大约有 2,100 项符合查询结果（耗时：0.0168秒） [XML]
Iterate over a list of files with spaces
...ble assignment in the body of the while loop is preserved. That is, if you pipe to while as above then the body of the while is in a subshell which may not be what you want.
The advantage of the process substitution version over find ... -print0 | xargs -0 is minimal: The xargs version is fine if a...
String concatenation does not work in SQLite
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The double pipe is also the ANSI method of concatenating strings, supported on Oracle & PostgreSQL too...
– OMG Ponies
Aug 25 '10 at 18:04
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Import CSV file into SQL Server
...el (and well, it's no longer a "comma" separated file anymore, it would be pipe (|) separated, for instance. Given the hoops you're jumping through for this, and if you have SSIS - I recommend you check into it. Versions of SQL Server 2012 and later have a very robust SSIS designer (also in VS 201...
How to colorize diff on the command line?
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Just found that myself :-). It can be piped into less by using less -R, which displays the escape sequences for colors correctly.
– daniel kullmann
Jan 10 '12 at 9:25
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How to store a command in a variable in a shell script?
...handle simple commands with no redirections. It can't handle redirections, pipelines, for/while loops, if statements, etc
Another common use case is when running curl with multiple header fields and payload. You can always define args like below and invoke curl on the expanded array content
curlArgs...
Can't connect to localhost on SQL Server Express 2012 / 2016
...t.
You need to make sure that SQL Server is allowed to use TCP/IP or named pipes. You can turn these on by opening the SQL Server Configuration Manager in Start > Programs > Microsoft SQL Server 2012 > Configuration Tools (or SQL Server Configuration Manager), and make sure that TCP/IP and ...
How do I use the lines of a file as arguments of a command?
...ist() {
## Works with either Python 2.x or 3.x
python -c '
import sys, pipes, shlex
quote = pipes.quote if hasattr(pipes, "quote") else shlex.quote
print(" ".join([quote(s) for s in sys.stdin.read().split("\0")][:-1]))
'
}
eval "set -- $(quoted_list <file)"
run_your_command "$@"
...
What is a stream?
...he data (zipping it, or changing UNIX linefeeds to DOS ones, or whatever). Pipes are another thorough test of the metaphor: that's where you create a pair of streams such that anything you write into one can be read out of the other. Think wormholes :-)
...
How do I configure different environments in Angular.js?
...nction () {
var config = gulp.src('config/' + enviroment + '.json')
.pipe(ngConstant({name: 'app.config'}));
var scripts = gulp.src('js/*');
return es.merge(config, scripts)
.pipe(concat('app.js'))
.pipe(gulp.dest('app/dist'))
.on('error', function() { });
});
In my config fo...
How to use subprocess popen Python
...subprocess.Popen takes a list of arguments:
from subprocess import Popen, PIPE
process = Popen(['swfdump', '/tmp/filename.swf', '-d'], stdout=PIPE, stderr=PIPE)
stdout, stderr = process.communicate()
There's even a section of the documentation devoted to helping users migrate from os.popen to su...