大约有 40,000 项符合查询结果（耗时：0.0259秒） [XML]
source command not found in sh shell
I have a script that uses sh shell. I get an error in the line that uses the source command. It seems source is not included in my sh shell.
...
django change default runserver port
...
create a bash script with the following:
#!/bin/bash
exec ./manage.py runserver 0.0.0.0:<your_port>
save it as runserver in the same dir as manage.py
chmod +x runserver
and run it as
./runserver
...
How do I set a variable to the output of a command in Bash?
I have a pretty simple script that is something like the following:
14 Answers
14
...
Are PHP short tags acceptable to use?
... support shorttags but "lots" isn't all of them. If you want to share your scripts, it's best to use the full syntax.
I agree that <? and <?= are easier on programmers than <?php and <?php echo but it is possible to do a bulk find-and-replace as long as you use the same form each time (...
Why do some scripts omit the closing PHP tag, '?>'? [duplicate]
In some scripts I see that they omit writing a closing tag ?> for the script. Why is it and should I do this as well?
...
Equivalent of jQuery .hide() to set visibility: hidden
... @Tomas You'd have to shadow toggle() which could break other scripts. If you wanted, you could add an extra argument to toggle() to specify whether visibility or display should be toggled. I'd just use the custom one in my last example, however. :)
– alex
...
Parsing boolean values with argparse
...,
help="Activate nice mode.")
allows me to use:
script --nice
script --nice <bool>
and still use a default value (specific to the user settings). One (indirectly related) downside with that approach is that the 'nargs' might catch a positional argument -- see this ...
How can I check if a directory exists in a Bash shell script?
...and can be used to check if a directory exists or not, within a Bash shell script?
35 Answers
...
Display two files side by side
...re displayed with sed is trivial comparing with writing/remembering an awk script. Even with both as functions in .bash_rc longer != better, more readable, faster.. what is the advantage here?
– Chris Seymour
Nov 12 '12 at 11:52
...
How to escape single quotes within single quoted strings
...d reopens the string.
I often whip up a "quotify" function in my Perl scripts to do this for me. The steps would be:
s/'/'\\''/g # Handle each embedded quote
$_ = qq['$_']; # Surround result with single quotes.
This pretty much takes care of all cases.
Life gets more fun when you introd...