wifi-ssid script added, issue iiitl#1

README.md

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+# Foss BashScripting
+
+See [scripts](./scripts) folder for more information.
+
+Whereever there is a work to do, there will be a comment present with word "TODO".
+
+## Running scripts
+
+After cd into this repository
+```bash
+export PATH="$PATH:$PWD/scripts"
+
+# All scripts are ready to execute by their name
+```
+
+## Some external resources
+
+* [Linux Basics & CLI Tutorial](https://www.freecodecamp.org/news/linux-command-line-tutorial)
+* [Learn X in Y Minutes - Bash](https://learnxinyminutes.com/docs/bash/)

scripts/color

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+#!/usr/bin/env bash
+
+# TODO (Run this script as): color magenta && echo hello && color reset
+
+color() {
+    echo -ne "\033[$1;$2m"
+}
+
+declare -A color_mapping=(
+    # TODO: Add more color values
+    # Refer bash color codes
+    ['magenta']=35
+)
+
+if [[ $1 == 'reset' ]]; then
+    color 0 00
+else
+    color 1 ${color_mapping[$1]}
+fi
+

scripts/cpu-temperature

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+#!/usr/bin/env bash
+
+grep -E 'Tctl|Tdie|Package id' /sys/class/hwmon/hwmon*/temp*_label | head -n1 | cut -d':' -f1 | sed 's/label/input/' | xargs cat
+
+# Following script outputs current cpu die temperature in milidegree-celcius, convert it to celcius and fahrenheit and display as:
+#
+# Celcius: 42.0 C
+# Fahrenheit: 107.6 F

scripts/extarrange

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+#!/usr/bin/env bash
+
+# Arranges the files by grouping them into folder of their extension name
+# TODO: Run this script in your downloads folder
+
+require() {
+    command -v "$1" 1>/dev/null || { >&2 echo "Error: $1 is not installed";exit 1; }
+}
+
+require fd
+require egrep
+
+declare -A special_cases=(
+    ['^*.(tar.*|tbz)$']='tar'
+    # TODO: Add your own pattern here for similar file types appropriately
+    # Refer https://regex101.com/ & https://github.com/ziishaned/learn-regex/ for explaination and writing patterns
+    # These (regex) are same as ones used in sed command
+)
+
+fd -tf -d1 \
+| while read file; do
+    folder="$PWD/${file##*.}"
+    for regex in "${!special_cases[@]}"; do
+        (echo "$file" | egrep -q "$regex") && {
+            folder="$PWD/${special_cases[$regex]}"
+            break
+        }
+    done
+
+    mkdir -p "$folder"
+    mv "$file" "$folder"
+done
+

scripts/gitlines

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+#!/usr/bin/env bash
+
+# TODO: Display lines of code by language in a remote git repository
+# Refer "cloc" command or similar

scripts/music-extract

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+#!/usr/bin/env bash
+
+# TODO: Make a ffmpeg script which takes all the mp4 files in a folder (recursively) and output them in the same position mp3 file
+#
+# E.g.:
+# Videos
+# ├── Clips
+# │   ├── clip1.mp4
+# │   └── clip2.mp4
+# ├── Movies
+# │   ├── movie1.mp4
+# │   └── movie2.mp4
+# └── Songs
+#     ├── Song1.mp4
+#     └── Song2.mp4
+# music-extract Videos
+#
+# The above folder will create another folder with the position of file with just there audio
+# Music
+# ├── Clips
+# │   ├── clip1.mp3
+# │   └── clip2.mp3
+# ├── Movies
+# │   ├── movie1.mp3
+# │   └── movie2.mp3
+# └── Songs
+#     ├── Song1.mp3
+#     └── Song2.mp3

scripts/password-generator

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+#!/usr/bin/env bash
+
+# Issue: Implement Password Generation Functions
+# Description:
+# Create a function that generates passwords, The password should consist of uppercase letters, lowercase letters, numbers, and special characters. The function should take in a single argument, which is the length of the password to generate. The function should return the generated password.

scripts/perms

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+#!/usr/bin/env bash
+
+# TODO: Make it print out permissions of the given files in octal format
+#
+# E.g.:
+# $ perms weather ../README.md
+# 775 weather
+# 664 ../README.md
+

scripts/rm-bins

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+#!/usr/bin/env bash
+
+# Remove all the binary files (usually made after gcc) present inside current directory
+# Refer "man find" for more information, you can also use modern tool like fd instead of find

scripts/rm-gitignore

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+#!/usr/bin/env bash
+
+# Removes all files written in .gitignore of any git repository (multiple) present inside current directory
+# To find list of all git repos inside current directory you can use: "find . -name .git -type d -prune"

scripts/weather

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+#!/usr/bin/env bash
+
+# TODO: Display weather of IIIT, Lucknow
+# For more information see: https://wttr.in/:help

scripts/wifi-ssid

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+#!/usr/bin/env bash
+
+# Extract the wifi username (SSID)
+# Refer: "iw dev wlan0 link" command output for this
+
+ssid=$(iwgetid -r)
+
+if [ -z "$ssid" ]; then
+    echo "Not connected to any Wi-Fi network."
+else
+    echo "Connected Wi-Fi network SSID: $ssid"
+fi

scripts/youtube-time

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+#!/usr/bin/env bash
+
+# TODO: Make a script to download youtube video from given timeframes
+#
+# E.g.: youtube-time 2:00 4:00 tutorial.mkv "https://www.youtube.com/watch?v=SPwyp2NG-bE"
+# The above command should create a output file which contains the video from 2 min to 4 min.
+#
+# Refer: youtube-dl and ffmpeg commands for this