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#!/bin/sh
# cdda2flac TARGET_FOLDER
#
# Script to rip the inserted audio compact disc (CD) to a folder of
# FLAC-compressed music files with original quality.
#
# Provide the wanted target folder as command line argument. It will be created
# during execution.
cdda2flac() {
folder="$1"
folder="$(realpath "${folder}")"
echo "Saving to ${folder}"
mkdir "${folder}"
return_path="$(pwd)"
cd "${folder}"
cdparanoia -B
find . -type f -iname '*.wav' -exec flac --delete-input-file {} \;
cd "${return_path}"
echo "\nDone! Files are saved to '${folder}'."
}
# cheat PROGRAM
#
# cheat gets the cheat sheet from https://cheat.sh about the given PROGRAM.
cheat() {
curl "https://cheat.sh/${1}"
}
# radio STATION_NAME
#
# radio translates the STATION_NAME into a web radio URL via a user-provided
# TSV file and starts to play the station's audio stream with mpv.
radio() {
# constants
data_repo="${HOME}/.local/share/mydata"
data_rel="tables/radio.tsv"
data_abs="${data_repo}/${data_rel}"
# read station from command line arguments
station="$1"
# set a handler for keyboard interrupts
trap 'exit 0' 2 15
# check dependency and warn user if necessary
if ! command -v mpv > /dev/null 2>&1
then
echo 'You have to install mpv (e.g. sudo pacman -S mpv mpv-mpris)'
exit 1
fi
# check if data file exists
if ! [ -f "${data_abs}" ]
then
echo "Data file '""${data_abs}""' not found."
exit 1
fi
# translate sender name to URL
address="$(grep "${station}" "${data_abs}" | awk -F '\t' '{print $2}')"
if [ "${address}" = "" ]
then
echo "Could not translate station ${station} to URL."
exit 1
fi
# stream from address
echo "Streaming ${station} from ${address}."
mpv "${address}"
}
# showdot SOURCE [COMPILATION_ARGS]
#
# showdot displays a GraphViz source file (*.dot) with an image viewer. The
# source code is converted into a temporary image file on the fly.
showdot() {
# process arguments
code=$1
shift
file=$(mktemp)
# compile *.dot code to *.png
if ! dot "$@" -T png -o "${file}" "${code}"
then
echo "Failed to compile with GraphViz."
exit 1
fi
# launch image viewer
if ! sxiv "${file}"
then
echo "Failed to display generated image with sxiv."
exit 1
fi
rm "${file}"
}
# tv STATION_NAME
#
# tv translates the STATION_NAME into a tv stream URL via a user-provided TSV
# file and starts to play the station's stream with mpv.
tv() {
# constants
data_repo="${HOME}/.local/share/mydata"
data_rel="tables/tv.tsv"
data_abs="${data_repo}/${data_rel}"
# read station from command line arguments
station="$1"
# set a handler for keyboard interrupts
trap 'exit 0' 2 15
# check dependency and warn user if necessary
if ! command -v mpv > /dev/null 2>&1
then
echo 'You have to install mpv (e.g. sudo pacman -S mpv mpv-mpris)'
exit 1
fi
# check if data file exists
if ! [ -f "${data_abs}" ]
then
echo "Data file '""${data_abs}""' not found."
exit 1
fi
# translate sender name to URL
address="$(grep "${station}" "${data_abs}" | awk -F '\t' '{print $2}')"
if [ "${address}" = "" ]
then
echo "Could not translate station ${station} to URL."
exit 1
fi
# stream from address
echo "Streaming ${station} from ${address}."
mpv "${address}"
}
# url
#
# url opens a menu program with URL names saved in a user-provided TSV file and
# opens the selected URL with a browser.
url() {
# constants
data_repo="${HOME}/.local/share/mydata"
data_rel="tables/urls.tsv"
data_abs="${data_repo}/${data_rel}"
# check if data file exists
if ! [ -f "${data_abs}" ]
then
echo "Data file '""${data_abs}""' not found."
exit 1
fi
# select a menu program or panic
if command -v bemenu > /dev/null 2>&1
then
menu='bemenu'
elif command -v dmenu > /dev/null 2>&1
then
menu='dmenu'
elif command -v sxmo_dmenu.sh > /dev/null 2>&1
then
menu='sxmo_dmenu.sh'
else
echo 'You have to install bemenu, sxmo_dmenu.sh or dmenu!'
exit 1
fi
# check firefox dependency and warn user if necessary
if ! command -v firefox > /dev/null 2>&1
then
echo 'You have to install firefox.'
exit 1
fi
# let user select the URL
closer="[close menu]"
options="$(awk -F '\t' '{print $2}' < "${data_abs}" | sed "$ a ${closer}")"
key="$(echo "${options}" | ${menu} -i -l 10)"
# close if user selected the close entry or stopped menu with ESC
if [ "${key}" = "${closer}" ] || [ "${key}" = "" ]
then
exit 0
fi
# search for the selected key in data file
url=""
while read -r line
do
if [ "$(echo "${line}" | awk -F '\t' '{print $2}')" = "${key}" ]
then
if [ "${url}" = "" ]
then
url="$(echo "${line}" | awk -F '\t' '{print $1}')"
else
# warn if multiple URLs have this key
echo "More than one URL in data file matching selected key!" 1>&2
break
fi
fi
done < "${data_abs}"
# open selected URL in browser
firefox "${url}"
}
|
