06-02-2011
I just added something to the text file, please reread it,
It seems your understanding is correct,
when N-N-N-N-N is found it should be replaced and each found instance with the said up there.
that means:
first instance N-N-N-N-N replace with 1234
second instance N-N-N-N-N replace ALSO with 1234
third instance N-N-N-N-N replace with 5678
fourth instance N-N-N-N-N replace ALSO with 5678
and so forth...
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RPL(1) BSD General Commands Manual RPL(1)
NAME
rpl -- replace strings in files
SYNOPSIS
rpl [-LhiwbqvsRepfdt] [-xSUFFIX] <old_string> <new_string> <target_file ...>
DESCRIPTION
Basic usage is to specify two strings and one or more filenames or directories on the command line. The first string is the string to
replace, and the second string is the replacement string.
-h, --help
A short help text.
-L, --license
Show the license and exit.
-xSUFFIX
Search only files ending with SUFFIX, e.g. ``.txt''. May be specified multiple times.
-i, --ignore-case
Ignore the case of old_string.
-w, --whole-words
Make old_string match only on word boundaries.
-b, --backup
Move the original files to filename~ before replacing them.
-q, --quiet
Quiet mode.
-v, --verbose
Verbose mode.
-s, --dry-run
Simulation mode, no files are changed.
-R, --recursive
Recurse into subdirectories.
-e, --escape
Expand escape sequences in old_string and new_string. Examples of escape sequences are '
' (new-line), ' ' (tab), 'x42' (hexadec-
imal number 42), '