====== tr ======

  * [[coreutils]]

== Convert newline to space ==

<code>
cat test.txt | tr "\n" " "
</code>

== Remove newlines ==

<code>
cat test.txt | tr -d "\n"
</code>

== Convert upper case to lower case ==

<code>
cat test.txt | tr [:upper:] [:lower:]
</code>

== Remove quotations ==

<code>
echo \"testing\" | tr -d [:punct:]
</code>