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Top Forums Shell Programming and Scripting insert a header in a huge data file without using an intermediate file Post 302286261 by quirkasaurus on Tuesday 10th of February 2009 03:46:44 PM
Old 02-10-2009
This is crazy, I agree.

Typically, in situations like this, I employ an "original_file_name.info" file instead.

In the .info file I'll put all the information necessary for another program/user
to verify the contents of the huge file i created.

There are other options . . . . like creating a dummy header record in
the file creation program . . . and then using fseek() to hop back to
the beginning and overwrite the header info....

but you may not have this much control over how this file is created.
 

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INFO(5) 							File Formats Manual							   INFO(5)

NAME
info - readable online documentation DESCRIPTION
The Info file format is an easily-parsable representation for online documents. It can be read by emacs(1) and info(1) among other pro- grams. Info files are usually created from texinfo(5) sources by makeinfo(1), but can be created from scratch if so desired. For a full description of the Texinfo language and associated tools, please see the Texinfo manual (written in Texinfo itself). Most likely, running this command from your shell: info texinfo or this key sequence from inside Emacs: M-x info RET m texinfo RET will get you there. AVAILABILITY
ftp://ftp.gnu.org/pub/gnu/texinfo-<version>.tar.gz or any GNU mirror site. REPORTING BUGS
Please send bug reports to bug-texinfo@gnu.org, general questions and discussion to help-texinfo@gnu.org. SEE ALSO
info(1), install-info(1), makeinfo(1), texi2dvi(1), texindex(1). emacs(1), tex(1). texinfo(5). FSF
GNU Info INFO(5)
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