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phnessu4/r.sh

Created May 22, 2013 07:22
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r.sh
#计算脚本运行时间
time xxxx
#输出文件长度
ls -l | awk '{ print $5}'
#判断文件是否为空
ls -l | awk '{ if(!$5) print "empty" }'
#计算目录下所有.c文件行数
find -name *.c | wc -l
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