135 lines
3.2 KiB
Bash
135 lines
3.2 KiB
Bash
# This file is meant to be sourced by another script,
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# it contains only BASH functions and global variables.
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## ## ## ## ## ## ## ## ## ## ## ## ## ## ##
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## ##
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## lib.sh ##
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## ##
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## Library for my personal BASH scripts ##
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## ##
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## ## ## ## ## ## ## ## ## ## ## ## ## ## ##
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##
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## Information
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##
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LIB_NAME="lib.sh"
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LIB_DESCRIPTION="Library for my personal BASH scripts"
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LIB_VERSION="0.1.0"
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LIB_AUTHOR="david@socialnerds.org"
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LIB_LICENSE="MIT"
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LIB_WEBSITE="https://git.socialnerds.org/david/scripts"
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##
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## Variables
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##
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# Reset text formatting
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LIB_CLEAR="\e[0m"
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# Text settings
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LIB_BOLD="\e[1m"
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LIB_UNDERLINE="\e[4m"
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# Text color
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LIB_RED="\e[31m"
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LIB_GREEN="\e[32m"
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LIB_YELLOW="\e[33m"
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LIB_BLUE="\e[34m"
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LIB_MAGENTA="\e[35m"
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LIB_CYAN="\e[36m"
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LIB_LIGHTGREY="\e[37m"
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# Text color with bold font
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LIB_RED_BOLD="\e[1;31m"
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LIB_GREEN_BOLD="\e[1;32m"
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LIB_YELLOW_BOLD="\e[1;33m"
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LIB_BLUE_BOLD="\e[1;34m"
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LIB_MAGENTA_BOLD="\e[1;35m"
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LIB_CYAN_BOLD="\e[1;36m"
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LIB_LIGHTGREY_BOLD="\e[1;37m"
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# Background color
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LIB_RED_BG="\e[41m"
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LIB_GREEN_BG="\e[42m"
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LIB_YELLOW_BG="\e[43m"
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LIB_BLUE_BG="\e[44m"
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LIB_MAGENTA_BG="\e[45m"
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LIB_CYAN_BG="\e[46m"
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LIB_LIGHTGREY_BG="\e[47m"
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# Background color with bold font
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LIB_RED_BG_BOLD="\e[1;41m"
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LIB_GREEN_BG_BOLD="\e[1;42m"
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LIB_YELLOW_BG_BOLD="\e[1;43m"
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LIB_BLUE_BG_BOLD="\e[1;44m"
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LIB_MAGENTA_BG_BOLD="\e[1;45m"
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LIB_CYAN_BG_BOLD="\e[1;46m"
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LIB_LIGHTGREY_BG_BOLD="\e[1;47m"
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##
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## Functions
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##
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# Print text message
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function lib_print() {
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local LIB_Q=${Q:-0}
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local LIB_V=${V:-0}
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if [[ "$1" =~ ^\! ]]; then
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printf "$LIB_RED_BG_BOLD%b$LIB_CLEAR\n" "${1#\!}"
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elif [[ "$1" =~ ^\? ]]; then
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if [ $LIB_V -eq 1 ] && [ $LIB_Q -ne 1 ]; then
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printf "$LIB_LIGHTGREY%b$LIB_CLEAR\n" "${1#\?}"
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fi
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elif [[ $LIB_Q -ne 1 ]]; then
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printf "%b\n" "$1"
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fi
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}
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# Print script information
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# including the last 5 changelog entries
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function lib_print_info() {
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printf "%12s %b\n%12s %s\n%12s %s\n%12s %s\n%12s %s\n%12s %s\n\n%12s %s\n" \
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"Name:" "$LIB_BOLD$NAME$LIB_CLEAR" "Version:" "$VERSION" \
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"Author:" "$AUTHOR" "License:" "$LICENSE" "Web:" "$WEBSITE" \
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"Description:" "$DESCRIPTION" "Changelog:" "${CHANGELOG[0]}"
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for i in "${CHANGELOG[@]:1:4}"; do
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printf "%12s %s\n" "" "$i"
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done
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}
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# Print version information
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function lib_print_version() {
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printf "%s\n" "$VERSION"
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}
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# Check for privileges
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# Returns 0 if the current user is root and 1 if not
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function lib_amiroot() {
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if [[ $(whoami) != "root" ]]; then
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return 1
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fi
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}
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# Check for command availability
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# Takes one or a list of space seperated commands. Returns a list of missing commands.
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function lib_missing_commands() {
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local MISSING_COMMANDS=""
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for COMMAND in $@; do
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if ! $(command -v $COMMAND &>/dev/null); then
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MISSING_COMMANDS="$MISSING_COMMANDS $COMMAND"
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fi
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done
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echo "${MISSING_COMMANDS# }"
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}
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# Generate a random alphanumeric string
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# Optional: Supply length as intager. Default is 16.
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function lib_gen_string() {
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LC_ALL=C tr -dc 'a-zA-Z0-9' < /dev/urandom | head -c ${1:-16}; echo
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}
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