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What is the difference between $(command) and `command` in shell programming?
...actical: it's easier to nest $() than ``:
listing=$(ls -l $(cat filenames.txt))
vs.
listing=`ls -l \`cat filenames.txt\``
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Multiple file-extensions searchPattern for System.IO.Directory.GetFiles
...o invoke GetFiles with multiple patterns:
FileInfo[] fi = new string[]{"*.txt","*.doc"}
.SelectMany(i => di.GetFiles(i, SearchOption.AllDirectories))
.ToArray();
See comments section here:
http://www.codeproject.com/KB/aspnet/NET_DirectoryInfo.aspx
...
Grep characters before and after match?
...
grep -E -o ".{0,5}test_pattern.{0,5}" test.txt
This will match up to 5 characters before and after your pattern. The -o switch tells grep to only show the match and -E to use an extended regular expression. Make sure to put the quotes around your expression, else i...
Create zip file and ignore directory structure
...ld create a temporary symbolic link to your file:
ln -s /data/to/zip/data.txt data.txt
zip /dir/to/file/newZip !$
rm !$
This works also for a directory.
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How to delete files/subfolders in a specific directory at the command prompt in Windows
...med as "Ripon" & "Wasim" and it contains a file named as "riponalwasim.txt". The subfolders Ripon and Wasim was deleted but riponalwasim.txt was not deleted.
– Ripon Al Wasim
Jul 19 '13 at 4:02
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How do I get the path to the current script with Node.js?
...ead the file:
var fs = require('fs');
fs.readFile(process.cwd() + "\\text.txt", function(err, data)
{
if(err)
console.log(err)
else
console.log(data.toString());
});
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How to read a file line-by-line into a list?
...
lines = [x.rstrip('\n') for x in open('data\hsf.txt','r')] If I write this way, how can I close the file after reading?
– Ramisa Anjum Aditi
May 11 '18 at 14:16
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What is the difference between Serializable and Externalizable in Java?
...putStream(
new FileOutputStream("/Users/Desktop/files/temp.txt"));
oos.writeObject(linkedListHead); //writing head of linked list
oos.close();
But if you want restricted serialization or don't want some portion of your object to be serialized then use Externalizable...
How do I ignore a directory with SVN?
... you want to ignore more than one file/folder, add all of their names to a txt file, one line each, and use the following variant: svn propset svn:ignore -F file.txt .
– petervaz
Aug 7 '12 at 19:22
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How to redirect output to a file and stdout
...utputFile>
as shown in gnu bash manual
Example:
ls |& tee files.txt
If ‘|&’ is used, command1’s standard error, in addition to its standard output, is connected to command2’s standard input through the pipe; it is shorthand for 2>&1 |. This implicit redirection of ...