String substitution Post: 302246464

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Top Forums Shell Programming and Scripting String substitution Post 302246464 by ctrl-alt-del on Monday 13th of October 2008 05:29:31 PM

10-13-2008

Registered User

String substitution

Hi,

I have a properties file (myprop.properties) which contains some values:
@oneValue@==tcp://localhost:1234
@twoValue@==tcp://localhost:4563
@threeValue@==tcp://localhost7895

I have a xml file (myXmlFile.xml)which contains some tokens:
<application name="aTest">
<NameValuePair>
<name>firstName</name>
<value>@oneValue@</value>
</NameValuePair>
<NameValuePair>
<name>secondName</name>
<value>@twoValue@</value>
</NameValuePair>
</application>

I want to replace the tokens in the file myXmlFile.xml by the values of the myprop.properties. I did a script but I cannot manage to match the tokens with awk, I always get the string "nothing" any ideas?

#!/bin/ksh

exec 0< myXmlFile.xml

while read line
do
count=0

for token_per_line in $(cat myprop.properties)
do

first_char=`echo ${token_per_line} | cut -c1`

if [ "$first_char" != "#" ] && [ $count -lt 1 ]; then

token_variables=`echo "$token_per_line" | grep -v '#'| awk -F'==' '{print $1}'`
token_values=`echo "$token_per_line" | awk -F'==' '{print $2}'`

echo $line | awk -v token_var="$token_variables" token_val="$token_values" '{

{

if ($0 ~ /token_var/) {
print "matching"
gsub($token_variables, $token_values, $line);
print $0
}
else {
print "nothing"
}
}

}'
count=$count+1
fi
done
done
exec 0<&3

Regards
John

ctrl-alt-del

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LEARN ABOUT SUNOS

echo

echo(1B)					     SunOS/BSD Compatibility Package Commands						  echo(1B)

NAME

       echo - echo arguments to standard output

SYNOPSIS

       /usr/ucb/echo [-n] [argument]

DESCRIPTION

       echo writes its arguments, separated by BLANKs and terminated by a NEWLINE, to the standard output.

       echo  is useful for producing diagnostics in command files and for sending known data into a pipe, and for displaying the contents of envi-
       ronment variables.

       For example, you can use echo to determine how many subdirectories below the root directory (/) is your current directory, as follows:

	 o  echo your current-working-directory's full pathname

	 o  pipe the output through tr to translate the path's embedded slash-characters into space-characters

	 o  pipe that output through wc -w for a count of the names in your path.

	      example% /usr/bin/echo "echo $PWD | tr '/' ' ' | wc -w"

       See tr(1) and wc(1) for their functionality.

       The shells csh(1), ksh(1), and sh(1), each have an echo built-in command, which, by default, will have precedence, and will be  invoked	if
       the  user  calls  echo without a full pathname. /usr/ucb/echo and csh's echo() have an -n option, but do not understand back-slashed escape
       characters. sh's echo(), ksh's echo(), and /usr/bin/echo, on the other hand, understand the  black-slashed  escape  characters,	and  ksh's
       echo() also understands a as the audible bell character; however, these commands do not have an -n option.

OPTIONS

       -n	Do not add the NEWLINE to the output.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscpu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       csh(1), echo(1), ksh(1), sh(1), tr(1),  wc(1), attributes(5)

NOTES

       The -n option is a transition aid for BSD applications, and may not be supported in future  releases.

SunOS 5.10							    3 Aug 1994								  echo(1B)