Importare da excel a file testo:

  File -> Salva con nome -> Formato csv
  (file.xlsx -> file.csv)

  sed 's/,/./g' file.csv
  sed 's/;/ /g' file.csv
  sed $'1s/\xef\xbb\xbf//' file.csv

Script di conversione:

#!/bin/csh
cat $1
printf "\n"
echo "new line"
printf "\n"
sed 's/,/./g' $1 > out1.csv
cat out1.csv
printf "\n"
echo "new line"
printf "\n"
sed 's/;/ /g' out1.csv > out2.csv
cat out2.csv
printf "\n"
echo "new line"
printf "\n"
sed '1s/\xef\xbb\xbf//' out2.csv > new.csv
cat new.csv
rm out1.csv
rm out2.csv