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Impressive! Thank you.

Can I ask a more general question?

I don't know awk and I have been trying to avoid it. It seems very cryptic and hard to understand to me and I think the learning...

I am trying to use sed to make some changes to some HTML-like code. The code looks like this:

<aaa bbb="xxxx" params="@abc@ @defghi@ @j@"></aaa>
<aaa params="@abc@ @defghi@">value</aaa><aaa...

Thanks. What's the deal? It doesn't preserve spaces unless you surround it with quotes?

Hi,

I need to escape slashes in my text, so I use this line:

search_string=`echo $var | sed 's@/@\\\/@g'`I expect that to replace a slash with a backslash followed by a slash. That works...

What are the @ characters for? Most of the sed commands I have seen have the format:
sed "s/old/new/g" *
I can't find a reference to the @ character in the context of a regular expression or as...

Thank you. It works. I have no freakin' idea how, but it works.

How can I get up to speed on this? Are those regular expressions?

How can I write a script that determines the directory the user is in, and displays that path up until a particular point?

Specifically, I need to find the text "packages" in the directory name,...

Thanks Elbrand! You rock!

Cola, if I understand you correctly it would be:
sed 's/^a/b/g' file.txt

That would replace all a's at the beginning of a line with a b.

I have several files that I need to modify using sed. I know how to do that, but now a new requirement has come up.

Now, I need to make changes to all lines that don't start with certain strings....

Isn't e: the same thing as edit:? Is there a way to refresh without repositioning the screen?

I am working on a project where I need to make many changes to files, both inside and outside of the vi editor. I make small changes manually right in vi, and I have a script that I run from another...

Wow. You did sed on a string by just piping echo through it. I didn't know you could do that. I thought sed was for files only.

How do I figure out what the s# and [^/] and 1#g mean? Is that...

I am writing a Bash script that needs to get part of the current directory path. Let's say the current directory is /cat/dog/bird/mouse/ant. I know that the part that I want is between "bird/" and...

Thank you so much for taking the time to help me with that. I could not have figured that out on my own, and I spent quite a long time trying. I very much appreciate you sharing your gifts.

Thank you! This code is short and elegant and works nicely:

while read line
do
eval set -- "$line"
echo "$4"
done < infileHow does it work? Are you setting a variable named -- or...

No.

Yes.

All of them.

Sample data might look like this:

A B C D E F
"A A" B C D E F
A "B B" C D E F
A B "Hi there" D E F
A B C "Lots of words" E F
A B C D "E E E E E E E E" F
A B C...

I need to write a Bash script to process a data file that is in this format:

1 A B C D E
2 F G "H H" I J

As you can see, the data is delimited by a space, but there are also some...