprMayJunJulAugSepOctNovDec",$1)/3)+1) } '
06
Forum: Cybersecurity 06-06-2013
2,620
Posted By verdepollo
Plus, it's never secure enough: ...
Plus, it's never secure enough:

http://imgs.xkcd.com/comics/security.png
1,665
Posted By Don Cragun
Yes. However, there is no need to save the...
Yes. However, there is no need to save the contents of file in a variable. Just use the line:
$(cat geom.txt)in the here document instead of:
geo=$(cat geom.txt)before the here document and:...
1,479
Posted By alister
If you, yourself, the person for whom this task...
If you, yourself, the person for whom this task matters, cannot be bothered to try, why should any of us invest our time? Especially when there is no indication that you have taken any initiative to...
1,642
Posted By Don Cragun
We understand that the command: cat abc.txt |...
We understand that the command:
cat abc.txt | grep 123
prints any line in the file abc.txt that contains the string "123". We understand that the command:
grep 123 abc.txt
does exactly the same...
1,905
Posted By alister
\| is a GNU extension. There is no alternation...
\| is a GNU extension. There is no alternation operator in standard basic regular expression grammar. Outside of GNU (and Busybox, probably, since they explicitly model their implementation on GNU...
1,768
Posted By Yoda
hanson44, I noticed you are so against...
hanson44, I noticed you are so against "spoon-feeding" and even suggested adding a rule.

But how do you explain this thread...
2,471
Posted By hanson44
What's the error message? What's the specific...
What's the error message? What's the specific problem? And please send an example of the directory structure. Then the dears can help you. :D
Forum: What is on Your Mind? 04-12-2013
1,600
Posted By hanson44
Yes, sometimes the point seems to be to make a...
Yes, sometimes the point seems to be to make a one-liner as short and cryptic as possible. It celebrates the brilliance and creativity of the creator. The reader stands back in awe, in amazement that...
1,694
Posted By durden_tyler
perl -e 'print $_%10 for (1..132)' where...
perl -e 'print $_%10 for (1..132)'


where 132 is the length you are testing.
2,819
Posted By Don Cragun
Supposing that you have 1-3 digit user numbers,...
Supposing that you have 1-3 digit user numbers, you could also use:
awk '{print $2 }' ?.usr ??.usr ???.usr > data.txt
without needing to resort to sort and xargs. Obviously, you'll need more terms...
3,399
Posted By alister
I don't have time at this very moment to consult...
I don't have time at this very moment to consult an implementation's source or run some tests (I might in a few hours), but I would bet that you are wrong about this. The integral type with which...
Forum: What is on Your Mind? 02-21-2013
5,857
Posted By Corona688
I've been playing a flight simulator called...
I've been playing a flight simulator called Kerbal Space Program a lot lately. You build rockets and fly them. There's planets, moons (http://burningsmell.org/images/minmus.png), more moons...
7,038
Posted By bakunin
Contrary to the venerable Dons assumption i...
Contrary to the venerable Dons assumption i suppose the field 4 is the number you want to analyze. If i get you correctly your requirement is:

1. only lines with field3="chr3" as Don already...
2,221
Posted By Corona688
Kind of exactly how I've shown you. A="abc" ...
Kind of exactly how I've shown you.

A="abc"
B="def"

read $A$B <<<"string" ...should put the string "string" into the variable named abcdef.

This is how it's often used: read VARNAME ...but...
Forum: Solaris 01-31-2013
11,120
Posted By achenle
Just write an init script. It's simple,...
Just write an init script. It's simple, understandable, and even more important easily maintainable for someone in the future.

SMF services are none of that.

SMF services are great when you...
2,048
Posted By Don Cragun
There was a major difference in the behavior of...
There was a major difference in the behavior of the echo utility (or shell built-in) between 4.2BSD (from the University of California, Berkeley) and UNIX System V (from AT&T Bell Laboratories). In...
1,433
Posted By cero
Try to identify the file via inode number and...
Try to identify the file via inode number and delete it that way:
$ touch ' '
$ ls -i
4907244 4907245 file1.txt 4907246 file2.txt
$ find . -inum 4907244 -exec rm {} \;
$ ls -i
4907245...
3,815
Posted By MadeInGermany
The % character has a special meaning in crontab...
The % character has a special meaning in crontab entries.
man crontab
...You need to escape each % as \%;
'text1%text2' becomes 'text1'\%'text2' and "text3%text4" becomes "text3"\%"text4" (i.e....
Showing results 1 to 25 of 92

 

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