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Full Discussion: awk file split
Top Forums Shell Programming and Scripting awk file split Post 302885184 by f0usk4s on Friday 24th of January 2014 04:30:34 AM
Old 01-24-2014
awk file split

Hi all,

First of all I' like to mention that I'm pretty new to unix scripting. Smilie

I'm trying to split an large xml with awk and rename it based on the values of two attributes.
Example XML
Code:
<RECORD>
<element1>11</element1>
<element2>22</element2>
<element3>33</element3>
<element4>a</element4>
<element5>b</element5>
<element6>c</element6>
</RECORD>
<RECORD>
<element1>44</element1>
<element2>55</element2>
<element3>66</element3>
<element4>a</element4>
<element5>b</element5>
<element6>c</element6>
</RECORD>

The desired output would be :

Code:
a file named 1122.xml
<RECORD>
<element1>11</element1>
<element2>22</element2>
<element3>33</element3>
</RECORD>

a file named 4455.xml
<RECORD>
<element1>44</element1>
<element2>55</element2>
<element3>66</element3>
</RECORD>

Up till know I have been able to split the file using this command
Code:
awk '/<RECORD/{close("row"count".xml");count++}count{f="row"count".xml";print $0 > f}' file.xml

but couldn't figure how to pass the values of the elements 1 & 2 in the filename. Ideally I would like to add xml tags as this is intended to split xml files and produce valid xml format output.

Any ideas on how to do it with awk ?
Thank you in advance.

PS. I know that it has been addressed in a couple of posts, such as shell-210529-xml-split-extract-string-between-chars.html
though I could use the proposed solution, it always produce me only one file with the final record.Smilie

again, thanks
 

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createrepo(8)															     createrepo(8)

NAME
createrepo - Create repomd (xml-rpm-metadata) repository SYNOPSIS
createrepo [options] <directory> DESCRIPTION
createrepo is a program that creates a repomd (xml-based rpm metadata) repository from a set of rpms. OPTIONS
-u --baseurl <url> Optional base url location for all files. (not used by any clients at this time) -o --outputdir <url> Optional output directory (useful for read only media). -x --exclude <package> File globs to exclude, can be specified multiple times. -i --pkglist <filename> specify a text file which contains the complete list of files to include in the repository from the set found in the directory. File format is one package per line, no wildcards or globs. -q --quiet Run quietly. -g --groupfile <groupfile> A precreated xml filename to point to for group information. See examples section below for further explanation. -v --verbose Run verbosely. -c --cachedir <path> Specify a directory to use as a cachedir. This allows createrepo to create a cache of checksums of packages in the repository. In consecutive runs of createrepo over the same repository of files that do not have a complete change out of all packages this decreases the processing time dramatically. --update If metadata already exists in the outputdir and an rpm is unchanged (based on file size and mtime) since the metadata was generated, reuse the existing metadata rather than recalculating it. In the case of a large repository with only a few new or modified rpms this can significantly reduce I/O and processing time. -C --checkts Don't generate repo metadata, if their timestamps are newer than its rpms. This option decreases the processing time drastically again, if you happen to run it on an unmodified repo, but it is (currently) mutual exclusive with the --split option. --split Run in split media mode. Rather than pass a single directory, take a set of directories corresponding to different volumes in a media set. -p --pretty Output xml files in pretty format. -V --version Output version. -h --help Show help menu. -d --database Generate sqlite databases for use with yum. EXAMPLES
Here is an example of a repository with a groups file. Note that the groups file should be in the same directory as the rpm packages (i.e. /path/to/rpms/comps.xml). createrepo -g comps.xml /path/to/rpms FILES
repodata/filelists.xml.gz repodata/other.xml.gz repodata/primary.xml.gz repodata/repomd.xml SEE ALSO
yum (8) yum.conf (5) AUTHORS
Seth Vidal <skvidal@phy.duke.edu> BUGS
Any bugs which are found should be emailed to the mailing list: rpm-metadata@linux.duke.edu Seth Vidal 2005 Jan 2 createrepo(8)
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