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Say I have the word:

zinger

I want to change it to print

z
i
n
g
e
r


This is for a sorting algorithm that I am testing out. I will then use sort on the vertical and change it back...

Update.

saifurshaon, if I am wrong and this isn't a homework problem. I am sorry, but it looks like one of many I have seen on these boards over the years.

One way to not have something look...

Don't do people's homework assignments!

It is against the Unix forum policy and just encourages them to keep coming back and continue posting homework problems to be done by the very helpful and...

I highly recommend the following:


Learning The Bash Shell
Unix Shell Programming, Third Edition
Bash Cookbook


I did a review of the Bash Cookbook...

You could do this with cut this way:


#!/bin/bash

OLDSTRING="2007-10-03"
YEAR=$(echo "${OLDSTRING}" | cut -d"-" -f1)
MONTH=$(echo "${OLDSTRING}" | cut -d"-" -f2)
DAY=$(echo "${OLDSTRING}" |...

No problem. Glad to help.

I've looked at fail2ban a couple of times.

The one problem I can possibly see is if someone spoofed the address of a computer that you usually use to access the server.

Is it theoretically...

Jacoden and Radouluv, you guys are really good at this stuff.

If you have a moment to break down the thought process behind some of your solutions, I know that many people would benefit.
...

#!/bin/bash
# Move text in a file ($1)
while read LINE
do
FIELD1=$(echo ${LINE} | cut -d"?" -f1)
FIELD2=$(echo ${LINE} | cut -d"?" -f2)
echo "${FIELD2}|${FIELD1}?"
done < $1


Just to...

Can you give us some pseudo code (or cleaned up actual code) that we can look at to see what you want exactly?

The copy part can be with redirection

head -n 100 file > newfile

Say you have a directory structure that looks like this:


.
`-- test1
|-- file1
|-- file2
|-- file3
`-- test2
|-- file4
|-- file5
|-- file6
...