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Get specific line from text file using just shell script
...ternal tools. Disallowing the use of external tools while writing a shell script is absurd. However, if you really don't want to use external tools, you can print line 5 with:
i=0; while read line; do test $((++i)) = 5 && echo "$line"; done < input-file
Note that this will print logi...
Replace comma with newline in sed on MacOS?
...
This is the only solution that works in a sed script.
– Firstrock
May 12 '14 at 19:12
6
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How do I install Python packages on Windows?
...ironment so that you can use pip anywhere. It's somewhere like C:\Python33\Scripts.
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How to get arguments with flags in Bash
... (e.g. f:), that option is expected to have an argument.
Example usage: ./script -v -a -b -f filename
Using getopts has several advantages over the accepted answer:
the while condition is a lot more readable and shows what the accepted options are
cleaner code; no counting the number of paramete...
How do RVM and rbenv actually work?
.../shims:$PATH"
Then any time you run ruby from the command line, or run a script whose shebang reads #!/usr/bin/env ruby, your operating system will find ~/.rbenv/shims/ruby first and run it instead of any other ruby executable you may have installed.
Each shim is a tiny Bash script that in turn r...
Parsing JSON with Unix tools
...s a little more cumbersome to use than jq, and depends on a standalone JavaScript interpreter being installed which is less common than a Python interpreter, so the above answers are probably preferable:
curl -s 'https://api.github.com/users/lambda' | jsawk -a 'return this.name'
This answer also ...
Viewing full output of PS command
...ll see the full path to output in both your terminal window and from shell scripts.
darragh@darraghserver ~ $uname -a
SunOS darraghserver 5.10 Generic_142901-13 i86pc i386 i86pc
darragh@darraghserver ~ $which ps
/usr/bin/ps<br>
darragh@darraghserver ~ $/usr/ucb/ps auxww | grep ps
darragh 13...
jQuery - checkbox enable/disable
...);
} else {
$("input.group1").attr("disabled", true);
}
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<form name="frmChkForm" id="frmChkForm">
<input type="checkbox" name="chkcc9" id="group1">Check Me <br>
...
How can I make git ignore future revisions to a file?
... think the solution is indeed to do something like this, preferably with a script executed whenever you pull or clone. One idea would be that anything with a particular extension (say .basefile) gets copied to a file with the extension dropped and then the file name gets added to .gitignore in that...
How do I increase modal width in Angular UI Bootstrap?
...l in-place to show what I changed.
Overwrite their default template:
<script type="text/ng-template" id="myDlgTemplateWrapper.html">
<div tabindex="-1" role="dialog" class="modal fade" ng-class="{in: animate}"
ng-style="{'z-index': 1050 + index*10, display: 'block'}" ng-clic...