03-16-2012
I would've been tempted to generate all-new files rather than modify existing ones. It'd be much easier to make sure the formatting is right that way. Fixed-width columns instead of sanely tabbed data in particularly are a bear to edit with anything. Still, though, I think you can do this with awk. 50 lines isn't a lot of data to hold in memory.
Also: as a precaution, I still suggest creating new files instead of editing the old ones, since any mistake in editing the originals could potentially ruin them.
Working on something.
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LEARN ABOUT SUSE
xml::dom::text
XML::DOM::Text(3) User Contributed Perl Documentation XML::DOM::Text(3)
NAME
XML::DOM::Text - A piece of XML text in XML::DOM
DESCRIPTION
XML::DOM::Text extends XML::DOM::CharacterData, which extends XML::DOM::Node.
The Text interface represents the textual content (termed character data in XML) of an Element or Attr. If there is no markup inside an
element's content, the text is contained in a single object implementing the Text interface that is the only child of the element. If
there is markup, it is parsed into a list of elements and Text nodes that form the list of children of the element.
When a document is first made available via the DOM, there is only one Text node for each block of text. Users may create adjacent Text
nodes that represent the contents of a given element without any intervening markup, but should be aware that there is no way to represent
the separations between these nodes in XML or HTML, so they will not (in general) persist between DOM editing sessions. The normalize()
method on Element merges any such adjacent Text objects into a single node for each block of text; this is recommended before employing
operations that depend on a particular document structure, such as navigation with XPointers.
METHODS
splitText (offset)
Breaks this Text node into two Text nodes at the specified offset, keeping both in the tree as siblings. This node then only contains
all the content up to the offset point. And a new Text node, which is inserted as the next sibling of this node, contains all the
content at and after the offset point.
Parameters:
offset The offset at which to split, starting from 0.
Return Value: The new Text node.
DOMExceptions:
o INDEX_SIZE_ERR
Raised if the specified offset is negative or greater than the number of characters in data.
o NO_MODIFICATION_ALLOWED_ERR
Raised if this node is readonly.
perl v5.12.1 2000-01-31 XML::DOM::Text(3)