用sed 如何把多个空行并成一行.# Unix - 噫吁兮,危乎高哉
a*n
1 楼
用sed 如何把多个空行并成一行.
==============================
testtest
testtest
=============================
变成:
==============================
testtest
testtest
=============================
thanks
==============================
testtest
testtest
=============================
变成:
==============================
testtest
testtest
=============================
thanks