Sequential number suffix?

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ngeorgieff

Posts: 4
Joined: Thu Apr 19, 2012 5:44 pm
Location: Los Angeles
Post by ngeorgieff » Thu May 10, 2012 6:54 pm
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Hi,

Is it possible to add a sequential number as suffix to file name.


For example: Read the last file name number and add one:

File.00001.txt +1
File.00002.txt +1
File.00003.txt +1

Thanks

Nikolay
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Support_Duane

Support Specialist
Posts: 65
Joined: Thu Mar 05, 2009 3:49 pm
Post by Support_Duane » Tue May 15, 2012 6:35 pm
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Yes, it is possible.

Here's an example. You'll need to change the name of the folder in which the files reside and both substring functions are based on a filename layout of xxxx.nnnnn.txt. If you're using something different, you'll need to change the parameters in the substring functions accordingly.
Code: Select all
<project name="get last filename in filelist" mainModule="Main" version="2.0">
	<module name="Main" logLevel="debug">
		<createFileList fileListVariable="fl" numFilesFoundVariable="fc" version="1.0">
			<fileset dir="/djohnson/addseq" />
		</createFileList>
		<forEachLoop itemsVariable="${fl}" currentItemVariable="thisFile" currentIndexVariable="i" beginIndex="${fc}">
			<print version="1.0">
				<![CDATA[i = ${i}]]>
			</print>
			<setVariable label="set count" name="count" value="${i + 1}" version="2.0" />
			<setVariable label="set prefix = &apos;.0000&apos;" name="prefix" value=".0000" version="2.0" />
         		<if condition="${count >= 10}">
				<setVariable label="set prefix = &apos;.000&apos;" name="prefix" value=".000" version="2.0" />
			</if>
			<if condition="${count >= 100}">
				<setVariable label="set prefix = &apos;.00&apos;" name="prefix" value=".00" version="2.0" />
			</if>
			<if condition="${count >= 1000}">

				<setVariable label="set prefix = &apos;.0&apos;" name="prefix" value=".0" version="2.0" />
			</if>
			<if condition="${count >= 10000}">
				<setVariable label="set prefix = &apos;.&apos;" name="prefix" value="." version="2.0" />
			</if>
			<setVariable label="set newName" name="newName" value="${Substring(thisFile:name, 1, 4)}${prefix}${count}.txt" version="2.0" />
			<print version="1.0">
				<![CDATA[ 
new file name = ${thisfile:parentfile}/${newname}
 ]]>
			</print>
			<copy sourceFile="${thisfile}" destFile="${thisfile:parentfile}/${newname}" version="1.0" disabled="false" />
		</forEachLoop>
	</module>
</project>
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ngeorgieff

Posts: 4
Joined: Thu Apr 19, 2012 5:44 pm
Location: Los Angeles
Post by ngeorgieff » Thu May 24, 2012 7:26 pm
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Thank you. In this case we are using fileset count +1. If we delete some files, this will broke the sequential number.

-rw-r--r-- 1 root root 4835 May 24 16:54 File.00002.txt
-rw-r--r-- 1 root root 4835 May 24 16:54 File.00003.txt
-rw-r--r-- 1 root root 4835 May 24 16:55 File.00005.txt
-rw-r--r-- 1 root root 4835 May 24 17:17 File.00006.txt

------

-rw-r--r-- 1 root root 4835 May 24 16:54 File.00002.txt
-rw-r--r-- 1 root root 4835 May 24 16:54 File.00003.txt
-rw-r--r-- 1 root root 4835 May 24 17:21 File.00005 2.txt <------
-rw-r--r-- 1 root root 4835 May 24 16:55 File.00005.txt
-rw-r--r-- 1 root root 4835 May 24 17:17 File.00006.txt
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monahanks

Posts: 41
Joined: Wed Mar 30, 2011 10:19 am
Post by monahanks » Thu Jun 21, 2012 10:27 am
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You can connect to a SQL database that stores the sequential number, retrieve the number and then update the sequence with a +1. Our method involves stored procedures and a table of different sequence numbers keyed by a file type (AA is an order file, BB is sales, etc). It gets a little involved (to me) since I'm new to SQl and stored procedures, but it works well. The project that handles the SQL database access and retrieval is in a common folder accessible (or included in) any project that needs a sequential number.
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