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他还是O'Reilly的《sed&awk》一书的作者之一。
He is the author of the O'Reilly book sed& awk.当sed遇到没有地址,在该文件中的每一行上执行其操作。
When sed encounters no addresses, it performs its operations on every line in the file.Ed/sed命令和语法继续用于派生程序,例如文本编辑器vi和vim。
The ed/sed commands and syntax continue to be used in descendent programs, such as the text editors vi and vim.当面对文件中大量的文本替换的时候,sed将是一个极大的帮助。
When facing replacement of text in a large number of files, sed is a great help.它还可以与其他工具结合使用,例如grep或sed对这些文件执行操作。
It also can be used in combination with other tools such as grep or sed to perform operations on those files.Sed和awk工具使用的用户,程序员,和系统administrators-anyone处理文本文件。
Sed and awk are tools used by users, programmers, and system administrators- anyone working with text files.UnusSedLeo(LEO)是第十二大加密资产,资本总额约为12.1亿美元。
Utility token Unus Sed Leo(LEO) comprises the 12th-largest crypto asset with a capitalization of roughly $1.21 billion.Sed是一个流编辑器,也是一个文本处理和转换工具,类似于awk。
Sed is a stream editor, yet another text processing and transformation tool, similar to awk.如同一句法谚所言:“纵为峻法,峻法亦法”(duralex,sedlex)。
A Latin saying reminds us that there are serious consequences to transgressing the law:“Dura lex, sed lex..在这个例子中,sed将删除第一行/etc/password,并打印文件的其余部分。
In this example, sed will delete the first line of/etc/password and print the rest of the file.因此,任何sed命令都可能会更改下一个命令的模式空间的内容。
As a consequence, any sed command might change the contents of the pattern space for the next command.Sed是作为特殊目的的编辑器而创建,专门执行脚本,与ed不同,不能交互使用。
Sed was created as a special-purpose editor that was meant to execute scripts exclusively; unlike ed, it cannot be used interactively.可以有很复杂的sed结构,让sed用作一种简单但高度专业化的编程语言。
Complex sed constructs are possible, allowing it to serve as a simple, but highly specialised, programming language.其中提供的两个程序是a2p和s2p用于将awk脚本和sed脚本转换为Perl。
Two of the programs provided with it are a2p and s2p for converting awk scripts and sed scripts into Perl.EE是经常ü在sed的神经科学和神经行为实验,研究恢复功能,学习和记忆2。
EE is often used in neuroscience and neurobehavioral experiments to study recovery of function, learning and memory2.Sed个其它编辑器比如vi和ed的区别在于它能够过滤来自管道的输入。
What distinguishes sed from other editors, such as vi and ed, is its ability to filter text that it gets from a pipeline feed.由于不同发行版之间system-release文件结构的差异,在你的系统中这个sed表达式可能有些不同。
Due to variations in the structure of the data in the system-release file between distributions, this sed expression may be different on your system.Awk是作为可编程的编辑器而开发的,同sed一样,面向字符流,并且解释编辑命令的脚本。
Awk was developed as a programmable editor that, like sed, is stream-oriented and interprets a script of editing commands.因此,sed脚本对应于循环体,循环体遍历流的行,其中循环本身和循环变量(当前行号)是隐式的并由sed维护。
Thus a sed script corresponds to the body of a loop that iterates through the lines of a stream, where the loop itself and the loop variable(the current line number) are implicit and maintained by sed.将参数传递到sed脚本如果你还记得mytutorialontheUnixquotingmechanism,将一个词传递到shell脚本,再调用是sed很简单的。
Passing a word into a shell script that calls sed is easy if you remembered my tutorial on the Unix quoting mechanism.
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