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How to write to file in Ruby?
...
Zambri's answer found here is the best.
File.open("out.txt", '<OPTION>') {|f| f.write("write your stuff here") }
where your options for <OPTION> are:
r - Read only. The file must exist.
w - Create an empty file for writing.
a - Append to a file.The file is create...
What is simplest way to read a file into String? [duplicate]
...s IO..
FileInputStream fisTargetFile = new FileInputStream(new File("test.txt"));
String targetFileStr = IOUtils.toString(fisTargetFile, "UTF-8");
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PHP - Debugging Curl
...o output errors. For example:
$fp = fopen(dirname(__FILE__).'/errorlog.txt', 'w');
( Read on http://curl.haxx.se/mail/curlphp-2008-03/0064.html )
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Can you add new statements to Python's syntax?
...logged to file"
would be equivalent to
print >>open('/tmp/logfile.txt','a'), "This gets logged to file"
There are various options as to how to do the replacing, from regex substitution to generating an AST, to writing your own parser depending on how close your syntax matches existing pyt...
Reading CSV file and storing values into an array
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LINQ way:
var lines = File.ReadAllLines("test.txt").Select(a => a.Split(';'));
var csv = from line in lines
select (from piece in line
select piece);
^^Wrong - Edit by Nick
It appears the original answerer was attempting to populate csv ...
How could the UNIX sort command sort a very large file?
...rted in 4 simultaneous threads before getting merged.
#
# psort largefile.txt 20m 4
#
# by h.p.
split -b $2 $1 $1.part
suffix=sorttemp.`date +%s`
nthreads=$3
i=0
for fname in `ls *$1.part*`
do
let i++
sort $fname > $fname.$suffix &
mres=$(($i % $nthreads))
test "$mres" -e...
How to remove trailing whitespace of all files recursively?
...This generates errors like this for every file found. sed: 1: "dir/file.txt": command a expects \ followed by text
– iamjwc
Sep 29 '08 at 15:10
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Is there a way to include commas in CSV columns without breaking the formatting?
...and MIME Type for Comma-Separated Values (CSV) Files, ietf.org/rfc/rfc4180.txt; one further 'official' specification.
– Shi
May 7 '17 at 16:29
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How to prevent rm from reporting that a file was not found?
...r message).
You can also just redirect the error message using
$ rm file.txt 2> /dev/null
(or your operating system's equivalent). You can check the value of $?
immediately after calling rm to see if a file was actually removed or not.
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How do I capture bash output to the Mac OS X clipboard?
...e does the reverse, writing to stdout from the clipboard:
pbpaste > ls.txt
You can use both together to filter content on the clipboard - here's a rot13:
pbpaste | tr 'a-zA-Z' 'n-za-mN-ZA-M' | pbcopy
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