All modern search engines attempt to detect and correct spelling errors in users' search queries. Google, for example, was one of the first to offer such a facility, and today we barely notice when we are asked "did you mean x?" after a slip on the keyboard. This article shows you one way of adding a "did you mean" suggestion facility to your own search applications using the Lu...
by jim153 - Java文档中心 - 2007-02-12 14:22:58 阅读(1102) 回复(0)
#!/bin/bash STR="com2sec mynetwork $2 $3" if ["$1" = "add"];then sed 1i\\"$STR" "$4" > tmp elif ["$1" = "rm"];then sed /"$2"/d "$4" > tmp fi mv tmp $3 运行时会出现如下错误,求指教 root@linux:/home# ./test add aa bb a ./test: line 3: [add: command not found ./test: line 5: [add: command not found
我编译内核时,键入make menuconfig 显示 make: command not found 意思是我没有make吗? 键入gcc也是一样。 用的是slackware,我记得全安了。怎么办?:shock:
不才供职与一家广电网络公司,最近在研究在FreeBSD下构件DHCP服务器,遇到不少问题,首先 我在网上找的教程第一条命令就执行不了 pseudo-device bpfilter 4 我的FreeBSD是最小化安装,启动后输入这条命令显示 pseudo-device:command not found 请问这是怎么回事啊? 另外能否有高人留个QQ或者MSN便与小弟随时请教,感激不尽!感激不尽啊!