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Env vars in a SED script

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# 1  
Old 05-09-2006
Env vars in a SED script
Hello,
<Preamble>
I'm writing an installation script for use with PKGADD. What I want to do is take one of the variables set in the REQUEST script and use that in the install script so I can change applications configuration.

My install script is as follows:
Code:
sed '
/^DIRNAME/ i\
JAVA_HOME=$JAVA_HOME
' <../../tmp/run.sh >run2.sh

JAVA_HOME is an environment variable set in the request script..
But the output is:
Code:
JAVA_HOME=$JAVA_HOME
DIRNAME=`dirname $0`

</Preamble>

How do I correctly refference an evironment variable in a SED script?
# 2  
Old 05-09-2006
sed using variables
Bags,

Try using double quotes " instead of single quotes ' in your sed statement.

This allows you to still pass variables as you require.
# 3  
Old 05-09-2006
use double-quotes.
# 4  
Old 05-11-2006
When I change the command to:
Code:
sed "
/^DIRNAME/ i\
JAVA_HOME=$BASEDIR
" <../../tmp/run.sh >run2.sh

I get and error:
Code:
sed: command garbled: /^DIRNAME/ iJAVA_HOME=

"Use double quotes" is a fairly easy command to follow.
Yet I must ask, "what am I doing wrong?"
# 5  
Old 05-11-2006
Quote:
Originally Posted by Bags
When I change the command to:
Code:
sed "
/^DIRNAME/ i\
JAVA_HOME=$BASEDIR
" <../../tmp/run.sh >run2.sh

I get and error:
Code:
sed: command garbled: /^DIRNAME/ iJAVA_HOME=

"Use double quotes" is a fairly easy command to follow.
Yet I must ask, "what am I doing wrong?"
how 'bout:
Code:
sed "
#^DIRNAME# i\
JAVA_HOME=$BASEDIR
" <../../tmp/run.sh >run2.sh

Last edited by vgersh99; 05-11-2006 at 12:11 PM..
# 6  
Old 05-11-2006
It executes.. but the pattern is not matched anywhere in run.sh..
So a diff between the input and output shows no change.

As a side note, my last error correctly interpreted $BASEDIR.
# 7  
Old 05-12-2006
I'm still going crazy trying to get this thing to work..
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