awk 删除文本文件换行符

# awk 'NR == 1 {p = $0} NR > 1 {print p; p = $0} END{printf p} ' SerialNumber.dat > tmp.txt

# cp tmp.txt SerialNumber.dat

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原文地址:https://www.cnblogs.com/ztguang/p/12648473.html