jpuyy的网志

Think before you speak, read before you think.

Category: Shell

  • shell HISTCONTROL

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    jpuyy
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    执行命令行的时候，希望本条操作不保留历史命令，设置 echo $HISTCONTROL export HISTCONTROL=ignoreboth 然后执行命令 export token=12xx history 应该不显示在首字符是空格的命令

  • mktemp 生成临时文件或目录

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    jpuyy
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    Usage: mktemp [OPTION]… [TEMPLATE] Create a temporary file or directory, safely, and print its name. TEMPLATE must contain at least 3 consecutive ‘X’s in last component. If TEMPLATE is not specified, use tmp.XXXXXXXXXX, and –tmpdir is implied. Files are created u+rw, and directories u+rwx, minus umask restrictions. -d, –directory create a directory, not a file…

  • shell 遍历 0-f

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    jpuyy
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    for i in `seq 0 15` do letter=$(printf ‘%#x’ $i | sed -e ‘s/0x//g’) echo $letter done

  • zip-unzip命令

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    jpuyy
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    yum install zip unzip ubuntu使用unzip解压会出现乱码，加上-O参数就不会有乱码了,后面可接编码号如 gb2312 CP936  GBK GB18030 unzip -O gb2312 材料.zip 不解压查看zip文档的内容 unzip -v file1.zip   解压到指定目录下(如果没有会新建目录) unzip terraform_0.12.29_darwin_amd64.zip -d terraform_0.12.29 http://zeuscn.net/archives/2012/12/25/ubuntu-linux-zip-command.html