h

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address1

][

,



address2

]

h

Copy the pattern space into the hold space, a special temporary buffer. The previous contents of the hold space are obliterated. You can use h to save a line before editing it.

Example

# Edit a line; print the change; replay the original /UNIX/{ h s/.* UNIX \(.*\) .*/\1:/ p x }

Sample input:

This describes the UNIX ls command. This describes the UNIX cp command.

Sample output:

ls: This describes the UNIX ls command. cp: This describes the UNIX cp command.