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Hi,

the code is working for $$values that has a . after it or end of line. In case I have the record as below it is not replacing it.
...

Thanks @MadeInGermany . It did the trick and gave the expected output.

both the codes are replacing all the matching pattern. If I have $$Date and $$Date_1 it is replacing like 20200305 and 20200305_1 but I have different values for $$Date_1. How to skip that. if I try...

Thanks for the suggestion. that worked. But now the last part of replacing it in a different file is not working. I tried the below two codes.

#!/bin/bash
while read line
do
key= echo "$line" |...

The below code is throwing error too

#!/bin/bash
while read line
do
key= $(sed 's/\(.*\)\=.*/\1/' $line)
value=$(sed 's/.*\=//g' $line)
sed "s/$key/$value/g" test.txt
done < bbb.txt
...

Thanks a lot @MadeInGermany. Now if I want to lookup these values in a separate file and substitute the params with actual values what will the code be. Like My other file is having values for all...

I used this sed 's/.*\$//' test.txt >> aaa.txt

This command works to fetch the data correctly from the $$ till the end of line. But its not sufficing the condition to fetch data from $$ to .

...

Hi All,

I am trying to extract a string between two characters in a file and then look up that string in a separate file. E.g. first file is ABC.txt and its contents are
abc.$$Date...