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mysql - Read from file into variable - Bash Script take2

This is a second part of Read from file into variable - Bash Script

I have a bash script that reads strings in a file parses and assigns it to a variable. The file looks like this (file.txt):

database1 table1
database1 table4
database2
database3 table2

Using awk in the script:

s=$(awk '{$1=$1}1' OFS='.' ORS='|' file.txt)
LIST="${s%|}"

echo "$LIST"
database1.table1|database1.table4|database2|database3.table2 

But I need to add some wildcards at the end of each substring. I need this result:

database1.table1.*|database1.table4.*|database2*.*|database3.table2.*

The conditions are: if we read database2 the output should be database2*.* and if we read a database and a table the output should be database1.table1.*

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1 Answer

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by (71.8m points)

Use this awk with ORS='.*|':

s=$(awk '$0=="database2"{$0=$0 "*.*";print;next} {$2=$2 ".*"}1' OFS='.' ORS='|' file.txt)
LIST="${s%|}"

echo "$LIST"
database1.table1.*|database1.table4.*|database2*.*|database3.table2.*

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