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I think NR isn't the right thing to use, suppose for some lines, field 3 is empty, I think somehow you need an emptiness check and average =s/(NR-numemptylines)

Hi I have two questions.
1. how to convert "EverythingIsFine" to "Everything Is Fine" in a txt file.
2. how to convert everything to upper case letter and reverse, I hope there is a general purpose...

Hi I have fakebook.csv as following:

F1(current date) F2(popularity) F3(name of book) F4(release date of book)
2006-06-21,6860,"Harry Potter",2006-12-31
2006-06-22,,"Harry Potter",2006-12-31...

Thank you , but how to import date from column one of a csv file and then output it. I'm rusty in file manipulations.

Hi ,
I have a csv file and column 1 is date in the cursed YYYY-[M]M-[D]D format. Is there any way to convert 1st column to an absolute date say using 1977-1-1 as day 1?
Thanks a lot.

thanks a lot, so there is no other way? In my school it takes $1000 to get a IP address from the bureaucracy of tech service. I don't want to contact tech service if there is a work around.

I installed sendmail and pine and I could send emails to other people succesffly. However no matter what I try I cannot receive other people's email. The only messages sitting in my pine inbox are...

Hi, both of my /dev/hda and my /dev/hdb contain /boot partition. I'm wondering how to tell which harddrive's /boot is actually being read? Thanks

thanks that's a good way to start if you are installing a brand new system.
But i can't afford a system reinstalltion of my primary hd.

If my primary didn't have LVM partition I would just...

Hi, there are tons of RAID1 tutorials, but none of them deal with lvm. The problem is that I want to expand my current lvm partition over RAID1 rather than creating a new lvm partition after RAID1 is...

thx for reminder

Hi, I'm stuck in an awkward situation please help

I have two identical Seagate 80GB harddrives.
My objective is a bit strange.
1.I want to have a cloned disk as bootable backup
2.When booting...

how to mirror a disk? You mean like setup a software RAID-1. That sounds ok. I hope it's not too complicated to do so. Please tell me instructions.
I think specifically I would need to create RAID-1...

Hi, I'm stuck in an awkward situation please help :)

I have two identical Seagate 80GB harddrives.
My objective is a bit strange.
1.I want to have a cloned disk as bootable backup
2.When...

Thanks a lot ghostdog74. It works!
But it's really slow for large data files.
Join is surprisingly much faster in managing large files, only join couldn't work in this case.

Too bad google didn't support symbol serach.
I wished to find explanations on them on google.

Hi guys, How do I compare two variables using diff?
The way I'm thinking:

#!/bin/sh
a=cat asdf.x | wc -l
b=cat asdf.y |cut -d',' -f5 |grep -v '^$' |wc -l
diff $a $b

How to...

It didn't work!
The join command requires two files to be sorted according the index field.
What I have as index field is a date
07/08/1998
Join can't figure it out on its own., all it sees is 07...

Hi Please help me out with this problem:

I want to have a script that would change the nth field seperator in a line into something else.


like
a,d,4,2,97,8,9
into
a,d,4,2,97/8/9

Thanks

What if in filetwo there are multiple entries for 1999? How do I detect that?

Thanks a lot guys
suppose I want to have a .csv extention, I tried
awk -F"," '{print $1.csv }' databasefile.name didn't work

thanks a lot, but why does it work?
print > $1? print into field 1?
suppose I want to have a .csv extention, I tried
awk -F"," '{print $1.csv }' databasefile.name didn't work

Suppose I have a csv file like this:
27, california , A3
27, vermont, B6
27, ontario, B7
34, kansas, C9
34, washington, A2

How do I split this file into two files according to field1.
file1:...

Hi guys, my supervisor has asked me to solve the problem in 7 days, I've taken 3 days to think about it but couldn't figure out any idea.
Please give me some thoughts with the following problem,
...