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Quickly create large file on a Windows system
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"fsutil sparse setflag temp.txt" sets the sparse flag, making it a sparse file. "fsutil sparse setrange temp.txt 0 1024" sets the range of sparseness :)
– Coldblackice
May 10 '14 at 21:53
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Find lines from a file which are not present in another file [duplicate]
I have two files (let's say a.txt and b.txt ), both of which has a list of names. I have already run sort on both the files.
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“unadd” a file to svn before commit
...ocumentation:
you can undo any scheduling operations:
$ svn add mistake.txt whoops
A mistake.txt
A whoops
A whoops/oopsie.c
$ svn revert mistake.txt whoops
Reverted mistake.txt
Reverted whoops
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List files recursively in Linux CLI with path relative to the current directory
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Use find:
find . -name \*.txt -print
On systems that use GNU find, like most GNU/Linux distributions, you can leave out the -print.
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How do I ignore files in Subversion?
... # Open an existing repo.
echo "foo" > "ignoreThis.txt" # Create a file called "ignoreThis.txt".
svn status # Check to see if the file is ignored or not.
> ? ./ignoreThis.txt
> 1 unversioned file ...
Find and Replace Inside a Text File from a Bash Command
..., say abc , and replace with another string, say XYZ in file /tmp/file.txt ?
14 Answers
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Recursive sub folder search and return files in a list python
...lenames in os.walk(PATH) for f in filenames if os.path.splitext(f)[1] == '.txt']
Edit:
After the latest downvote, it occurred to me that glob is a better tool for selecting by extension.
import os
from glob import glob
result = [y for x in os.walk(PATH) for y in glob(os.path.join(x[0], '*.txt'))...
How to read a text file into a string variable and strip newlines?
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You could use:
with open('data.txt', 'r') as file:
data = file.read().replace('\n', '')
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Only read selected columns
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Say the data are in file data.txt, you can use the colClasses argument of read.table() to skip columns. Here the data in the first 7 columns are "integer" and we set the remaining 6 columns to "NULL" indicating they should be skipped
> read.table("dat...
Create or write/append in text file
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Try something like this:
$txt = "user id date";
$myfile = file_put_contents('logs.txt', $txt.PHP_EOL , FILE_APPEND | LOCK_EX);
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