YSITD_TG_Bot says to #ysitd <seadog007>: 這樣t2有東西 gpg --clear-sign | gpg --decrypt 2>&1 | tee >(grep 'RSA' > t2) 這樣只剩tt有東西 gpg --clear-sign | gpg --decrypt 2>&1 | tee >(grep 'RSA' > t2) >(head -n1 > tt)