alias -l list.filter {
if ($1) %list.filter = $iif(%list.filter,$v1 $+ $chr(44) $1,$1)
}
alias _list {
set %list.filter
filter -k list.txt list.filter
echo -ag the list contains the ff:
echo -ag %list.filter
unset %list.filter
}
/_list
Note that it's subject to the line too long error. It also disregards blank lines in the file.