Tr

lastmod 2023-12-26created 2020-10-052 edits

translate characters.

Simple Example

Example of searching for and translating characters in a string:

tr 'abcd' 'jkmn'

Upper to Lower

• Stackoverflow - How to convert a string to lower case in Bash?

tr '[:upper:]' '[:lower:]'

How to merge multiple lines of output

You can use the following tools:

• sed#How to merge multiple lines of output
• awk#How to merge multiple lines of output
• tr#How to merge multiple lines of output

cat ... | tr '\n' ' ' | ...

See also

• sed
• awk
• join
• cut

Favorite site

• Wikipedia (en) tr (Unix)