fai-sed(1)

NAME
fai-sed - call sed on a file but check for changes before writing

SYNOPSIS
fai-sed CMD FILE

DESCRIPTION
Execute a sed command, CMD, on FILE but do not overwrite the file if nothing changes. If $target is defined, use it as prefix for the path to FILE. The exit code is 0 if no changes were done, 1 if the file was changed and exit codes greater 1 indicate errors.

EXAMPLES
$ fai-sed 's/foo/bar/g' /etc/motd Replace foo with bar in file /etc/motd. $ fai-sed 's/123/ABC/g; /XXX/d' /etc/motd Replace 123 with ABC and delete all lines which contain the string XXX.

SEE ALSO
This program is part of FAI (Fully Automatic Installation). See the FAI manual for more information on how to use fai-monitor. The FAI homepage is https://fai-project.org.

AUTHOR
Thomas Lange <lange@informatik.uni-koeln.de>