The replace utility program changes strings in place in files or on the standard input.
Invoke replace in one of the following ways:
to] ... --
to] ... <
from represents a string to look for and
represents its replacement. There can be one or more pairs of strings.
-- option to indicate where the string-replacement list ends and the file
names begin. In this case, any file named on the command line is modified in place, so you may want to make a
copy of the original before converting it.
replace prints a message
indicating which of the input files it actually modifies.
-- option is not given, replace reads the standard input and writes to the standard
replace uses a finite state machine to match longer strings
first. It can be used to swap strings. For example, the following command swaps
b in the given files,
replace a b b a -- file1 file2 ...
The replace program is used by msql2mysql. See Section 4.7.1, "msql2mysql — Convert mSQL Programs for Use with MySQL".
replace supports the following options.