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DCR updation using find .

Bunty

Hi All,

I am working on a req. whereby I have to replace existence of a specific country name from all existing record automatically.
i.e. if my backend DCR value is something as shown below, then I want to replace occurrences of all Germany instances to Poland.

<item name="country">
<value>Austria,Germany,Switzerland</value>
</item>

I have thought of using a find command in conjunction with perl -pi -e.
i.e. find . -type f | xargs perl -pi -e 's!<item name="country"><value>(.*)Germany(.*)</value>!<item name="country"><value>$1Poland$2</value>!g'

This command works well when my country item is in one line in backend i.e.
<item name="country"><value>Austria,Germany,Switzerland</value></item>

But it is not working when there is a line break in my DCR's. as shown in first example.

Can someone please help me to fine-tune the above find and replace command to make it work on first DCR snippet as well?
I have googled it to search for spaces in such cases but still it is not working...

I am working using Teamsite 6.7.1 on Solaries 5.10

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ISCBorisB

Hi All,

I am working on a req. whereby I have to replace existence of a specific country name from all existing record automatically.
i.e. if my backend DCR value is something as shown below, then I want to replace occurrences of all Germany instances to Poland.

<item name="country">
<value>Austria,Germany,Switzerland</value>
</item>

I have thought of using a find command in conjunction with perl -pi -e.
i.e. find . -type f | xargs perl -pi -e 's!<item name="country"><value>(.*)Germany(.*)</value>!<item name="country"><value>$1Poland$2</value>!g'

This command works well when my country item is in one line in backend i.e.
<item name="country"><value>Austria,Germany,Switzerland</value></item>

But it is not working when there is a line break in my DCR's. as shown in first example.

Can someone please help me to fine-tune the above find and replace command to make it work on first DCR snippet as well?
I have googled it to search for spaces in such cases but still it is not working...

I am working using Teamsite 6.7.1 on Solaries 5.10

Try to change regex to:

s|(<item name="country">.*?<value>.*?)Germany|$1Poland|gims

Bunty

Thanks for your reply,

I tried this out, still it didnt worked.

I am now left with the option of parsing and updating the DCR.

Adam Stoller

Try to change regex to:

s|(<item name="country">.*?<value>.*?)Germany|$1Poland|gims

As I recall, in some (all?) contexts, the dot (.) does not include the newline character, so you may need to be a bit more specific.
If the above didn't work - try:

s|(<item name="country">[.\n]*?<value>[.\n]*?)Germany|$1Poland|gims;

Although it shouldn't be necessary, you could also try changing the last part from

$1Poland

${1}Poland

- but since variable names cannot begin with a number and variable names that are numbers are special registers - this shouldn't be needed.

Bunty

Thanks for your reply Ghoti,
Still no success...

Attaching the sample DCR I have along with this post.

ISCBorisB

Thanks for your reply Ghoti,
Still no success...

Attaching the sample DCR I have along with this post.

Your problem is not a regex. It is -p Switch. This animal applies your code to each and every Line individually.

There is nothing you can do about that. Sure enough, multi-line regex does not match when applied per line and there is no substitution.
So - write a script to get DCR path from $ARGV[0], read entire DCR into a variable, make a substitution and print the result. Then run
your piping, -i and all but without -p

Bunty

yess...

checked it on my local perl, its working...

now I am reading entire DCR into a variable and then applying the regex onto the DCR variable.
After applying regex I am rewriting the DCR back.

This approach will surely optimize my code, as earlier I thought of parsing and updating the DCR.

Thank you.