非常有用之 Unix/Linux 单行脚本

 

作者：徐永久 来源:freelamp (2006-06-21 10:24:24)
删除 core 文件 # find ~ -name core -exec file {} /; -exec rm -i {} /; 查看使用文件的进程 # fuser -u /usr/my_application/foo 搜索字符串 #grep "hello world" `find ./ -name "*" -print -exec file {} /; |grep text | cut -d ':' -f 1` 目录 #alias dir='ls -Lla|grep ^d'   输出 IP 地址 #ifconfig | grep "inet addr" | grep -v "127.0.0.1" | awk '{print $2;}' | awk -F':' '{print $2;}' 按文件长度排序 #ls -l | grep ^- | sort -nr -k 5 | more #ls -lR | grep ^- | sort -nr -k 5 | more   二进制文件中的可打印字符 # strings name of binary file 一个月的最后一个星期天执行任务： 18 * * * 0 [`date "+%d"` -gt 24] && /path/to/script   修改扩展名： # for f in *.abc; do mv $f `basename $f .abc`.def ; done   查看硬盘情况：(Solaris) # iostat -En   整个目录树拷贝： # cd # find . -depth -print | cpio -pudm   按长度排序目录下所有文件 # du -a | sort -n -r | more   检查文件内每行是否有相同列数 #awk '{print NF}' test.txt |sort -nu|more   去除空行 #sed -e '/^[ ]*$/d' InputFile >OutputFile   查看进程占用的对应文件 inode 号(Solaris) #/usr/proc/bin/pfiles   删除指定用户的所有进程 # kill -9 `ps -fu username |awk '{ print $2 }'|grep -v PID`       Bash 操作快捷键： ctrl-l -- clear screen ctrl-r -- does a search in the previously given commands so that you don't have to repeat long command. ctrl-u -- clears the typing before the hotkey. ctrl-a -- takes you to the begining of the command you are currently typing. ctrl-e -- takes you to the end of the command you are currently typing in. esc-b -- takes you back by one word while typing a command. ctrl-c -- kills the current command or process. ctrl-d -- kills the shell. ctrl-h -- deletes one letter at a time from the command you are typing in. ctrl-z -- puts the currently running process in background, the process can be brought back to run state by using fg command. esc-p -- like ctrl-r lets you search through the previously given commands. esc-. -- gives the last command you typed.   文件名里的空格替换为下划线 # for i in $1 ; do mv "$i" `echo $i | sed 's/ /_/g'` ; done   查看远程主机时间 # telnet remotehostname 13|grep :   只显示 top 命令的states 行 #while true; do top -d 2 | col -b | grep states; sleep 10; done   加速显示　tar 文件内容 # tar tvfn   让 目录名也能　Spell Check #shopt -s cdspell 当输错命令时，系统会自动进入类似的目录   查看　Sun 服务器型号 # /usr/platform/`uname -m`/sbin/prtdiag -v | grep `uname -m`   在vi 中一行文字前后添加字符 :/^/(.*/)/s//我要 /1 添加/   查找某包含字符串(Verita)软件包的详细信息 (Solaris) pkginfo -l `pkginfo | grep -i VERITAS | awk '{print $2}'`   Sun 的一大堆脚本 http://www.sun.com/bigadmin/scripts/index.html (http://www.fanqiang.com)