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Detect 'free' version, Add flags to customize underline, Change all negative flags to neutral ones

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dylan araps 10 years ago
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commit 1f58408293
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#!/usr/bin/env bash
# Fetch info about your system
#
# Optional Dependencies: (You'll lose these features without them)
# Displaying Images: w3m
# Image Cropping: ImageMagick
# Wallpaper Display: feh Window Manager Detection: wmctrl
# Current Song: mpc
# Text formatting, dynamic image size and padding: tput
#
# Created by Dylan Araps
# https://github.com/dylanaraps/dotfiles
# Info Prefixes {{{
# The titles that come before the info (Ram:, Cpu:, Uptime:)
# TODO: Add an easy way to specify these at launch.
title_os="OS"
title_kernel="Kernel"
title_uptime="Uptime"
title_packages="Packages"
title_shell="Shell"
title_windowmanager="Window Manager"
title_cpu="CPU"
title_memory="Memory"
title_song="Song"
# }}}
# Text Formatting {{{
# Line wrap
# Set this to 0 or use the flag "--nowrap" to disable
# line wrapping. Really useful for small terminal windows
# and long lines.
linewrap=1
# Set to "", comment this line or use the flaf "--nobold"
# to disable bold text.
bold=$(tput bold)
# Default colors
# Colors can be defined at launch with:
# "--titlecol 1, --subtitlecol 2, --coloncol 3, --infocol 4"
# Or the shorthand "-c/--color 1 2 3 4"
# Or by editing them below.
title_color=$(tput setaf 7)
subtitle_color=$(tput setaf 1)
colon_color=$(tput setaf 7) # Also changes underline color
info_color=$(tput setaf 7)
# Reset formatting
# Removing this line will fuck up the text formatting
clear=$(tput sgr0)
# Amount of left padding to use when images are disabled.
# The variable takes a count of spaces. So a value of 10
# will pad the text to the right 10 spaces.
padding=0
# }}}
# Custom Image {{{
# Enable or disable the use of images (Disable images at launch with "--noimg")
enableimages=1
# If 1, fetch will use a cropped version of your wallpaper as the image
# (Disable this at launch with "--nowall")
# NOTE: This is only compatible with feh, I can add support for more
# wallpaper setters but you'll need to show me a way to get the current
# wallpaper from the commandline.
usewall=1
# The image to use if usewall=0. There's also the launch flags "-i" + "--image"
# to set a custom image at launch.
img="$HOME/Pictures/avatars/gon.png"
# Image size is based on terminal size
# Using the flag "--size" sets this to 0.
img_auto=1
# Image size to use if img_auto=0
# Also configureable at launch with "--size"
size=128
# Font width is needed to properly calulate the image size
# If there's a gap on the right try increasing the value by 1
# If there's an overlap try decreasing the value by 1
fontwidth=5
# Gap is the amount of space between the image and the text on the right
gap=4
# Image size/offset
# (Customizable at launch with these flags: --xoffset 0 --yoffset 0")
yoffset=0
xoffset=0
# Default crop offset (Customizable at launch with --cropoffset)
# Possible values:
# northwest, north, northeast, west, center, east, southwest, south, southeast
crop_offset="center"
# Directory to store cropped images
imgtempdir="$HOME/.fetchimages"
# }}}
# Get Info {{{
# Commands to use when gathering info
# Title (Configurable with "-t" and "--title" at launch)
# To use the usual "user@hostname" change the line below to:
title="$(whoami)@$(hostname)"
# Operating System (Configurable with "-O" and "--distro" at launch)
# You can manually set this if the command below doesn't work for you.
if type -p crux >/dev/null 2>&1; then
os="CRUX"
else
os=$(awk '/^NAME=/' /etc/*ease | sed -n 's/^NAME=//p' | tr -d '"')
fi
# Linux kernel name/version (Configurable with "-K" and "--kernel" at launch)
kernel=$(uname -r)
# System Uptime (Configurable with "-U" and "--uptime" at launch)
uptime=$(uptime -p)
# Total number of packages (Configurable with "-P" and "--packages" at launch)
# If your package manager can't be found open an issue on my github repo.
# (Link is at the top)
getpackages () {
case $os in
'Arch Linux'|'Parabola GNU/Linux-libre'|'Manjaro'|'Antergos') \
packages=$(pacman -Q | wc -l) ;;
'Ubuntu'|'Mint'|'Debian'|'Kali Linux'|'Deepin Linux') \
packages=$(dpkg --get-selections | grep -v deinstall$ | wc -l) ;;
'Slackware') \
packages=$(ls -1 /var/log/packages | wc -l) ;;
'Gentoo'|'Funtoo') \
packages=$(ls -d /var/db/pkg/*/* | wc -l) ;;
'Fedora'|'openSUSE'|'Red Hat Enterprise Linux'|'CentOS') \
packages=$(rpm -qa | wc -l) ;;
'CRUX') \
packages=$(pkginfo -i | wc -l) ;;
*) packages="unknown" ;;
esac
}
# Shell (Configurable with "-s" and "--shell" at launch)
shell="$SHELL"
# Window manager (Configurable with "-W" and "--windowmanager" at launch)
# (depends on wmctrl)
# This can be detected without wmctrl by using an array of window manager
# process names and pgrep but it's really slow.
# (Doubles script startup time in some cases).
# If you don't want to install wmctrl you can either edit the var below,
# export the "windowmanager" variable in your shell's configuration file,
# or run the script with: --windowmanager wmname
# windowmanager="openbox"
getwindowmanager () {
if type -p wmctrl >/dev/null 2>&1; then
windowmanager=$(wmctrl -m | awk '/Name:/ {printf $2}')
elif [ -e ~/.xinitrc ]; then
windowmanager=$(grep -v "^#" "${HOME}/.xinitrc" | tail -n 1 | cut -d " " -f2)
else
windowmanager="Unknown"
fi
}
# Processor (Configurable with "-C", "-S" and "--cpu", "--speed" at launch)
cpu="$(awk 'BEGIN{FS=":"} /model name/ {print $2; exit}' /proc/cpuinfo |\
awk 'BEGIN{FS="@"; OFS="\n"} { print $1; exit }' |\
sed -e 's/\((tm)\|(TM)\)//' -e 's/\((R)\|(r)\)//' -e 's/^\ //')"
# Get current/min/max cpu speed
speed_type="max"
cpuspeed () {
case $speed_type in
current) speed="$(lscpu | awk '/CPU MHz:/ {printf "scale=1; " $3 " / 1000 \n"}' | bc -l)" ;;
min) speed="$(lscpu | awk '/CPU min MHz:/ {printf "scale=1; " $4 " / 1000 \n"}' | bc -l)" ;;
max) speed="$(lscpu | awk '/CPU max MHz:/ {printf "scale=1; " $4 " / 1000 \n"}' | bc -l)" ;;
esac
}
# Memory (Configurable with "-M" and "--memory" at launch)
# Print the total amount of ram and amount of ram in use
getmemory () {
case $os in
'Ubuntu'|'Mint'|'Debian'|'Kali Linux'|'Deepin Linux') \
usedmem=$(free -m | awk '/cache:/ {print $3}'); \
totalmem=$(free -m | awk '/Mem:/ {print $2}'); \
memory="${usedmem}MB / ${totalmem}MB" ;;
*) memory=$(free -m | awk '/Mem:/ {printf $3 "MB / " $2 "MB"}') ;;
esac
}
# Currently playing song/artist (Configurable with "-m" and "--song" at launch)
if type -p mpc >/dev/null 2>&1; then
song=$(mpc current)
else
song="Unknown"
fi
# Print terminal colors in a line
# (Configurable with "--printcols start end" at launch)
# Start/End are vars for the range of colors to print
# The default values below print 8 colors in total.
start=0
end=7
# Print the color blocks by default.
printcols=1
# Widh of the color blocks
blockwidth=3
printcols () {
while [ "$start" -le "$end" ]; do
printf "%s%${blockwidth}s" "$(tput setab $start)"
start=$((start + 1))
# Split the blocks at 8 colors
[ $end -ge 9 ] && [ $start -eq 8 ] && printf "\n%${pad}s" "$clear$pad"
done
# Clear formatting
printf %s "$clear"
}
# }}}
# Usage {{{
usage () {
printf '%s\n'
printf '%s\n' "usage: ${0##*/} [--colors 1 2 4 5] [--kernel \"\$(uname -rs)\"]"
printf '%s\n'
printf '%s\n' " Info:"
printf '%s\n' " --title string Change the title at the top"
printf '%s\n' " --distro string/cmd Manually set the distro"
printf '%s\n' " --kernel string/cmd Manually set the kernel"
printf '%s\n' " --uptime string/cmd Manually set the uptime"
printf '%s\n' " --packages string/cmd Manually set the package count"
printf '%s\n' " --shell string/cmd Manually set the shell"
printf '%s\n' " --winman string/cmd Manually set the window manager"
printf '%s\n' " --cpu string/cmd Manually set the cpu name"
printf '%s\n' " --memory string/cmd Manually set the memory"
printf '%s\n' " --speed string/cmd Manually set the cpu speed"
printf '%s\n' " --speed_type Change the type of cpu speed to get"
printf '%s\n' " Possible values: current, min, max"
printf '%s\n' " --song string/cmd Manually set the current song"
printf '%s\n'
printf '%s\n' " Text Colors:"
printf '%s\n' " --colors 1 2 3 4 Change the color of text"
printf '%s\n' " (title, subtitle, colon, info)"
printf '%s\n' " --titlecol num Change the color of the title"
printf '%s\n' " --subtitlecol num Change the color of the subtitle"
printf '%s\n' " --coloncol num Change the color of the colons"
printf '%s\n' " --infocol num Change the color of the info"
printf '%s\n'
printf '%s\n' " Text Formatting:"
printf '%s\n' " --nowrap Disable line wrapping"
printf '%s\n' " --nobold Disable bold text"
printf '%s\n'
printf '%s\n' " Color Blocks:"
printf '%s\n' " --printcols start end Range of colors to print as blocks"
printf '%s\n' " --blockwidth num Width of color blocks"
printf '%s\n' " --nopal Disable the color blocks"
printf '%s\n'
printf '%s\n' " Image:"
printf '%s\n' " --image Image to display with the script"
printf '%s\n' " The image gets priority over other"
printf '%s\n' " images: (wallpaper, \$img)"
printf '%s\n' " --fontwidth px Used to automatically size the image"
printf '%s\n' " --size px Change the size of the image"
printf '%s\n' " --cropoffset value Change the crop offset. Possible values:"
printf '%s\n' " northwest, north, northeast, west, center"
printf '%s\n' " east, southwest, south, southeast"
printf '%s\n'
printf '%s\n' " --padding num How many spaces to pad the text"
printf '%s\n' " to the right"
printf '%s\n' " --xoffset px How close the image will be "
printf '%s\n' " to the left edge of the window"
printf '%s\n' " --yoffset px How close the image will be "
printf '%s\n' " --gap num Gap between image and text right side"
printf '%s\n' " to the top edge of the window"
printf '%s\n' " --noimg Disable all images"
printf '%s\n' " --nowall Disable the wallpaper function"
printf '%s\n' " and fallback to \$img"
printf '%s\n' " --clean Remove all cropped images"
printf '%s\n'
printf '%s\n' " Other:"
printf '%s\n' " --help Print this text and exit"
printf '%s\n'
exit 1
}
# }}}
# Args {{{
for argument in "$@"; do
case $1 in
# Info
--title) title="$2" ;;
--distro) os="$2" ;;
--kernel) kernel="$2" ;;
--uptime) uptime="$2" ;;
--packages) packages="$2" ;;
--shell) shell="$2" ;;
--winman) windowmanager="$2" ;;
--cpu) cpu="$2" ;;
--speed) speed="$2" ;;
--speed_type) speed_type="$2" ;;
--memory) memory="$2" ;;
--song) song="$2" ;;
# Text Colors
--colors) title_color="$(tput setaf $2)"; \
[ ! -z $3 ] && subtitle_color="$(tput setaf $3)"; \
[ ! -z $4 ] && colon_color="$(tput setaf $4)"; \
[ ! -z $5 ] && info_color="$(tput setaf $5)" ;;
--titlecol) title_color="$(tput setaf $2)" ;;
--subtitlecol) subtitle_color="$(tput setaf $2)" ;;
--coloncol) colon_color="$(tput setaf $2)" ;;
--infocol) info_color="$(tput setaf $2)" ;;
# Text Formatting
--nowrap) linewrap=0 ;;
--nobold) bold="" ;;
# Color Blocks
--printcols) start=$2; end=$3 ;;
--nopal) printcols=0 ;;
# Image
--image) usewall=0; img="$2" ;;
--fontwidth) fontwidth="$2" ;;
--size) img_auto=0 imgsize="$2" ;;
--cropoffset) crop_offset="$2" ;;
--padding) padding="$2" ;;
--xoffset) xoffset="$2" ;;
--yoffset) yoffset="$2" ;;
--gap) gap="$2" ;;
--noimg) enableimages=0 ;;
--nowall) usewall=0 ;;
--clean) rm -rf "$imgtempdir" || exit ;;
# Other
--help) usage ;;
esac
# The check here fixes shift in sh/mksh
[ ! -z "$1" ] && shift
done
# }}}
# Image {{{
# If the script was called with --noimg, disable images and padding
if [ $enableimages -eq 1 ]; then
# Check to see if auto=1
if [ $img_auto -eq 1 ]; then
# Image size is half of the terminal
imgsize=$(($(tput cols) * fontwidth / 2))
# Padding is half the terminal width + gap
padding=$(($(tput cols) / 2 + gap))
fi
# If usewall=1, Get image to display from current wallpaper.
# (only works with feh)
[ $usewall -eq 1 ] && \
img=$(awk '/feh/ {printf $3}' "$HOME/.fehbg" | sed -e "s/'//g")
# Get name of image and prefix it with it's crop offset
imgname="$crop_offset-${img##*/}"
# This check allows you to resize the image at launch
if [ -f "$imgtempdir/$imgname" ]; then
imgheight=$(identify -format "%h" "$imgtempdir/$imgname")
[ $imgheight != $imgsize ] && rm "$imgtempdir/$imgname"
fi
# Check to see if the tempfile exists before we do any cropping.
if [ ! -f "$imgtempdir/$imgname" ]; then
# Check if the directory exists and create it if it doesn't
[ ! -d "$imgtempdir" ] && (mkdir "$imgtempdir" || exit)
# Get wallpaper size so that we can do a better crop
size=($(identify -format "%w %h" $img))
# This checks to see if height is geater than width
# so we can do a better crop of portrait images.
if [ ${size[1]} -gt ${size[0]} ]; then
size=${size[0]}
else
size=${size[1]}
fi
# Crop the image and save it to the $imgtempdir
# By default we crop a square in the center of the image which is
# "image height x image height".
# We then resize it to the image size specified above.
# (default 128x128 px, uses var $height)
# This way we get a full image crop with the speed benefit
# of a tiny image.
convert \
-crop "$size"x"$size"+0+0 \
-gravity $crop_offset "$img" \
-resize "$imgsize"x"$imgsize" "$imgtempdir/$imgname"
fi
# The final image
img="$imgtempdir/$imgname"
else
img=""
fi
# }}}
# Print Info {{{
# Get cpu speed
cpuspeed
# Get packages
[ -z $packages ] && getpackages
# Get window manager
[ -z $windowmanager ] && getwindowmanager
# Padding
pad=$(printf "%${padding}s")
clear
# Underline title with length of title
underline=$(printf %"${#title}"s |tr " " "-")
# Hide the terminal cursor while we print the info
tput civis
# Print the title and underline
printf "%s\n" "$pad$bold$title_color$title$clear"
printf "%s\n" "$pad$colon_color$underline$clear"
# Custom printf function to make it easier to edit the info lines.
printinfo () {
printf "$pad$bold$subtitle_color$1$clear"
printf "$colon_color:$clear "
printf "%s\n" "$info_color$2$clear"
}
# Disable line wrap
[ $linewrap -eq 0 ] && tput rmam
printinfo "$title_os" "$os"
printinfo "$title_kernel" "$kernel"
printinfo "$title_uptime" "$uptime"
printinfo "$title_packages" "$packages"
printinfo "$title_shell" "$shell"
printinfo "$title_windowmanager" "$windowmanager"
printinfo "$title_cpu" "$cpu @ ${speed}GHz"
printinfo "$title_memory" "$memory"
printinfo "$title_song" "$song"
# Display the color blocks
printf "\n"
[ $printcols -eq 1 ] && printf "$pad$(printcols)"
# Enable line wrap again
[ $linewrap -eq 0 ] && tput smam
# If w3mimgviewer is found Display the image
if type -p /usr/lib/w3m/w3mimgdisplay >/dev/null 2>&1; then
printf "0;1;$xoffset;$yoffset;$imgsize;$imgsize;;;;;$img\n4;\n3;" |\
/usr/lib/w3m/w3mimgdisplay
fi
# Show the cursor again
tput cnorm
# Move the cursor to the bottom of the terminal
tput cup $(tput lines)
# }}}
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