replace
Find and replace.
Usage
replace [-r] [-c columns] [FIND] [REPLACE]
-r, --regex
Find argument is a regular expression.
-c COLUMNS, --columns COLUMNS
comma-separated list of columns to search.
FIND
Text to search for.
REPLACE
Text to replace the found text with. Defaults
to the empty string.
Examples
Turn multiple consecutive spaces into a single space.