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How to escape a single quote inside awk
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@syntaxerror By custom, an in-line awk script is usually escaped with single quotes, because awk syntax often contains lexical elements which are special to the shell, such as double quoted string literals, and numbered fields denoted by dollar signs. If a sed reg...
rsync: how can I configure it to create target directory on server?
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Thanks, this works. In my case I was running a local bash script on a remote server and within that running the ssh mkdir command which was executing, but then killing the rest of the script before running the rsync command. This allows the rest of the script to run without issues.
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How to create new tmux session if none exists
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Although I find rampion's answer is sufficient for using 1 session, this script lets you setup multiple sessions:
SESSIONS="work play"
function has-session {
tmux has-session -t $1 2>/dev/null
}
function except
{
if [ "$?" -eq 1 ] ; then
$1
fi
}
# Configure your session...
How to get URL parameter using jQuery or plain JavaScript?
...volving a zero-width whitespace (\u200b) towards the end there. Making the script have an invisible syntax error.
– Christofer Ohlsson
Aug 12 '14 at 8:54
14
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How do I remove all .pyc files from a project?
...ct and want to remove the .pyc files they've left behind. I tried the bash script:
19 Answers
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Set a path variable with spaces in the path in a Windows .cmd file or batch file
I'm new to script writing and can't get this one to work. I could if I moved the files to a path without a space in it, but I'd like it to work with the space if it could.
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How to get back to most recent version in Git?
... a bit confused about something. I needed to run the previous version of a script through a debugger, so I did git checkout <previous version hash> and did what I needed to do.
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How to get file_get_contents() to work with HTTPS?
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Try the following script to see if there is an https wrapper available for your php scripts.
$w = stream_get_wrappers();
echo 'openssl: ', extension_loaded ('openssl') ? 'yes':'no', "\n";
echo 'http wrapper: ', in_array('http', $w) ? 'yes':...
Fatal error: Class 'ZipArchive' not found in
...t I install 'Archive_Zip 0.1.1' on Linux server, but when I try to run the script to create the zip file it gives the fatal error
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Remove empty array elements
... answer on this topic is absolutely INCORRECT.
Consider the following PHP script:
<?php
$arr = array('1', '', '2', '3', '0');
// Incorrect:
print_r(array_filter($arr));
// Correct:
print_r(array_filter($arr, 'strlen'));
Why is this? Because a string containing a single '0' character also eva...