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Meaning of $? (dollar question mark) in shell scripts
...ile non-zero values are mapped to various reason for failure.
Hence when scripting; I tend to use the following syntax
if [ $? -eq 0 ]; then
# do something
else
# do something else
fi
The comparison is to be done on equals to 0 or not equals 0.
** Update Based on the comment: Ideally, you sh...
How to unbind a listener that is calling event.preventDefault() (using jQuery)?
... what you can do is trick it :)
<div id="t1">Toggle</div>
<script type="javascript">
$('#t1').click(function (e){
if($(this).hasClass('prevented')){
e.preventDefault();
$(this).removeClass('prevented');
}else{
$(this).addClass('prevented');
}
});
<...
How does the Windows Command Interpreter (CMD.EXE) parse scripts?
... ran into ss64.com which provides good help regarding how to write batch scripts that the Windows Command Interpreter will run.
...
Force line-buffering of stdout when piping to tee
... @houbysoft: I'm glad it worked for you. unbuffer is only a small script so you shouldn't have needed to recompile the whole package.
– Paused until further notice.
Jul 5 '12 at 3:40
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Hexadecimal To Decimal in Shell Script
...meone help me to convert a hexadecimal number to decimal number in a shell script?
6 Answers
...
Efficiently test if a port is open on Linux?
From a bash script how can I quickly find out whether a port 445 is open/listening on a server.
14 Answers
...
Simulating ENTER keypress in bash script
I've created a really simple bash script that runs a few commands.
one of these commands needs user input during runtime. i.e it asks the user "do you want to blah blah blah?", I want to simply send an enter keypress to this so that the script will be completely automated.
...
Passing arguments with spaces between (bash) script
I've got the following bash two scripts
1 Answer
1
...
Generating random number between 1 and 10 in Bash Shell Script [duplicate]
...would I generate an inclusive random number between 1 to 10 in Bash Shell Script?
6 Answers
...
“PKIX path building failed” and “unable to find valid certification path to requested target”
... ... Starting SSL handshake... javax.net.ssl.SSLException: Received fatal alert: protocol_version .. Could not obtain server certificate chain
– Sandeepan Nath
Jun 11 at 17:38
...