If you have a folder full of ebooks in various formats and not necessarily one sigle format and you want to have a quick menu to browse though your collection without requiring to open a File Manager then you are going to love this script.
The scripts works by allowing you to browse to the requied folder of your choice
and once you select the file, then using xdg-open to open the file with your default
viewer.
Sometimes just one line of code can make all the difference. I will show you with example.
Here is script with 2 functions. Both are writing some lines of text to a file. First function, “a” I have used the redirection to write to file. Function “b”, I have opened a file descriptor with “>” before going into the loop and use that reference for writing to the file. (This concept remains same for any scripting or programming language).
Continue readingLot of times, I just want to copy the git url to clipboard. This is so common in my flow of work that I created an alias for it. Here it is:
alias git-url="cat .git/config|awk '/url/ {print $3}'|xclip -i -selection clipboard"
Here is the script. Very simple yet very useful script.
#!/bin/bash -
#===============================================================================
#
# FILE: kitty-theme.sh
#
# USAGE: ./kitty-theme.sh
#
# DESCRIPTION:
#
# OPTIONS: ---
# REQUIREMENTS: ---
# BUGS: ---
# NOTES: ---
# AUTHOR: Amit Agarwal (aka),
# ORGANIZATION: Individual
# CREATED: 12/06/2019 10:15
# Last modified: Fri Dec 06, 2019 10:41AM
# REVISION: ---
#===============================================================================
set -o nounset # Treat unset variables as an error
FOLDER="/git/terminal.sexy/dist/schemes" ### This is git folder where you have terminal.sexy cloned
if [[ ! -d $FOLDER ]]
then
cd $FOLDER/../../../
git clone https://github.com/stayradiated/terminal.sexy
fi
cd $FOLDER
tmp=$(mktemp /tmp/color-XXXXXXXX)
echo $tmp
files=$(find . -type f -name \*json)
for line in $(echo ${files[*]})
do
echo "Processing $line"
>$tmp
echo "# From $line.. processed by Amit Agarwal script" >> $tmp
sed -n -e '/color/,/\],/ p' $line | sed -e 1d -e '$d'| \
sed 's/[",]//g'|awk '{count++; print "color"count"\t "$1}' >> $tmp
grep ground $line |sed 's/^ *//' |sed 's/[":,]//g' >> $tmp
kitty @ set-colors -a $tmp
ls --color=auto ~
read -p "If you like the theme, just press l ::" test
if [[ $test == "l" ]]
then
rm -f ~/.config/kitty/theme.conf
cp $tmp ~/.config/kitty/theme.conf
fi
done
rm -f $tmp
Here is the youtbe video that will walk you through bash script.
Lot of times, you have to ssh to a server with bastion host. If you dont know what is bastion host then see this:
Now, in such cases, either you add an entry in “~/.ssh/config” to route the ssh through the bastion host or do ssh to bastion host and then ssh from there to the actual host. But wait, there is always a better way:
Continue reading