英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

SED    
Stream editor.

The {Unix} stream editor. It has a powerful but cryptic
command language and is based on {regular expressions}.

There is a {GNU} version called {GNU Sed}.

[{Jargon File}]

(1994-11-03)

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • What is the purpose of -e in sed command? - Unix Linux Stack Exchange
    In your example sed 's foo bar ' and sed -e 's foo bar ' are equivalent In both cases s foo bar is the script that is executed by sed The second option is more explicit, but that is probably not the reason that you often see -e used The reason for that is that -e makes it possible to use more than one script with the same invocation of sed
  • unix - sed edit file in-place - Stack Overflow
    How do I edit a file in a single sed command? Currently, I have to manually stream the edited content into a new file and then rename the new file to the original file name I tried sed -i, but my
  • regular expression - Using sed to find and replace complex string . . .
    Learn how to use sed with regex for complex string replacements in Unix systems
  • unix - What does sed -i option do? - Stack Overflow
    I'm debugging a shell script and trying to find out the task performed by the following command: sed -i '1,+999d' home org_user data txt I need to change this command as its failing with the foll
  • linux - sed with special characters - Stack Overflow
    The single quotes around the sed body will prevent the shell from substituting any variables, so the $ on the left-hand side is escaped only to prevent its special regular expression meaning
  • What is sed and what is it used for? - Ask Ubuntu
    From Sed man page: Sed is a stream editor A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline) While in some ways similar to an editor which permits scripted edits (such as ed), sed works by making only one pass over the input(s), and is consequently more efficient But it is sed's ability to filter text in a pipeline which
  • Find and replace with sed in directory and sub directories
    I run this command to find and replace all occurrences of 'apple' with 'orange' in all files in root of my site: find -exec sed -i 's apple orange g' {} \\; But it doesn't go through sub directo
  • linux - sed command in bash - Stack Overflow
    51 sed is the Stream EDitor It can do a whole pile of really cool things, but the most common is text replacement The s,%,$,g part of the command line is the sed command to execute The s stands for substitute, the , characters are delimiters (other characters can be used; , : and @ are popular)
  • What does \\1 in sed do? - Stack Overflow
    To be precise, in s foo bar , only foo is a regular expression, and the rest is other sed syntax Basically, bar is just a string, though some things like and \1 have a special meaning in that string
  • Understanding sed expression s ^\. \ g - Stack Overflow
    First, understanding the sed expression at hand s pattern replacement flags is the a sed command, described in detail in man sed In this case, pattern is a regular expression; replacement is what that pattern gets replaced with when where found; and flags describe details about how that replacement should be done





中文字典-英文字典  2005-2009