├── .github
    └── workflows
    │   └── reviewdog.yml
├── LICENSE
├── Makefile
├── README.md
├── assets
    ├── example-pic.png
    └── ramfetch-christmas.png
├── ramfetch
└── ramfetch4christmas


/.github/workflows/reviewdog.yml:
--------------------------------------------------------------------------------
 1 | name: reviewdog
 2 | on: [pull_request]
 3 | jobs:
 4 |   reviewdog_and_shellcheck:
 5 |     name: shellcheck / misspell
 6 |     runs-on: ubuntu-latest
 7 |     steps:
 8 |       - name: Checkout
 9 |         uses: actions/checkout@v1
10 |       - name: Misspell
11 |         uses: reviewdog/action-misspell@v1
12 |       - uses: actions/checkout@v1
13 |       - name: Shellcheck
14 |         uses: reviewdog/action-shellcheck@v1
15 |         with:
16 |           github_token: ${{ secrets.github_token }}
17 |           reporter: github-pr-review
18 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2022 gentoo-btw
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


--------------------------------------------------------------------------------
/Makefile:
--------------------------------------------------------------------------------
 1 | PREFIX ?= /usr
 2 | 
 3 | install:
 4 | 	@printf "=> ramfetch version v1.0.1, and merry christmas :) \n"
 5 | 	@test -f /bin/bash && printf "\e[0;32m=>\e[0;m Found bash at /bin/bash.\n"
 6 | 	@test -f ./ramfetch4christmas && printf "\e[0;32m=>\e[0;m Found ramfetch file at ./ramfetch4christmas \n"
 7 | 	@test -f /bin/bash || printf "\e[0;31m=>\e[0;m Bash not found. Aborting..\n" || exit 1
 8 | 	@test -f ./ramfetch4christmas || printf "\e[0;31m=>\e[0;m ramfetch4chirstmas file not found, Aborting..\n" || exit 1
 9 | 	@printf "\e[0;34m=>\e[0;m install -Dm755 ramfetch4christmas /usr/local/bin/ramfetch\n"
10 | 	@install -Dm755 ramfetch4christmas /usr/local/bin/ramfetch
11 | 	@printf "\e[0;32m=>\e[0;m Thanks for installing ramfetch.\n"
12 | 
13 | uninstall:
14 | 	@printf "=> ramfetch version v1.0.1, and merry christmas :) \n"
15 | 	@printf "\e[0;34m=>\e[0;m rm -f /usr/local/bin/ramfetch\n"
16 | 	@rm -f /usr/local/bin/ramfetch
17 | 	@printf "\e[0;32m=>\e[0;m Thanks for using ramfetch.\n"
18 | 
19 | reinstall:
20 | 	@printf "=> ramfetch version v1.01, and merry christmas :) \n"
21 | 	@test -f /bin/bash && printf "\e[0;32m=>\e[0;m Found bash at /bin/bash.\n"
22 | 	@test -f ./ramfetch4christmas && printf "\e[0;32m=>\e[0;m Found ramfetch file at ./ramfetch4christmas\n"
23 | 	@test -f /bin/bash || printf "\e[0;31m=>\e[0;m Bash not found. Aborting..\n" || exit 1
24 | 	@test -f ./ramfetch4christmas || printf "\e[0;31m=>\e[0;m ramfetch4chirstmas file not found. Aborting..\n" || exit 1
25 | 	@printf "\e[0;34m=>\e[0;m rm -f /usr/local/bin/ramfetch\n"
26 | 	@rm -f /usr/local/bin/ramfetch
27 | 	@printf "\e[0;34m=>\e[0;m install -Dm755 ramfetch /usr/local/bin/ramfetch\n"
28 | 	@install -Dm755 ramfetch4christmas /usr/local/bin/ramfetch
29 | 	@printf "\e[0;32m=>\e[0;m Thanks for installing ramfetch.\n"
30 | 
31 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | <div align="center">
 2 |   <div>
 3 |     <h1>ramfetch</h1>
 4 |     <p>A fetch which displays memory info using /proc/meminfo.</p>
 5 |     <img src="https://img.shields.io/github/license/gentoo-btw/ramfetch?style=flat-square&logo=license">
 6 |     <img src="https://shields.io/badge/made-with%20%20bash-green?logo=gnu-bash&style=flat-square&color=d5c4a1&labelColor=1d2021">
 7 |     <img src="https://img.shields.io/github/forks/gentoo-btw/ramfetch?style=flat-square">
 8 |     <img src="https://img.shields.io/github/stars/gentoo-btw/ramfetch?style=flat-square">
 9 |     <img src="https://img.shields.io/aur/version/ramfetch-git?color=1793d1&logo=arch-linux&style=flat-square">
10 |   </div>
11 |   <div>
12 | <br>
13 | <img width="450" src="https://user-images.githubusercontent.com/119129086/209479728-46b441c3-366e-4733-b63d-fb0e09479151.png">
14 | </div>
15 | </div>
16 | <br>
17 | 
18 | ramfetch is a fetch which displays memory info using /proc/meminfo. if you want to install ramfetch follow the steps below. it's really simple. you can also test ramfetch without installing it.
19 | 
20 | ramfetch works on:
21 | 
22 | &check; Linux
23 | 
24 | &check; Android, using termux (no root)
25 | 
26 | 
27 | <b>NOTE: You cannot install ramfetch on android. You need to add ramfetch to your PATH.</b>
28 | 
29 | ## Requirements
30 | 
31 | `bash` for ramfetch to work.
32 | 
33 | `make` to install ramfetch. (optional)
34 | 
35 | ## Install
36 | 
37 | ### AUR
38 | To install ramfetch from the AUR. install it by using your favorite AUR helper. (e.g yay) thanks to [jahway603](https://github.com/jahway603)
39 | ```bash
40 | $ yay -S ramfetch-git
41 | ```
42 | <b>NOTE: The AUR version installs the stock version of ramfetch. not the christmas one. while the github method does.</b>
43 | 
44 | ### Github
45 | Clone this repo.
46 | ```bash
47 | $ git clone https://github.com/gentoo-btw/ramfetch
48 | ```
49 | Install ramfetch using `make install`.
50 | ```bash
51 | # make install
52 | ```
53 | 
54 | 
55 | ### Manual install
56 | Install ramfetch using `install`
57 | ```bash
58 | # install -Dm755 ramfetch /usr/local/bin/ramfetch
59 | ```
60 | ## Reinstall
61 | Reinstall ramfetch using `make`.
62 | ```bash
63 | # make reinstall
64 | ```
65 | 
66 | ### Manual Reinstall
67 | Remove ramfetch and install ramfetch using `install` and then execute it.
68 | ```bash
69 | # rm -f /usr/local/bin/ramfetch
70 | # install -Dm755 ramfetch /usr/local/bin/ramfetch
71 | $ ramfetch
72 | ```
73 | 
74 | ## Uninstall
75 | Uninstall ramfetch using `make`.
76 | ```bash
77 | # make uninstall
78 | ```
79 | ### Manual Uninstall
80 | Uninstall ramfetch by removing the ramfetch file.
81 | ```bash
82 | # rm -f /usr/local/bin/ramfetch
83 | ```
84 | 


--------------------------------------------------------------------------------
/assets/example-pic.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/WhoseTheNerd/ramfetch/d2a777090cfe7461a10bafecdc4d36898fa1ed2a/assets/example-pic.png


--------------------------------------------------------------------------------
/assets/ramfetch-christmas.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/WhoseTheNerd/ramfetch/d2a777090cfe7461a10bafecdc4d36898fa1ed2a/assets/ramfetch-christmas.png


--------------------------------------------------------------------------------
/ramfetch:
--------------------------------------------------------------------------------
  1 | #!/usr/bin/env bash
  2 | # MIT License
  3 | #
  4 | # Copyright (c) 2022 gentoo-btw
  5 | #
  6 | # Permission is hereby granted, free of charge, to any person obtaining a copy
  7 | # of this software and associated documentation files (the "Software"), to deal
  8 | # in the Software without restriction, including without limitation the rights
  9 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 10 | # copies of the Software, and to permit persons to whom the Software is
 11 | # furnished to do so, subject to the following conditions:
 12 | 
 13 | # The above copyright notice and this permission notice shall be included in all
 14 | # copies or substantial portions of the Software.
 15 | #
 16 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 17 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 18 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 19 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 20 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 21 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 22 | # SOFTWARE.
 23 | 
 24 | 
 25 | # colors for tty sessions
 26 | if [[ "$TERM" = "linux" ]]; then
 27 | BLK='\e[0;30m'
 28 | RED='\e[0;31m'
 29 | GRN='\e[1;32m'
 30 | YEL='\e[1;33m'
 31 | BLU='\e[0;34m'
 32 | PURP='\e[0;35m'
 33 | CYN='\e[0;36m'
 34 | WHT='\e[0;37m'
 35 | else
 36 | # colors for gui
 37 | BLK='\e[0;30m'
 38 | RED='\e[0;31m'
 39 | GRN='\e[2;32m'
 40 | YEL='\e[0;33m'
 41 | BLU='\e[0;34m'
 42 | PURP='\e[0;35m'
 43 | CYN='\e[0;36m'
 44 | WHT='\e[0;37m'
 45 | fi
 46 | 
 47 | # blue arrow
 48 | BLUE_ARROW="$(printf ${BLU}"->"${WHT})"
 49 | # sets version
 50 | RAMFETCH_VER="v1.0.1"
 51 | 
 52 | # help and version
 53 | [[ $@ =~ --help|-h ]] && {
 54 | cat <<EOF
 55 | $BLUE_ARROW ramfetch version $RAMFETCH_VER
 56 | 
 57 | Usage:
 58 |     --help (or -h for short) -- shows this help
 59 |     --version (or -v for short) -- shows version
 60 | 
 61 | EOF
 62 | exit 0
 63 | }
 64 | [[ $@ =~ --version|-v ]] && {
 65 | cat <<EOF
 66 | $BLUE_ARROW ramfetch version $RAMFETCH_VER. made by gentoo-btw
 67 | https://github.com/gentoo-btw/ramfetch
 68 | 
 69 | EOF
 70 | exit 0
 71 | }
 72 | # Sed input. Basically use regex to get the number + kB part and replace it itself to ensure the capture group is printed
 73 | # 's/[^0-9]*\([0-9]* kB\)/\1/'
 74 | # 's' - subsitution
 75 | # '/' - regex start
 76 | # '[^0-9]*' - match all except 0-9 zero or more times
 77 | # '\' - escape parenthesis
 78 | # '(' - capture group, everything inside will be saved as result of it
 79 | # '[0-9]*' match 0-9 zero or more times exluding unit (' kB') [unit is always kB]
 80 | # '\' - escape parenthesis
 81 | # ')' - capture group close
 82 | # ' kB' -
 83 | # '/' subsitution end, replace start
 84 | # '\1' - everything from capture group
 85 | # '/' - end replace
 86 | 
 87 | # Fetches memory information from /proc/meminfo
 88 | # Desired feild captured with case, sed extracts value
 89 | # numfmt converts kB to more readable format
 90 | 
 91 | while read -r REPLY; do
 92 |     case "${REPLY}" in
 93 |         (MemTotal:*)        memtotal=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
 94 |         (MemFree:*)         memfree=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
 95 |         (MemAvailable:*)    memavailable=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
 96 |         (HugePages_Free:*)  hugepg_free=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\)/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;                                            
 97 |         (HugePages_Total:*) hugepg_total=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\)/\1/' | numfmt --to=iec-i --from-unit=1024  --suffix=B --format="%9.2f" --invalid='ignore') ;; 
 98 |         (Buffers:*)         buffers=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024  --suffix=B --format="%9.2f" --invalid='ignore') ;;
 99 |         (Cached:*)          cached=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
100 |         (SwapTotal:*)       swaptotal=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
101 |         (SwapFree:*)        swapfree=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024  --suffix=B --format="%9.2f" --invalid='ignore') ;;
102 |         (Zswap:*)           zswap=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024  --suffix=B --format="%9.2f" --invalid='ignore') ;;
103 |         (Zswapped:*)        zswapped=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
104 |         (SwapCached:*)      swapcached=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
105 |         (Dirty:*)           dirty=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
106 |         (KernelStack:*)     kernel_stack=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024  --suffix=B --format="%9.2f" --invalid='ignore') ;;
107 |         (Percpu:*)          per_cpu=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
108 |     esac
109 | done < /proc/meminfo
110 | 
111 | # colorblocks/hostname, and the green arrow
112 | GRN_ARROW="$(printf ${GRN}"->"${WHT})"
113 | HOSTNAME="$(hostname)"
114 | host_user_len=$(echo ${#HOSTNAME} + ${#USER} + 1 | bc)
115 | host_user="$(printf "%b%s%b%c%b%s%b" "${GRN}" "$USER" "${WHT}" "@" "${YEL}" "$HOSTNAME" "${WHT}")"
116 | colorblocks="$(printf "%b%s%b%s%b%s%b%s%b%s%b%s%b%s%b%s%b" "${BLK}" "███" "${RED}" "███" "${GRN}" "███" "${BLU}" "███" "${YEL}" "███" "${PURP}" "███" "${CYN}" "███" "${WHT}" "███" "${WHT}")"
117 | # for ascii logo
118 | yellowpart="$(printf "%b" "${YEL}")"
119 | greenpart="$(printf "%b" "${GRN}")"
120 | end="$(printf "%b" "${WHT}")"
121 | # output
122 | cat <<EOF
123 | 
124 | $greenpart   ████████████████████████████     $host_user
125 | $greenpart ████████████████████████████████$end   $(printf '%0.s-' $(seq 1 $host_user_len))
126 | $greenpart ████      ████      ███      ███$end   RAM Total $GRN_ARROW $(printf "\t") ${memtotal:-null}
127 | $greenpart ████      ████      ███      ███$end   RAM Free $GRN_ARROW $(printf "\t") ${memfree:-null}
128 | $greenpart ████      ████      ███      ███$end   RAM Available $GRN_ARROW $(printf "\t") ${memavailable:-null}
129 | $greenpart ████      ████      ███      ███$end   Buffers $GRN_ARROW $(printf "\t\t") ${buffers:-null}
130 | $greenpart ████████████████████████████████$end   Cached $GRN_ARROW $(printf "\t\t") ${cached:-null}
131 | $greenpart ███   ████   █████   █████   ███$end   Swap Total $GRN_ARROW  $(printf "\t") ${swaptotal:-null}
132 | $yellowpart ███   ████   █████   █████   ███$end   Swap Free $GRN_ARROW  $(printf "\t") ${swapfree:-null}
133 |                                     Zswap $GRN_ARROW $(printf "\t\t") ${zswap:-null}
134 |                                     Zswapped $GRN_ARROW $(printf "\t") ${zswapped:-null}
135 |                                     Swap Cached $GRN_ARROW $(printf "\t") ${swapcached:-null}
136 |                                     Dirty $GRN_ARROW $(printf "\t\t") ${dirty:-null}
137 |                                     Kernel Stack $GRN_ARROW $(printf "\t") ${kernel_stack:-null}
138 |                                     Per CPU $GRN_ARROW $(printf "\t\t") ${per_cpu:-null}
139 |                                     HugePages Free $GRN_ARROW $(printf "\t") ${hugepg_free:-null}
140 |                                     HugePages Total $GRN_ARROW $(printf "\t") ${hugepg_total:-null}
141 |                                     
142 |                                     $colorblocks
143 | 
144 | EOF
145 | 


--------------------------------------------------------------------------------
/ramfetch4christmas:
--------------------------------------------------------------------------------
  1 | #!/usr/bin/env bash
  2 | # MIT License
  3 | #
  4 | # Copyright (c) 2022 gentoo-btw
  5 | #
  6 | # Permission is hereby granted, free of charge, to any person obtaining a copy
  7 | # of this software and associated documentation files (the "Software"), to deal
  8 | # in the Software without restriction, including without limitation the rights
  9 | # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 10 | # copies of the Software, and to permit persons to whom the Software is
 11 | # furnished to do so, subject to the following conditions:
 12 | 
 13 | # The above copyright notice and this permission notice shall be included in all
 14 | # copies or substantial portions of the Software.
 15 | #
 16 | # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 17 | # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 18 | # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 19 | # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 20 | # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 21 | # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 22 | # SOFTWARE.
 23 | 
 24 | 
 25 | # colors for tty sessions
 26 | if [[ "$TERM" = "linux" ]]; then
 27 | BLK='\e[0;30m'
 28 | RED='\e[0;31m'
 29 | GRN='\e[1;32m'
 30 | YEL='\e[1;33m'
 31 | BLU='\e[0;34m'
 32 | PURP='\e[0;35m'
 33 | CYN='\e[0;36m'
 34 | WHT='\e[0;37m'
 35 | else
 36 | # colors for gui
 37 | BLK='\e[0;30m'
 38 | RED='\e[0;31m'
 39 | GRN='\e[2;32m'
 40 | YEL='\e[0;33m'
 41 | BLU='\e[0;34m'
 42 | PURP='\e[0;35m'
 43 | CYN='\e[0;36m'
 44 | WHT='\e[0;37m'
 45 | fi
 46 | 
 47 | # blue arrow
 48 | BLUE_ARROW="$(printf ${BLU}"->"${WHT})"
 49 | # sets version
 50 | RAMFETCH_VER="v1.0.1"
 51 | 
 52 | # help and version
 53 | [[ $@ =~ --help|-h ]] && {
 54 | cat <<EOF
 55 | $BLUE_ARROW ramfetch version $RAMFETCH_VER
 56 | 
 57 | Usage:
 58 |     --help (or -h for short) -- shows this help
 59 |     --version (or -v for short) -- shows version
 60 | 
 61 | EOF
 62 | exit 0
 63 | }
 64 | [[ $@ =~ --version|-v ]] && {
 65 | cat <<EOF
 66 | $BLUE_ARROW ramfetch version $RAMFETCH_VER. made by gentoo-btw
 67 | https://github.com/gentoo-btw/ramfetch
 68 | 
 69 | EOF
 70 | exit 0
 71 | }
 72 | # Sed input. Basically use regex to get the number + kB part and replace it itself to ensure the capture group is printed
 73 | # 's/[^0-9]*\([0-9]* kB\)/\1/'
 74 | # 's' - subsitution
 75 | # '/' - regex start
 76 | # '[^0-9]*' - match all except 0-9 zero or more times
 77 | # '\' - escape parenthesis
 78 | # '(' - capture group, everything inside will be saved as result of it
 79 | # '[0-9]*' match 0-9 zero or more times exluding unit (' kB') [unit is always kB]
 80 | # '\' - escape parenthesis
 81 | # ')' - capture group close
 82 | # ' kB' -
 83 | # '/' subsitution end, replace start
 84 | # '\1' - everything from capture group
 85 | # '/' - end replace
 86 | 
 87 | # Fetches memory information from /proc/meminfo
 88 | # Desired feild captured with case, sed extracts value
 89 | # numfmt converts kB to more readable format
 90 | 
 91 | while read -r REPLY; do
 92 |     case "${REPLY}" in
 93 |         (MemTotal:*)        memtotal=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
 94 |         (MemFree:*)         memfree=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
 95 |         (MemAvailable:*)    memavailable=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
 96 |         (HugePages_Free:*)  hugepg_free=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\)/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;                                            
 97 |         (HugePages_Total:*) hugepg_total=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\)/\1/' | numfmt --to=iec-i --from-unit=1024  --suffix=B --format="%9.2f" --invalid='ignore') ;; 
 98 |         (Buffers:*)         buffers=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024  --suffix=B --format="%9.2f" --invalid='ignore') ;;
 99 |         (Cached:*)          cached=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
100 |         (SwapTotal:*)       swaptotal=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
101 |         (SwapFree:*)        swapfree=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024  --suffix=B --format="%9.2f" --invalid='ignore') ;;
102 |         (Zswap:*)           zswap=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024  --suffix=B --format="%9.2f" --invalid='ignore') ;;
103 |         (Zswapped:*)        zswapped=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
104 |         (SwapCached:*)      swapcached=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
105 |         (Dirty:*)           dirty=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
106 |         (KernelStack:*)     kernel_stack=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024  --suffix=B --format="%9.2f" --invalid='ignore') ;;
107 |         (Percpu:*)          per_cpu=$(echo "$REPLY" | sed 's/[^0-9]*\([0-9]*\) kB/\1/' | numfmt --to=iec-i --from-unit=1024 --suffix=B --format="%9.2f" --invalid='ignore') ;;
108 |     esac
109 | done < /proc/meminfo
110 | 
111 | # colorblocks/hostname, and the green arrow
112 | GRN_ARROW="$(printf ${GRN}"->"${WHT})"
113 | HOSTNAME="$(hostname)"
114 | host_user_len=$(echo ${#HOSTNAME} + ${#USER} + 1 | bc)
115 | host_user="$(printf "%b%s%b%c%b%s%b" "${RED}" "$USER" "${WHT}" "@" "${GRN}" "$HOSTNAME" "${WHT}")"
116 | colorblocks="$(printf "%b%s%b%s%b%s%b%s%b%s%b%s%b%s%b%s%b" "${BLK}" "███" "${RED}" "███" "${GRN}" "███" "${BLU}" "███" "${YEL}" "███" "${PURP}" "███" "${CYN}" "███" "${WHT}" "███" "${WHT}")"
117 | # for ascii logo
118 | yellowpart="$(printf "%b" "${YEL}")"
119 | greenpart="$(printf "%b" "${GRN}")"
120 | end="$(printf "%b" "${WHT}")"
121 | # output
122 | cat <<EOF
123 | 
124 | 
125 | $greenpart          *$end           $host_user
126 | $greenpart         ***$end          $(printf '%0.s-' $(seq 1 $host_user_len))
127 | $greenpart        **o**$end         RAM Total $GRN_ARROW $(printf "\t") ${memtotal:-null}
128 | $greenpart       *******$end        RAM Free $GRN_ARROW $(printf "\t") ${memfree:-null}
129 | $greenpart      *****o***$end       RAM Available $GRN_ARROW $(printf "\t") ${memavailable:-null}
130 | $greenpart    *************$end     Buffers $GRN_ARROW $(printf "\t") ${buffers:-null}
131 | $greenpart   ***************$end    Cached $GRN_ARROW $(printf "\t") ${cached:-null}
132 | $greenpart  ***o*************$end   Swap Total $GRN_ARROW $(printf "\t") ${swaptotal:-null}
133 | $greenpart ************o******$end  Swap Free $GRN_ARROW $(printf "\t") ${swapfree:-null}
134 | $greenpart*****************o***$end Zswap $GRN_ARROW $(printf "\t\t") ${zswap:-null}
135 | $yellowpart         MmM$end          Zswapped $GRN_ARROW $(printf "\t") ${zswapped:-null}
136 |                       Swap Cached $GRN_ARROW $(printf "\t") ${swapcached:-null}
137 |                       Dirty $GRN_ARROW $(printf "\t\t") ${dirty:-null}
138 |                       Kernel Stack $GRN_ARROW $(printf "\t") ${kernel_stack:-null}
139 |                       Per CPU $GRN_ARROW $(printf "\t") ${per_cpu:-null}
140 |                       HugePages Free $GRN_ARROW $(printf "") ${hugepg_free:-null}
141 |                       HugePages Total $GRN_ARROW $(printf "") ${hugepg_total:-null}
142 | 
143 |                       $colorblocks
144 | 
145 | EOF
146 | 


--------------------------------------------------------------------------------