05-16-2009
Pattern to replace ^M and ^Y in a 4.2 AIX text file
I have files on my AIX 4.2 client system where I need to do the following replacements below but have no clue how ? They are control characters (linefeed, chariage return, ...).
First, replace "^M^Y^M" with ^char_for_end_of_line
Then replace "^M" with " "
Trim all left spaces
In VI, my files contents look like this :
aaaa zzzzzzzzzzzzzzzzzzzzzz^M
zzzzzzzzzzzzzzzzzzzzzz^M
zzzzzzzzzzzzzzzzzzzz^M
^M
^Y^M
aaaa zzzzzzzzzzzzzzzzzzzzzz^M
zzzzzzzzzzzzzzzzzzzzzz^M
zzzzzzzzzzzzzzzzzzzz^M
^M
^Y^M
aaaa zzzzzzzzzzzzzzzzzzzzzz^M
zzzzzzzzzzzzzzzzzzzzzz^M
zzzzzzzzzzzzzzzzzzzz^M
^M
^Y^M
...
I want it to be:
aaaa zzzzzzzzzzzzzzzzzzzzzz zzzzzzzzzzzzzzzzzzzzzz zzzzzzzzzzzzzzzzzzzzzz
aaaa zzzzzzzzzzzzzzzzzzzzzz zzzzzzzzzzzzzzzzzzzzzz zzzzzzzzzzzzzzzzzzzzzz
aaaa zzzzzzzzzzzzzzzzzzzzzz zzzzzzzzzzzzzzzzzzzzzz zzzzzzzzzzzzzzzzzzzzzz
aaaa zzzzzzzzzzzzzzzzzzzzzz zzzzzzzzzzzzzzzzzzzzzz zzzzzzzzzzzzzzzzzzzzzz
aaaa zzzzzzzzzzzzzzzzzzzzzz zzzzzzzzzzzzzzzzzzzzzz zzzzzzzzzzzzzzzzzzzzzz
...
Nb of records is unknown.
'zzzzzz' can have any combinations of "(", ")", "'", """, ",", "[", "]", ".", ";" (in other words anything with printable characters)
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UNTEX(1) General Commands Manual UNTEX(1)
NAME
untex - strip LaTeX comands from input
SYNOPSIS
untex [ options ] [ files ... ]
DESCRIPTION
Untex removes some LaTeX commands from the files listed in the arguments (or standard input) and prints the output to standard output.
OPTIONS
- read from standard input.
-o remove options to LaTeX commands, i. e. everything in brackets [] behind a command.
-i process "include{file}" and "input{file}" and "input file" commands.
-m (try to) remove all math code.
-u replace all "a (etc.) with ibm (CP850) characters.
-uiso replace all "a (etc.) with ISO characters.
-uascii
replace all "a (etc.) with ascii characters.
-g replace all "a (etc., from german.sty) with ibm (CP850) characters.
-giso replace all "a (etc., from german.sty) with ISO characters.
-gascii
replace all "a (etc., from german.sty) with ascii characters.
-e remove environment names.
-a remove arguments of commands (not recommended).
-g implies -u, -a implies -o.
SEE ALSO
latex, tex, detex
BUGS
The -g and -u options only work for german accented characters. Not fixed due to lack of time, any help is appreciated. The includeonly
command is ignored.
Using -u option in a UTF-8 terminal doesn't work. Using it alone in a Latin1 terminal doesn't work either, you must also add -uiso.
AUTHORS
Untex was written by Michael Staats (michael@hal6000.thp.Uni-Duisburg.DE). The -gascii and -uascii options were added by Denis Endisch
(denis@smoky.ikf.physik.uni-frankfurt.de). Thanks to Subhasish Mazumdar (mazumdar@ringer.cs.utsa.edu) for some hints for improvements and
bug reports.
4th Berkeley Distribution Version 1.2 1994 April 6 UNTEX(1)