大约有 3,600 项符合查询结果（耗时：0.0332秒） [XML]
How can I have grep not print out 'No such file or directory' errors?
...ms, e.g. when you use xargs with grep. Try creating 2 files in a dir, 'aaa.txt' and 'a b.txt', both containing the string 'some text'. The command /bin/ls -1 | xargs grep 'some text' will give you "no such file or directory" because it breaks up 'a b.txt' into 2 args. If you suppress, you won't noti...
What is a unix command for deleting the first N characters of a line?
...
You can use cut:
cut -c N- file.txt > new_file.txt
-c: characters
file.txt: input file
new_file.txt: output file
N-: Characters from N to end to be cut and output to the new file.
Can also have other args like: 'N' , 'N-M', '-M' meaning nth charact...
Gdb print to file instead of stdout
...e
Change the name of the current logfile. The default logfile is gdb.txt.
set logging overwrite [on|off]
By default, gdb will append to the logfile. Set overwrite if you want set logging on to overwrite the logfile instead.
set logging redirect [on|off]
By default, gdb output w...
Install specific git commit with pip
... possible to automatically install a python package using the requirements.txt file on you project just by adding the following line:
-e git+https://github.com/owner/repository.git@branch_or_commit
and run the command line:
$ pip install -r requirements.txt
...
How to read lines of a file in Ruby
...r\n" from Windows, here's what I would do:
line_num=0
text=File.open('xxx.txt').read
text.gsub!(/\r\n?/, "\n")
text.each_line do |line|
print "#{line_num += 1} #{line}"
end
Of course this could be a bad idea on very large files since it means loading the whole file into memory.
...
Wget output document and headers to STDOUT
...$ wget -q -S -O - 2>&1 | grep ...
or
$ wget -q -S -O - 1>wget.txt 2>&1
The -q option suppresses the progress bar and some other annoyingly chatty parts of the wget output.
share
|
...
Inline comments for Bash?
...le piped commands.
Example uncommented code:
#!/bin/sh
cat input.txt \
| grep something \
| sort -r
Solution for a pipe comment (using a helper function):
#!/bin/sh
pipe_comment() {
cat -
}
cat input.txt \
| pipe_comment "filter down to lines that co...
Is it possible to write data to file using only JavaScript?
...I don't want to print it on console.
I want to Actually Write data to abc.txt .
I read many answered question but every where they are printing on console.
at some place they have given code but its not working.
So please can any one help me How to actually write data to File.
...
How to delete files older than X hours
...LES need to be in quotes (double quotes) and you can use a pattern like: ".txt" for all .txt files or files beginning with a pattern like: "temp-" to delete all files named with temp-
– achasinh
Oct 4 '17 at 10:01
...
NASM x86汇编入门指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...一篇关于AT&T的汇编入门文章)
3.2 如何安装NASM？
下载地址：http://www.nasm.us/
可以下载源码包或者rpm包，rpm –iUh *.rpm
四、Linux汇编介绍
4.1 DOS和Linux汇编主要不同的地方
DOS汇编中，大部分工作依靠21号中断(int ...