linux 替换 换行符

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cat out | python -c "import sys; print sys.stdin.read().replace('.\n','.')"

http://slash4.net/blog/python/sed-replace-newline-or-python-awk-tr-perl-xargs.html http://slash4.net/blog/python/sed-replace-newline-or-python-awk-tr-perl-xargs.html/embed#?secret=fepFl2MtVM