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Bash foreach loop
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Something like this would do:
xargs cat <filenames.txt
The xargs program reads its standard input, and for each line of input runs the cat program with the input lines as argument(s).
If you really want to do this in a loop, you can:
for fn in `cat filenames.txt`; do
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The way to check a HDFS directory's size?
...ork (in Hadoop 2.7.1). For example:
Directory structure:
some_dir
├abc.txt
├count1.txt
├count2.txt
└def.txt
Assume each file is 1 KB in size. You can summarize the entire directory with:
hdfs dfs -du -s some_dir
4096 some_dir
However, if I want the sum of all files containin...
node.js: read a text file into an array. (Each line an item in the array.)
...
console.log('Line: ' + data);
}
var input = fs.createReadStream('lines.txt');
readLines(input, func);
EDIT: (in response to comment by phopkins) I think (at least in newer versions) substring does not copy data but creates a special SlicedString object (from a quick glance at the v8 source cod...
How to write a multidimensional array to a text file?
... perfectly fine).
If you want it to be human readable, look into numpy.savetxt.
Edit: So, it seems like savetxt isn't quite as great an option for arrays with >2 dimensions... But just to draw everything out to it's full conclusion:
I just realized that numpy.savetxt chokes on ndarrays with more...
Python recursive folder read
...oot = ' + root)
list_file_path = os.path.join(root, 'my-directory-list.txt')
print('list_file_path = ' + list_file_path)
with open(list_file_path, 'wb') as list_file:
for subdir in subdirs:
print('\t- subdirectory ' + subdir)
for filename in files:
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How do I execute a program from Python? os.system fails due to spaces in path
...port subprocess
subprocess.call(['C:\\Temp\\a b c\\Notepad.exe', 'C:\\test.txt'])
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当VC问你打算怎么招贤纳士的时候 你该这么答 - 资讯 - 清泛网 - 专注C/C++及内核技术
...过什么样的提问实现它。很多初次创业者以前没有经历过完整的招聘流程，特别是在超出他专业范畴的领域。这很正常，我们并不期待早期的创业者了解所有事情，而创业者们总是希望表现出能解决一切问题的样子。我们可以帮...
Best practice for Django project working directory structure
...rowser ones)
tmp/ # excluded from git
setup.py
requirements.txt
requirements_dev.txt
pytest.ini
...
Settings
The main settings are production ones. Other files (eg. staging.py,
development.py) simply import everything from production.py and override only necessary variables.
For each...
Git add all files modified, deleted, and untracked?
...q
press enter
git add <list of files> add specific file
git add *.txt add all the txt files in current directory
git add docs/*/txt add all txt files in docs directory
git add docs/ add all files in docs directory
git add "*.txt" or git add '*.txt' add all the files in the whole projec...
How to install a plugin in Jenkins manually
...ter/plugins.sh
Example of a parent Dockerfile:
FROM jenkins
COPY plugins.txt /plugins.txt
RUN /usr/local/bin/plugins.sh /plugins.txt
plugins.txt
<name>:<version>
<name2>:<version2>
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