Created
July 23, 2011 05:01
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perl -pi -e 's/print/echo/g' SomeFile.txt | |
# sed -i -e 's/print/echo/g' SomeFile.txt | |
# avg | |
cat count.txt | awk '{sum+=$1} END {print "Average = ", sum/NR}' | |
# 分割压缩文件 | |
tar cvjf - package | split -b 10m - package.tar.bz2. | |
cat package.tar.bz2.* | tar xjv | |
# OS X Lion | |
chflags nohidden ~/Library | |
chflags hidden ~/Library | |
# Mac OS X | |
sudo mdutil -i off "/Volumes/Time Machine Backups/" | |
defaults write com.apple.finder AppleShowAllFiles -bool true | |
KillAll Finder | |
# uri = 'mysql://user:passwd@localhost:3306/dbname?charset=utf8' | |
# uri = 'sqlite:////tmp/dbname.db' | |
# uri = mysql://user:passwd@localhost:3306/dbname?charset=utf8 | |
# uri = sqlite:////tmp/dbname.db | |
sed -e 's!mysql\([^'\'']*\)!sqlite:////tmp/dbname.db!' | |
# or | |
sed -e "s!mysql\([^']*\)!sqlite:////tmp/dbname.db!" | |
# 行首添加字符 | |
sed 's/^/HEAD&/g' test.txt | |
# 行尾添加字符 | |
sed 's/$/&TAIL/g' test.txt | |
rename "s/\.html/\.php/" * //把.html 后缀的改成 .php后缀 | |
# awk 最后一段 | |
awk '{print $NF}' | |
# awk 平均数 | |
awk '{sum+=$1} END {print sum/NR}' |
这么早起?
…On Jan 4, 2012 7:34 AM, "Ratazzi" < ***@***.***> wrote:
~/Library/Preferences 下面有很多 plist 文件,看了大概就知道了,后面那个就不清楚了
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~/Library/Preferences 下面有很多 plist 文件,看了大概就知道了,后面那个就不清楚了