Michael J. Wise wrote:
TRAP='sed -n '"'"'/^$/'"'"'"{h;s#^#Folder: $LASTFOLDER#;p;g;p;q;};p;"'
That's deep SED-magick-moste-e-vile, but....
The end result is to dump ALL the headers into the logfile.
What's your goal there, to copy all the headers into the logfile, append
Folder: $LASTFOLDER
and close with a blank line?
TRAP='formail -X "" ; echo ; echo Folder: "$LASTFOLDER" ; echo'
or if you're married to sed,
TRAP='sed -e /./b -e "s/^/Folder: $LASTFOLDER" -eG -eq'
and look, that sed command has no characters from $SHELLMETAS.
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