robin-a-meade

Response to "Writing Secure Shell Scripts"

https://www.linuxjournal.com/content/writing-secure-shell-scripts

The first "What file do you seek?" example is safe. I tried it in bash 4.4:

cd "$(mktemp -d)"
cat > script <<EOF
echo -n "What file do you seek? "

robin-a-meade

Switch to Liberation from DejaVu for better font-handling in Firefox

Test page: https://en.wikipedia.org/wiki/User:Kaldari/Font_test

Firefox defaults to the system defaults, so it's best to make the change at the system level than in Firefox preferences.

First, check current defaults

for family in serif sans-serif monospace Arial Helvetica Verdana "Times New Roman" "Courier New"; do

robin-a-meade

A patch to make vpn-indicator-shell-extension work for SNX

This is a patch to the VPN Indicator Gnome Shell Extension to make it work for the SNX VPN.

Links for the VPN Indicator Gnome Shell Extension:

• VPN Indicator
  https://extensions.gnome.org/extension/1134/vpn-indicator/

• github.com/howdoicomputer/vpn-indicator-shell-extension

robin-a-meade

reddit_created — A bash script to lookup the creation date of a reddit post or comment

Example

[robin@laptop ~] $ reddit_created https://www.reddit.com/r/redditisfun/comments/48dk3e/see_actual_date_of_comment_instead_of_2_months/
Mon Feb 29 02:41:34 PM HST 2016
Tue Mar  1 12:41:34 AM GMT 2016

robin-a-meade

Using maven as a downloader

I needed to download Oracle JDBC jar files for use with my database query tool. Oracle JDBC drivers have been available in the public official Maven repository since September 15, 2019. They extended it to include all supported releases in February, 2020. (link1 [link2] [link3] [link4]).

robin-a-meade

Change column order for exa long listing

Related issue:

• configurable column order (for long output) [feature request] #161
  ^{ogham/exa#161}

Temporary workaround

robin-a-meade

#!/usr/bin/env raku

# The following `use` pragma requires the leading 'v' in the version specification, or you'll get 
# an error:
#
#    in Raku please use "v" prefix for pragma (e.g., "use v6;", "use v6.c;") instead
#
# The relevant documention page shows only examples with the 'v'
# https://docs.raku.org/language/pragmas

robin-a-meade

#!/bin/perl

# Binary search in perl
# https://www.perlmonks.org/?node_id=920127
# Useful for finding closest element
# https://www.perlmonks.org/?node_id=927656

sub _unsigned_to_signed { unpack('j', pack('J', $_[0])) }

sub binsearch(&$\@) {

robin-a-meade

#!/bin/perl
#!/bin/perl -CSDA   # Try this variation

use v5.16.3;
use warnings;
use File::Temp qw(tempfile tempdir);

my @layers;

print 'tmp layers: ';

robin-a-meade

#!/bin/sh

AMOUNT=5
WHAT=paras
START=false
MARKDOWN_PARAGRAPHS= # Insert a blank line between paragraphs, like Markdown
HARD_WRAP=
WIDTH=78

while getopts ":n:wpblsmhW:" opt; do