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Batch file to delete files older than N days
...* /d:%1 /L /I null') do if exist %%~nxa echo %%~nxa >> FILES_TO_KEEP.TXT
for /f "tokens=*" %%a IN ('xcopy *.* /L /I /EXCLUDE:FILES_TO_KEEP.TXT null') do if exist "%%~nxa" del "%%~nxa"
This deletes files older than a given date. I'm sure it can be modified to go back seven days from the curre...
Bash script to set up a temporary SSH tunnel
...
$ sudo bash; exit
or sometimes:
$ : > sensitive-temporary-data.txt; bash; rm -f sensitive-temporary-data.txt; exit
These commands create a nested shell where I can do all my work; when I'm finished I hit CTRL-D and the parent shell cleans up and exits as well. You could easily throw ba...
How to create a new java.io.File in memory?
...Path("/foo");
Files.createDirectory(foo);
Path hello = foo.resolve("hello.txt"); // /foo/hello.txt
Files.write(hello, ImmutableList.of("hello world"), StandardCharsets.UTF_8);
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Do I need to manually close an ifstream?
... <fstream>
using std::ofstream;
int main() {
ofstream ofs("hello.txt");
ofs << "Hello world\n";
return 0;
}
writes file contents. But:
#include <stdlib.h>
#include <fstream>
using std::ofstream;
int main() {
ofstream ofs("hello.txt");
ofs << "Hello wor...
How do I make a redirect in PHP?
...
<?php
header('Location: static.html');
$fh = fopen('/tmp/track.txt', 'a');
fwrite($fh, $_SERVER['REMOTE_ADDR'] . ' ' . date('c') . "\n");
fclose($fh);
?>
Result of three executions:
bart@hal9k:~> cat /tmp/track.txt
127.0.0.1 2009-04-21T09:50:02+02:00
127.0.0.1 2009-04-21...
redirect COPY of stdout to log file from within bash script itself
...) into a named pipe ( >() ) running "tee"
exec > >(tee -i logfile.txt)
# Without this, only stdout would be captured - i.e. your
# log file would not contain any error messages.
# SEE (and upvote) the answer by Adam Spiers, which keeps STDERR
# as a separate stream - I did not want to stea...
Resolve absolute path from relative path and/or file name
...
@KurtPfeifle d:\foo\..\bar\xyz.txt can still be normalized. I recommend using this approach with @axel-heider's answer below (using a batch subroutine -- then you can do it on any variable, not just a numbered variable).
– BrainSlugs...
How does “cat
... multi-line string to a pipe in Bash
$ cat <<EOF | grep 'b' | tee b.txt
foo
bar
baz
EOF
The b.txt file contains bar and baz lines. The same output is printed to stdout.
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What is the maven-shade-plugin used for, and why would you want to relocate Java packages?
...xclude>NOTICE</exclude>
<exclude>/*.txt</exclude>
<exclude>build.properties</exclude>
</excludes>
</filter>
</filters>
</configuration>
...
“find: paths must precede expression:” How do I specify a recursive search that also finds files in
... me with git bash on windows, even when quoting the PATTERN find . -name '*txt'
– a different ben
Aug 10 '17 at 6:37
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