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Pattern:
Mary walks at the park every day with her children


sed 's/$/ /'

will make it add 1 space at the end (trailing)

I want to add X ($VARIABLE) number of spaces (which comes from...

I want to limit all *outbound* traffic on eth0 (or all *.*) on port 25 to a specific (allowed) range...

I.E.
192.168.1.5 (local ip) tries to connect to 1.2.3.4:25 (outside real world ip)

It...

Thanks, that's a good solution!

Hello,

Here I have some grep command which is not working correctly:

cat file1.txt:
apples
Date: Sun, 24 Feb 2013 8:14:06 -0800
peaches melons
cherry sky cloud
green purple
yellow

cat...

I want to test if script.sh is being run with nohup ... but $0 does not contain nohup part...

purpose: script.sh should only be ran with nohup if user forgets nohup then it should echo "run with...

I have a script which uses READ to detect choice of menu option...now I want to change the script without doing whole rewrite such that when user runs ./script.sh 5 it would execute menu option 5...

Hello,

Input file looks like this:
apples
bananas
oranges and rice
pears
cherries
mango

I want output to look like this:
apples bananas
oranges and rice pears
cherries mango

It...

Hi, thanks for those solutions. I will try them out.

The purpose is to optimize the method I am doing. I think it's not as efficient as it could be.

Hi guys, I am currently using this to save first 50 lines into top50.txt and delete them from list.txt ... it's 2 commands:

head -n 50 list.txt > top50.txt && sed -i "1,50 d" list.txt

I want to...

Thanks, really good suggestions/examples in this thread. This is not for homework but an actual script I am doing.

The variable N is set upon start of script so while loop runs and keeps running because N is not being updated when loop is running:

N becomes less than 9 but it still runs (should be "done").......

ok guys, solved, thanks!

Hello,

Currently I have:

FILE=/home/file.txt

if [ -f $FILE ];
then
echo "File $FILE exists"
else
echo "File $FILE does not exist"
fi
exit


I would like to make it such that...

Thanks Agama!

Hi Agama,

Thank you for that, but it seems a bit complicated...

This is working atm...


# Random character generator
randomizer()
{
randomize=`cat /dev/urandom | tr -dc "a-z0-9" | fold...

Hey guys,

I need to first generate some random characters, which I am already doing perfectly as follows:
randomize=`cat /dev/urandom | tr -dc "a-z0-9" | fold -w 6 | head -n 1`

This is where I...

This is an example input:
blank2@blank.com
blank44@blank.com
blank221@blank.co
blank233@blank.com

Output should be:
blank2@blank.com
blank44@blank.com
blank221@blank.com
blank233@blank.com...

Hello,

I have sed to change improperly entered email address such as:
blank@blank.co --> blank@blank.com (it should be)

I am using this:
sed 's/blank.co/blank.com/g'

Problem is it makes...

oh I got it...thats what I wanted was to define a function....I'll test that out...

Thanks!

---------- Post updated at 10:38 PM ---------- Previous update was at 09:47 PM ----------

Thanks,...

Hi rdcwayx,

With the case command how does it know that option 2 and 3 are the same command just one thing different the variable declared $DIR?


Thanks,
Holyearth

Hi, This is what I have so far but it seems like a lot more than is necessary because....for example...user presses 2 or 3 ..... the script does the *same* thing it just depends on the directory it...

Could someone help with the easiest command to compress several directories and files?

For example, I want two directories:
/var/www/logs/
and
/var/www/zones/

and this file:...

I wrote a .sh script to run 5 php scripts. The problem is that it's running 1 then 2 then 3 in that order .... I want it to execute all 5 at ONCE....

nohup php /home/script1/script1.php && nohup...

I have two .txt files one called good.txt and the other one is called bad.txt. Both contain email addresses in the following format:

john@john.com
bob@bob.com
sarah@sarah.com

Basically, I...

Hi,

I've got a list in this format:
SMITH 2,501,922 1.006 1
JOHNSON 2,014,470 0.81 2
WILLIAMS 1,738,413 0.699 3
JONES 1,544,427 0.621 4
BROWN 1,544,427 0.621 5

I'd like the list to...