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[Solved] String manuplation using sed

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# 1  
Old 06-20-2013
[Solved] String manuplation using sed
Hello All,
I have a file that has following contents ...

Code:
config INY_DEBUG
bool "Debug"
default n

source mod/ati/Kconfig
source mod/spi/Kconfig
source mod/kgi/Kconfig
source mod/mei/Kconfig
source mod/cai/Kconfig
source mod/stormi/Kconfig

I have a shell variable
Code:
Var=file:///home/techno/svnrep/MDTC/mdtc/te/

Now I want to replace
Code:
source

with
Code:
svn export $Var

so that file should contain ..

Code:
svn export  file:///home/techno/svnrep/MDTC/mdtc/te/mod/ati/Kconfig Kconfig.ati
svn export  file:///home/techno/svnrep/MDTC/mdtc/te/mod/spi/Kconfig Kconfig.spi
svn export  file:///home/techno/svnrep/MDTC/mdtc/te/mod/kgi/Kconfig Kconfig.kgi
svn export  file:///home/techno/svnrep/MDTC/mdtc/te/mod/mei/Kconfig Kconfig.mei
svn export  file:///home/techno/svnrep/MDTC/mdtc/te/mod/cai/Kconfig Kconfig.cai
svn export  file:///home/techno/svnrep/MDTC/mdtc/te/mod/stormi/Kconfig Kconfig.stormi

I have base knowledge of doing find and replace using "sed" but really don't know how to extract shell variable in "sed"

Thank you very much in advance.
Last edited by Don Cragun; 06-20-2013 at 07:56 AM..
# 2  
Old 06-20-2013
try..

Code:
 
awk -v var=$Var '/source/{v=$NF "." $(NF-1);sub("source","svn export"var)}{print $0" "v;v=""}' filename

Last edited by vidyadhar85; 06-20-2013 at 03:18 AM..
# 3  
Old 06-20-2013
Code:
Var="file:\/\/\/home\/techno\/svnrep\/MDTC\/mdtc\/te\/"

sed "s/source /svn export $Var/g" file

# 4  
Old 06-20-2013
You could also do this with awk:
Code:
var="file:///home/techno/svnrep/MDTC/mdtc/te/"

awk -F'/' -v V="$var" '/source/{n=$NF "." $(NF-1);sub("source","svn export");sub(/[a-zA-Z]*\/.*/,V "& " n)}1' file

# 5  
Old 06-20-2013
Dear Vidyadhar85,
Its doing half of the work .... but still i want to add
Code:
Kconfig.ati Kconfig.spi .....

etc at the end of each line. Anyway thanks for your quick reply.
# 6  
Old 06-20-2013
When I try the code suggested by vidyadhar85, pamu, Yoda, and anand.shah, I don't end up with anything that looks close to the output requested:
Code:
svn export  file:///home/techno/svnrep/MDTC/mdtc/te/mod/ati/Kconfig Kconfig.ati
svn export  file:///home/techno/svnrep/MDTC/mdtc/te/mod/spi/Kconfig Kconfig.spi
svn export  file:///home/techno/svnrep/MDTC/mdtc/te/mod/kgi/Kconfig Kconfig.kgi
svn export  file:///home/techno/svnrep/MDTC/mdtc/te/mod/mei/Kconfig Kconfig.mei
svn export  file:///home/techno/svnrep/MDTC/mdtc/te/mod/cai/Kconfig Kconfig.cai
svn export  file:///home/techno/svnrep/MDTC/mdtc/te/mod/stormi/Kconfig Kconfig.stormi

The following code seems to replace the contents of file (as specified in the original posting in this thread) with the output requested above:
Code:
Var=file:///home/techno/svnrep/MDTC/mdtc/te/
sed -n "s|^source mod/\([^/]*\)/Kconfig|svn export  ${Var}mod/\1/Kconfig Kconfig.\1|p" file > tmp$$ && cp tmp$$ file && rm tmp$$

Last edited by Don Cragun; 06-20-2013 at 03:36 AM.. Reason: Add missing ).
This User Gave Thanks to Don Cragun For This Post:
anand.shah
# 7  
Old 06-20-2013
Many many thanks Don Cragun ..... its working perfectly.
Also thanks to PAmu , Yoda and Vidyadhar for precious inputs.

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