UNIX for Dummies Questions & Answers

read frommail tomail ccmail bccmail << EOF
$(awk '{gsub(/^\n|\n$/,x,$2); gsub(ORS,",",$2); A[$1]=$2} END{print A["FROM"] OFS A["TO"] OFS A["CC"] OFS A["BCC"]}' RS=\[ FS=\] emaillist.lst)
EOF
echo "$tomail"
echo "$frommail"
echo "$ccmail"
echo "$bccmail"

[FROM]
from@mail.com
[TO]
to1@mail.com
to2@mail.com
[CC]
cc@mail.com
cc1@mail.com
[BCC]
bcc@mail.com

awk '{gsub(/^\n|\n$/,x,$2); gsub(ORS,",",$2); A[$1]=$2} END{print A["FROM"] OFS A["TO"] OFS A["CC"] OFS A["BCC"]}' RS=\[ FS=\] emaillist.lst |
read frommail tomail ccmail bcc mail
echo "$tomail"
echo "$frommail"
echo "$ccmail"
echo "$bccmail"

awk '{gsub(/^\n|\n$/,x,$2); gsub(ORS,",",$2); A[$1]=$2} END{print A["FROM"] OFS A["TO"] OFS A["CC"] OFS A["BCC"]}' RS=\[ FS=\] emaillist.lst