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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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Rearrange columns using cut
...ted, followed by field 2.
Use awk instead:
awk '{ print $2 " " $1}' file.txt
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How to replace an entire line in a text file by line number
...the greatest, but this should work:
sed -i 'Ns/.*/replacement-line/' file.txt
where N should be replaced by your target line number. This replaces the line in the original file. To save the changed text in a different file, drop the -i option:
sed 'Ns/.*/replacement-line/' file.txt > new_file...
How do I find files with a path length greater than 260 characters in Windows?
...
do a dir /s /b > out.txt and then add a guide at position 260
In powershell cmd /c dir /s /b |? {$_.length -gt 260}
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scp or sftp copy multiple files with single command
...ectory/\{a,b,c\} ./
Copy multiple files from local to remote:
$ scp foo.txt bar.txt your_username@remotehost.edu:~
$ scp {foo,bar}.txt your_username@remotehost.edu:~
$ scp *.txt your_username@remotehost.edu:~
Copy multiple files from remote to remote:
$ scp your_username@remote1.edu:/some/remo...
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 get the pure text without HTML element using JavaScript?
...pproach:
function get_content() {
var html = document.getElementById("txt").innerHTML;
document.getElementById("txt").innerHTML = html.replace(/<[^>]*>/g, "");
}
// Gabi's elegant approach, but eliminating one unnecessary line of code:
function gabi_content() {
var element = d...
What does ^M character mean in Vim?
...
Let's say your text file is - file.txt, then run this command -
dos2unix file.txt
It converts the text file from dos to unix format.
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String slugification in Python
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pip install python-slugify
Works like this:
from slugify import slugify
txt = "This is a test ---"
r = slugify(txt)
self.assertEquals(r, "this-is-a-test")
txt = "This -- is a ## test ---"
r = slugify(txt)
self.assertEquals(r, "this-is-a-test")
txt = 'C\'est déjà l\'été.'
r = slugify(txt)
se...
各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...、C++
五、Java
PHP读写文件：
// 写文件
$fp = fopen("log.txt", "a");
fwrite($fp, $str);
fclose($fp);
// 读文件
$fp = fopen("log.txt", "r");
while(!feof($fp)) {
$line = fgets($fp);
echo $line;
}
fclose($fp);
C#读写文件：
using System.IO;
private void Re...