bash string variable multiline string
VAR1=$(cat <<EOF
<?xml version="1.0" encoding='UTF-8'?>
<painting>
<img src="madonna.jpg" alt='Foligno Madonna, by Raphael'/>
<caption>This is Raphael's "Foligno" Madonna, painted in
<date>1511</date>-<date>1512</date>.</caption>
</painting>
EOF
)linux set multiline variable
read -r -d '' my_variable <<
_______________________________________________________________________________
String1
String2
String3
...
StringN
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