I have a file with this content: <pre class="prettyprint"><code>foo:&nbsp;bar1 foo:&nbsp;bar2 foo:&nbsp;bar3 foo:&nbsp;bar4 foo:&nbsp;bar5 </code></pre> I want to remove the chains "foo: " so the file remains: <pre class="prettyprint"><code>bar1 bar2 bar3 ... </code></pre> I'm trying it with: <pre class="prettyprint"><code>$ sed 's/foo:&nbsp;/' file.txt </code></pre> but it says: <blockquote> sed: -e expression #1, char 15: unterminated `s' command </blockquote> Any help? Javi

You need to: <pre class="prettyprint"><code>$ sed -r 's/^foo:&nbsp;//' file.txt </code></pre>

sed: just trying to remove a substring

I have a file with this content:

foo:&nbsp;bar1 foo:&nbsp;bar2 foo:&nbsp;bar3 foo:&nbsp;bar4 foo:&nbsp;bar5

I want to remove the chains "foo: " so the file remains:

bar1 bar2 bar3 ...

I'm trying it with:

$ sed 's/foo:&nbsp;/' file.txt

but it says:

sed: -e expression #1, char 15: unterminated `s' command

Any help?

Javi

What can I use instead of sed?

Alternatives to sed include the Unix utility awk , perl , and nearly any general purpose programming language.

What is 1d in sed?

$ sed -i '1d' filename. In the example, 1d essentially stands for first line deletion. Using a\ (“append”) can add lines to a file.

How do I delete a record using sed?

To delete a line, we'll use the sed “d” command. Note that you have to declare which line to delete. Otherwise, sed will delete all the lines.

You need to:

$ sed -r 's/^foo:&nbsp;//' file.txt