SED extract XML value


 
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# 8  
Old 08-26-2009
Ok, new problem, ive got the following text file:


Code:
    <JDBCDataSource JNDIName="jdbc/rDB"
        Name="" PoolName="Othername"   Targets="myserver"/>
    <JDBCConnectionPool CapacityIncrement="2"
        DriverName="net.sourceforge.jtds.jdbc.Driver"
        InitialCapacity="4" MaxCapacity="20" Name="Othername"
        PasswordEncrypted="" Properties="user="
        Targets="myserver" TestConnectionsOnRelease="false" URL=""/>
    <JDBCDataSource JNDIName="jdbc/FirstDataBankDB" Name="fdbDataSource"
        PoolName="Othernamel" Targets="myserver"/>

<JDBCConnectionPool CapacityIncrement="5"
        DriverName="oracle.jdbc.driver.OracleDriver" InitialCapacity="5"
        MaxCapacity="35" Name="Othername"
        PasswordEncrypted=""
        PreparedStatementCacheSize="25"
        Properties=;dll=ocijdbc8;protocol=thin"
        RefreshMinutes="10" Targets="myserver"
        TestConnectionsOnRelease="false" TestConnectionsOnReserve="true"
        TestTableName="dual" URL=""/>

    <JDBCDataSource JNDIName="" 
        Name="ThisName"
        PoolName="l" RowPrefetchEnabled="true"
        RowPrefetchSize="100" Targets="myserver"
        CapacityIncrement="2"
        DriverName="net.sourceforge.jtds.jdbc.Driver"
        InitialCapacity="4" MaxCapacity="20" Name=""
        PasswordEncrypted="" Properties="user"
        Targets="myserver" TestConnectionsOnRelease="false" URL=""/>

    <JDBCDataSource JNDIName="jdbc/rDB"
        Name="" PoolName="Othername"   Targets="myserver"/>
    <JDBCConnectionPool CapacityIncrement="2"
        DriverName="net.sourceforge.jtds.jdbc.Driver"
        InitialCapacity="4" MaxCapacity="20" Name="Othername"
        PasswordEncrypted="" Properties="user="
        Targets="myserver" TestConnectionsOnRelease="false" URL=""/>
    <JDBCDataSource JNDIName="jdbc/FirstDataBankDB" Name="fdbDataSource"
        PoolName="Othernamel" Targets="myserver"/>
</Domain>

I need a SED function that isolates everything form "<JDBCDataSource" to "/>" where the Name parameter is "Name=ThisName". Ive tried modifying the range function given above, but I don't know how to make SED ignore the newline characters within a regular expression. The order of the entries is not guaranteed to be as listed and there can be many <JDBCDataSource entries.

---------- Post updated at 01:54 PM ---------- Previous update was at 01:24 PM ----------

I just thought of something. If I can get all of the entries on their own single line I could just grep for the "ThisName" parameter. Can anyone come up with a SED function that places everything in between "<" and "/>" on its own single line?

---------- Post updated at 02:57 PM ---------- Previous update was at 01:54 PM ----------

Or extract everything between the first occurrence of "<JDBCDataSource" before "Name=ThisName" and the first occurrence of "/>" after "Name=ThisName".

Last edited by ArterialTool; 08-26-2009 at 03:38 PM..
# 9  
Old 08-27-2009
Try this:

Code:
tr '\n' '_' < file | tr '>' '\n'|sed '/Name="ThisName"/d'| tr '\n' '>'| tr '_' '\n'


But more simply with awk:

Code:
awk '/ThisName/{next}1' ORS="\n\n" RS=  FS="\n" file

Regards
# 10  
Old 08-27-2009
Franklin52,

Neither solution seems to work, the AWK solution actually returns nothing.
# 11  
Old 08-27-2009
The solutions work fine for me. This is what I get:

Code:
$ cat file
    <JDBCDataSource JNDIName="jdbc/rDB"
        Name="" PoolName="Othername"   Targets="myserver"/>
    <JDBCConnectionPool CapacityIncrement="2"
        DriverName="net.sourceforge.jtds.jdbc.Driver"
        InitialCapacity="4" MaxCapacity="20" Name="Othername"
        PasswordEncrypted="" Properties="user="
        Targets="myserver" TestConnectionsOnRelease="false" URL=""/>
    <JDBCDataSource JNDIName="jdbc/FirstDataBankDB" Name="fdbDataSource"
        PoolName="Othernamel" Targets="myserver"/>

<JDBCConnectionPool CapacityIncrement="5"
        DriverName="oracle.jdbc.driver.OracleDriver" InitialCapacity="5"
        MaxCapacity="35" Name="Othername"
        PasswordEncrypted=""
        PreparedStatementCacheSize="25"
        Properties=;dll=ocijdbc8;protocol=thin"
        RefreshMinutes="10" Targets="myserver"
        TestConnectionsOnRelease="false" TestConnectionsOnReserve="true"
        TestTableName="dual" URL=""/>

    <JDBCDataSource JNDIName="" 
        Name="ThisName"
        PoolName="l" RowPrefetchEnabled="true"
        RowPrefetchSize="100" Targets="myserver"
        CapacityIncrement="2"
        DriverName="net.sourceforge.jtds.jdbc.Driver"
        InitialCapacity="4" MaxCapacity="20" Name=""
        PasswordEncrypted="" Properties="user"
        Targets="myserver" TestConnectionsOnRelease="false" URL=""/>

    <JDBCDataSource JNDIName="jdbc/rDB"
        Name="" PoolName="Othername"   Targets="myserver"/>
    <JDBCConnectionPool CapacityIncrement="2"
        DriverName="net.sourceforge.jtds.jdbc.Driver"
        InitialCapacity="4" MaxCapacity="20" Name="Othername"
        PasswordEncrypted="" Properties="user="
        Targets="myserver" TestConnectionsOnRelease="false" URL=""/>
    <JDBCDataSource JNDIName="jdbc/FirstDataBankDB" Name="fdbDataSource"
        PoolName="Othernamel" Targets="myserver"/>
</Domain>
$
$ tr '\n' '_' < file | tr '>' '\n'|sed '/Name="ThisName"/d'| tr '\n' '>'| tr '_' '\n'
    <JDBCDataSource JNDIName="jdbc/rDB"
        Name="" PoolName="Othername"   Targets="myserver"/>
    <JDBCConnectionPool CapacityIncrement="2"
        DriverName="net.sourceforge.jtds.jdbc.Driver"
        InitialCapacity="4" MaxCapacity="20" Name="Othername"
        PasswordEncrypted="" Properties="user="
        Targets="myserver" TestConnectionsOnRelease="false" URL=""/>
    <JDBCDataSource JNDIName="jdbc/FirstDataBankDB" Name="fdbDataSource"
        PoolName="Othernamel" Targets="myserver"/>

<JDBCConnectionPool CapacityIncrement="5"
        DriverName="oracle.jdbc.driver.OracleDriver" InitialCapacity="5"
        MaxCapacity="35" Name="Othername"
        PasswordEncrypted=""
        PreparedStatementCacheSize="25"
        Properties=;dll=ocijdbc8;protocol=thin"
        RefreshMinutes="10" Targets="myserver"
        TestConnectionsOnRelease="false" TestConnectionsOnReserve="true"
        TestTableName="dual" URL=""/>

    <JDBCDataSource JNDIName="jdbc/rDB"
        Name="" PoolName="Othername"   Targets="myserver"/>
    <JDBCConnectionPool CapacityIncrement="2"
        DriverName="net.sourceforge.jtds.jdbc.Driver"
        InitialCapacity="4" MaxCapacity="20" Name="Othername"
        PasswordEncrypted="" Properties="user="
        Targets="myserver" TestConnectionsOnRelease="false" URL=""/>
    <JDBCDataSource JNDIName="jdbc/FirstDataBankDB" Name="fdbDataSource"
        PoolName="Othernamel" Targets="myserver"/>
$
$
$ awk '/ThisName/{next}1' ORS="\n\n" RS=  FS="\n" file
    <JDBCDataSource JNDIName="jdbc/rDB"
        Name="" PoolName="Othername"   Targets="myserver"/>
    <JDBCConnectionPool CapacityIncrement="2"
        DriverName="net.sourceforge.jtds.jdbc.Driver"
        InitialCapacity="4" MaxCapacity="20" Name="Othername"
        PasswordEncrypted="" Properties="user="
        Targets="myserver" TestConnectionsOnRelease="false" URL=""/>
    <JDBCDataSource JNDIName="jdbc/FirstDataBankDB" Name="fdbDataSource"
        PoolName="Othernamel" Targets="myserver"/>

<JDBCConnectionPool CapacityIncrement="5"
        DriverName="oracle.jdbc.driver.OracleDriver" InitialCapacity="5"
        MaxCapacity="35" Name="Othername"
        PasswordEncrypted=""
        PreparedStatementCacheSize="25"
        Properties=;dll=ocijdbc8;protocol=thin"
        RefreshMinutes="10" Targets="myserver"
        TestConnectionsOnRelease="false" TestConnectionsOnReserve="true"
        TestTableName="dual" URL=""/>

    <JDBCDataSource JNDIName="jdbc/rDB"
        Name="" PoolName="Othername"   Targets="myserver"/>
    <JDBCConnectionPool CapacityIncrement="2"
        DriverName="net.sourceforge.jtds.jdbc.Driver"
        InitialCapacity="4" MaxCapacity="20" Name="Othername"
        PasswordEncrypted="" Properties="user="
        Targets="myserver" TestConnectionsOnRelease="false" URL=""/>
    <JDBCDataSource JNDIName="jdbc/FirstDataBankDB" Name="fdbDataSource"
        PoolName="Othernamel" Targets="myserver"/>
</Domain>
$
$

Am I missing something?
# 12  
Old 08-27-2009
I think your actually getting the opposite of what I am trying to get. I came up with this solution that seems to work:

Code:
cat file | awk '{printf("%s", $0); if ( $0 ~ /.*\/>/ ) {printf("\n");}}' | grep ThisName | tr -d '\n'

# 13  
Old 08-27-2009
Quote:
Originally Posted by ArterialTool
I think your actually getting the opposite of what I am trying to get. I came up with this solution that seems to work:

Code:
cat file | awk '{printf("%s", $0); if ( $0 ~ /.*\/>/ ) {printf("\n");}}' | grep ThisName | tr -d '\n'

Sorry, I misread the question but this should get the part you have colored:

Code:
awk '/ThisName/' ORS="\n\n" RS=  FS="\n" file

Regards
# 14  
Old 08-27-2009
ArterialTool, you really should consider using an XSL aware tool such as xsltproc for this type of work.

For example here is how you can use xsltproc to solve your original question
Code:
$ var=`xsltproc -param which "'min-pool-size'" file.xsl file.xml`
$ echo $var
2
$

where file.xml is your input file and file.xsl is
Code:
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">

    <!-- pass in as -param which "'value'"  -->
   <xsl;param name=which" />

    <xsl:output method="text'/>

   <xsl:template match="/">
      <xsl:apply-templates/>
   </xsl:template>

   <!-- output nodes that match -->
   <xsl:template match="*" priority="1">
      <xsl:if test="name(.)=$which">
        <xsl:value-of select="."/>
      </xsl:if>
   </xsl:template>

   <!-- eat all other output -->
   <xsl:template match="*|text()" priority="0"/>

</xsl:stylesheet>

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