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You can use usual string sort for dates in this format. But if you want extract them use this perl regex:
echo 'the date is in the form of "2010-05-24T09:48:55-04"' |
perl -lne...

If the string is always the same then try this...
sort -k3,3 -k7,7 file

This will sort the filenames in ascending order by date in first line: perl -nlae '$F[2]=~s/-//g;$h{$ARGV}=$F[2] if $.==1;$.=0 if eof;END{$,="\n";print sort {$h{$a}<=>$h{$b}} keys %h}' *

You mean it's getting highlighted in the editor? If so, that's not a problem, it's just a visual aid by the editor to help you discern functions, variables, ... None of these highlights get saved...

In windows, it's found under your System Properties, in the Advanced tab, in the button 'Environment Variables' button.

On Unix, it's defined usually in the /etc/environment file and subsequent...

Are you sure that that 'path' variable is supposed to be set as an array?

Let's start with you entering an address in the browser, for example https://www.unix.com/web-programming/. This is called an URL...

Hello vas28r13,

In regards to hosting a website on your laptop, this can be done. Each computer connected to the internet has an IP address e.g. 72.14.203.103. If you set up some web server on...

Try: grep -n "$variable"'$' ./file.txt

Thank you.

I don't think this proprietary, eccentric, Windows implementation of the eccentric C shell supports history in that manner. Its manual page...