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* [[Linux#Commands|Linux]]
* [[Linux#Commands|Linux]]
* [[Bash Trim|bash Trim]]


=Overview=
=Overview=


Translate characters.
Translate characters.
=Options=
==<tt>-d</tt>==
Delete from the input the characters specified in the given string.
Example, delete new lines:
<syntaxhighlight lang='bash'>
cat ./test.txt | tr -d \\n
</syntaxhighlight>


=To Uppercase=
=To Uppercase=

Latest revision as of 01:07, 2 March 2024

Internal

Overview

Translate characters.

Options

-d

Delete from the input the characters specified in the given string.

Example, delete new lines:

cat ./test.txt | tr -d \\n

To Uppercase

Also see bash Parameter and Variable Expansion.

First Character

$(echo ${var_name:0:1} | tr '[:lower:]' '[:upper:]')${var_name:1}

All Characters

echo "hi" | tr '[:lower:]' '[:upper:]'