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Find a file in python
... result.append(os.path.join(root, name))
return result
find('*.txt', '/path/to/dir')
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What are all the common ways to read a file in Ruby?
...
You can read the file all at once:
content = File.readlines 'file.txt'
content.each_with_index{|line, i| puts "#{i+1}: #{line}"}
When the file is large, or may be large, it is usually better to process it line-by-line:
File.foreach( 'file.txt' ) do |line|
puts line
end
Sometimes you ...
译文：理解Java中的弱引用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...对比较难以理解，建议结合英文原文进行研究。
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Java 弱引用
How do I determine file encoding in OS X?
...r instance if you go into Terminal and use vi to create a file eg. vi test.txt
then insert some characters and include an accented character (try ALT-e followed by e)
then save the file.
They type file -I text.txt and you should get a result like this:
test.txt: text/plain; charset=utf-8
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Execute command on all files in a directory
... "$file" >> results.out
done
Example
el@defiant ~/foo $ touch foo.txt bar.txt baz.txt
el@defiant ~/foo $ for i in *.txt; do echo "hello $i"; done
hello bar.txt
hello baz.txt
hello foo.txt
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Replace whitespaces with tabs in linux
..."\t" '$1=$1' file1
or SED if you preffer
sed 's/[:blank:]+/,/g' thefile.txt > the_modified_copy.txt
or even tr
tr -s '\t' < thefile.txt | tr '\t' ' ' > the_modified_copy.txt
or a simplified version of the tr solution sugested by Sam Bisbee
tr ' ' \\t < someFile > someFile
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opposite of .gitignore file? [duplicate]
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You can use .gitignore for that.
*
!file0.txt
!file1.txt
In a case where you interested in file0.txt and file1.txt.
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Remove duplicate entries using a Bash script [duplicate]
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You can sort then uniq:
$ sort -u input.txt
Or use awk:
$ awk '!a[$0]++' input.txt
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Get filename from file pointer [duplicate]
...ou can get the path via fp.name. Example:
>>> f = open('foo/bar.txt')
>>> f.name
'foo/bar.txt'
You might need os.path.basename if you want only the file name:
>>> import os
>>> f = open('foo/bar.txt')
>>> os.path.basename(f.name)
'bar.txt'
File obj...
How to do a simple file search in cmd
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dir /b/s *.txt
searches for all txt file in the directory tree. Before using it just change the directory to root using
cd/
you can also export the list to a text file using
dir /b/s *.exe >> filelist.txt
and search wit...