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You could do a little trick, something like:

~$ months=( Jan Feb Mar Apr May Jun )
~$ input=Feb
~$ for i in ${months[@]}; do echo $i; done | grep -c $input
1
~$ input=other
~$ for i in...

Ok, so You have to set output terminal different. Try this:
set terminal png # gnuplot recommends setting terminal before output
set output "output.png" # The output filename; to be set...

That's weird... Which system and what version of gnuplot are You using? Are You working on Your local computer or somewhere remote? How did You install gnuplot - repositories or compiling on Your...

Could be done with one sed :)
who -ms | sed "s/^\([^ ]*\) .*(\(.*\))/\1@\2/g"

Very good samples and tutorials are here:
gnuplot tips (not so Frequently Asked Questions) (http://t16web.lanl.gov/Kawano/gnuplot/index-e.html)
Basic plotting is really simple:
gnuplot> set...

echo -e "something\tsomethinelse"

Provide some more information, like full listing of what You are trying to delete (ls -al), Your account information (whoami), the command You're executing and exact error that occurs.

You mean sth like that? :
sed -n -e '/^[a-z0-9]\{3\}$/p' test
or even:
sed -n -e '/^.\{3\}$/p' test

Should work:
awk -v FS="%" '$1>90 {print}' disk_space.log

Actually it will work only if dir2 IS empty :)
But when there are some files in it, it simply won't work...
So for now, I don't have any solution better than:
rm -rf /path/to/dir2 && mv...

I think, that You're looking for:
mv -T /path/to/dir1 /path/to/dir2
with -T target directory is treated as file - so it will be overwritten.

Ubuntu will do, but I've just switched to regular desktop with 'command-line install' option and just added xorg and openbox.
Ghash, which I used, was probably working on gstreamer, and as a...

Thanks.
I think I'll probably stick to it.

But for now I found some new issues:
- gnash is pretty slow. Adobe's flashplayer is much more efficient.
- without any window manager it's hard to...

Hi guys (& ladies) :)
I'm looking for some good linux distribution to use on my new project.
The project looks like this:
- tiny computer (ethernet, D-sub, usb, etc),
- big-screen monitor (min...

Try something like this:
sed "/\\\\$/ { N; s/\\\\\n/ /}" filename

What shell are You working on?

dirs=("`cat file_with_dirs`")
for dir in ${dirs}; do
echo $dir
....
done

alias rm='rm -i'
Add it to Your /etc/profile

Ok, this gives me another idea. Instead of counting lines I could use NR:
for i in $(seq 2 201); do
awk -v c=$i 'NR>1 {s+=$c}; END {printf ("%f ", s/(NR-1))}' data.txt
done
echo

Same error? Because what You did try before could not work - You didn't close "s" command.
sed in ksh works pretty normal...
$ ksh
$ echo "1 2 3" | sed "s/2/\nhoi/"
1
hoi 3

sed "s/ERROR/\nhoi/" file
will it work?

I have to disagree :)
$ wc -l test
4 test
$ cat test | wc -l
4
That's why I used cat.
$ a=`wc -l test`
$ [ $a -gt 0 ] && echo Works
bash: [: Too many arguments

edit:
Ok, I noticed that wc...

Sorry, my bad :) didn't drink my morning coffee ;)
I meant
lines=`cat data.txt | wc -l`
but then I've added simplier solution.

In awk:

lines=`cat data.txt | wc -l` #corrected, thanks to itkamaraj
lines=$((lines-1))
for i in $(seq 2 201); do
awk -v c=$i -v l=$lines 'NR>1 {s+=$c}; END {printf ("%f ", s/l)}' data.txt...

| cut -b-9
No need for delimiters if Youre writing bytes (chars).