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Full Discussion: Pattern to replace ^M and ^Y in a 4.2 AIX text file
Operating Systems AIX Pattern to replace ^M and ^Y in a 4.2 AIX text file Post 302316785 by Browser_ice on Saturday 16th of May 2009 03:14:41 PM
Old 05-16-2009
Question 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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LEARN ABOUT DEBIAN

srec_cosmac

srec_cosmac(5)							File Formats Manual						    srec_cosmac(5)

NAME

       srec_cosmac - RCA Cosmac Elf file format

DESCRIPTION

       This file takes the form of one or more RCA Cosmac Elf monitor commands, also known as the IDIOT/4 monitor.  Only the change memory command
       (!M) is allowed.

       The general form of the !M command takes the form
	      !Maaaa dd ... dd
       The !M command writes data byte bytes (represented by character pairs dd) into successive memory locations, started at address aaaa.   Spa-
       ces between data bytes are ignored.

       Using the comma (,) line continuation character resumes from the next address in sequence.
	      !Maaaa dd ... dd, dd ... dd

       Using the semicolon (;) line continuation character takes an address on the next line
	      !Maaaa dd ... dd; aaaa dd ... dd

       It is also possible to have the semicolon immediately after the command.
	      !M; aaaa dd ... dd

       All of these forms may be used in combination.

   Size Multiplier
       In general, binary data will expand in size by approximately 2.0 times when represented with this format.

EXAMPLE

       Here is an example Cosmac file.	It contains the data "Hello, World[rq] to be loaded at address 0x1000.
	      !M1000 48656C6C6F2C20576F726C640A

COPYRIGHT

       srec_cat version 1.58
       Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Peter Miller

       The srec_cat program comes with ABSOLUTELY NO WARRANTY; for details use the 'srec_cat -VERSion License' command.  This is free software and
       you are welcome to redistribute it under certain conditions; for details use the 'srec_cat -VERSion License' command.

AUTHOR

       Peter Miller   E-Mail:	pmiller@opensource.org.au
       //*		 WWW:	http://miller.emu.id.au/pmiller/

Reference Manual						      SRecord							    srec_cosmac(5)
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