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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LEARN ABOUT OSF1
dxmcstextreplace
DXmCSTextReplace(3X) DXmCSTextReplace(3X)
NAME
DXmCSTextReplace - Replaces a specified segment of text in a compound string text widget.
SYNOPSIS
DXmCSTextStatus DXmCSTextReplace(
Widget widget,
int from_pos,
int to_pos,
XmString value );
PARAMETERS
The identifier (widget ID) of the compound string text widget. An integer that represents the first character position of the text being
replaced. An integer that represents the last character position of the text being replaced. Replacement text for part of the current
text in the compound string text widget, or additional text to be inserted into the compound string text widget.
DESCRIPTION
The DXmCSTextReplace routine replaces part of the text in the compound string text widget. Within the widget, positions are numbered
starting at 0 and increasing sequentially. For example, to replace the second and third characters in the text, from_pos should be 1 and
to_pos should be 3. To insert text after the fourth character, from_pos and to_pos should both be 4.
RETURN VALUES
A value that represents the status (success or failure) of the replace operation, as follows:
--------------------------------------------------------
Value Description
--------------------------------------------------------
DXmCSTextStatusEditDone Text replaced successfully.
DXmCSTextStatusEditError Text not replaced (failure).
--------------------------------------------------------
SEE ALSO
DXmCreateCSText(3X), DXmCSTextSetString(3X), DXmCSTextGetString(3X)
DXmCSTextReplace(3X)