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How to grep for two words existing on the same line? [duplicate]
... I'm looking for lines that contain both words, how do I do that? I tried pipe like this:
7 Answers
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Is file append atomic in UNIX?
...
A write that's under the size of 'PIPE_BUF' is supposed to be atomic. That should be at least 512 bytes, though it could easily be larger (linux seems to have it set to 4096).
This assume that you're talking all fully POSIX-compliant components. For instan...
What does this symbol mean in JavaScript?
...arrow formed from equals & greater than) in JavaScript?
|> — Pipe, greater than: Pipeline operator
What does the "|>" operator do in Javascript?
function*, yield, yield* — Star after function or yield: generator functions
What is "function*" in JavaScript?
What's the yield ...
Using sed to mass rename files
...
To debug this, remove the pipe into sh at the end. The commands will echo out to the screen.
– Ben Mathews
May 19 '14 at 15:09
1
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How to store standard error in a variable
... don't think there's an easy way to do it. You'd have to build the entire pipeline into the sub-shell, eventually sending its final standard output to a file, so that you can redirect the errors to standard output.
ERROR=$( { ./useless.sh | sed s/Output/Useless/ > outfile; } 2>&1 )
Not...
grep exclude multiple strings
...is in filename.txt:
abc
def
ghi
jkl
grep command using -E option with a pipe between tokens in a string:
grep -Ev 'def|jkl' filename.txt
prints:
abc
ghi
Command using -v option with pipe between tokens surrounded by parens:
egrep -v '(def|jkl)' filename.txt
prints:
abc
ghi
...
转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...m_mysql]# make
然后报错“make: *** [dynamic/pam_mysql.o] Error 1”无法尽心，没有生成pam_mysql.so模块。
A:
装mysql的devel和shared包吧，对应版本的，用mysql.com上面的就行
QUOTE:
Q：
安装POSTFIX2.2.7出错
[root@mail postfix...
Can't connect to local MySQL server through socket homebrew
...
The file /tmp/mysql.sock is probably a Named-Pipe, since it's in a temporary folder. A named pipe is a Special-File that never gets permanently stored.
If we make two programs, and we want one program to send a message to another program, we could create a text file. ...
Proxy with express.js
...in any way you want
var newurl = 'http://google.com/';
request(newurl).pipe(res);
});
I hope this helps, took me a while to realize that I could do this :)
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婚庆O2O：领跑的企业也就只走到B轮 - 资讯 - 清泛网 - 专注C/C++及内核技术
...哪个，婚礼筹备什么节点该干什么，仍是一头雾水。新人登录各种五花八门的网站平台，下载各种app，看到的仍旧是眼花缭乱的各种优惠促销的商家，酒店、婚礼策划、婚纱摄影、婚品等。
而且，但凡一个新模式出来了，立马...