163 lines
4.2 KiB
Bash
Executable file
163 lines
4.2 KiB
Bash
Executable file
#!/bin/bash
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# Error handling
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set -e
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# For styling/colorizing output
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txtbld=$(tput bold)
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txtblue=${txtbld}$(tput setaf 4)
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txtgreen=${txtbld}$(tput setaf 2)
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txtred=${txtbld}$(tput setaf 1)
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txtyellow=${txtbld}$(tput setaf 3)
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txtwhite=${txtbld}$(tput setaf 7)
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# Dependency check
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function dependencycheck() {
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numdependencies="$#"
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dependencies=("$@")
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missingdependencies=0
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for ((i = 0; i < numdependencies; i++)); do
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if ! command -v "${dependencies[$i]}" &>/dev/null; then
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echo "${txtred} dependency not met: ${dependencies[$i]}${txtwhite}"
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missingdependencies=$((missingdependencies + 1))
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fi
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done
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if [ $missingdependencies -gt 0 ]; then
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exit 1
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fi
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}
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# Main Dependency check
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dependencycheck echo sed
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# Intro Prompt
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echo "${txtgreen}xtract: a simple shell script for decompressing common file formats"
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# Reset output style
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tput bold &
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tput setaf 7
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# Simply copy and paste, changing extension string and extraction method below
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if [ "${1}" == "-tar" ]; then
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dependencycheck tar
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echo "${txtblue}decompressing .tar...${txtyellow}"
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# main extraction method
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tar xf "${2}"
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echo ".tar decompression finished!${txtwhite}"
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exit 0
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fi
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if [ "${1}" == "-tgz" ]; then
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dependencycheck tar gunzip
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echo "${txtblue}decompressing .tgz...${txtyellow}"
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# main extraction method
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tar zxf "${2}"
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echo ".tgz decompression finished!${txtwhite}"
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exit 0
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fi
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if [ "${1}" == "-gz" ]; then
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dependencycheck gunzip
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echo "${txtblue}decompressing .gz...${txtyellow}"
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# main extraction method
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gunzip --keep "${2}"
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echo ".gz decompression finished!${txtwhite}"
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exit 0
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fi
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if [ "${1}" == "-zip" ]; then
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dependencycheck unzip
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echo "${txtblue}decompressing .zip...${txtyellow}"
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# main extraction method
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unzip "${2}"
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echo ".zip decompression finished!${txtwhite}"
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exit 0
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fi
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if [[ "${1}" == "-bzip" || "${1}" == "-bzip2" || "${1}" == "-bz2" || "${1}" == "-bz" ]]; then
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dependencycheck bzip2
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echo "${txtblue}decompressing .bz2...${txtyellow}"
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# main extraction method
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bzip2 -kd "${2}"
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echo ".bz2 decompression finished!${txtwhite}"
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exit 0
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fi
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if [[ "${1}" == "-lzip" || "${1}" == "-lz" ]]; then
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dependencycheck lzip
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echo "${txtblue}decompressing .lz...${txtyellow}"
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# main extraction method
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lzip -d "${2}"
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echo ".lz decompression finished!${txtwhite}"
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exit 0
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fi
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if [[ "${1}" == "-rzip" || "${1}" == "-rz" ]]; then
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dependencycheck rzip
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echo "${txtblue}decompressing .rz...${txtyellow}"
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# main extraction method
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rzip -kd "${2}"
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echo ".rz decompression finished!${txtwhite}"
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exit 0
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fi
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if [ "${1}" == "-xz" ]; then
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dependencycheck xz
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echo "${txtblue}decompressing .xz...${txtyellow}"
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# main extraction method
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xz -kd "${2}"
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echo ".xz decompression finished!${txtwhite}"
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exit 0
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fi
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if [[ "${1}" == "-zstd" || "${1}" == "-zst" ]]; then
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dependencycheck zstd
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echo "${txtblue}decompressing .zst...${txtyellow}"
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# main extraction method
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zstd -kd "${2}"
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echo ".zst decompression finished!${txtwhite}"
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exit 0
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fi
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if [[ "${1}" == "-ar" || "${1}" == "-a" ]]; then
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dependencycheck ar
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echo "${txtblue}decompressing .a...${txtyellow}"
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# main extraction method
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ar -x "${2}"
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echo ".a decompression finished!${txtwhite}"
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exit 0
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fi
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if [[ "${1}" == "-brotli" || "${1}" == "-br" ]]; then
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dependencycheck brotli
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echo "${txtblue}decompressing .br...${txtyellow}"
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# main extraction method
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brotli -d "${2}"
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echo ".br decompression finished!${txtwhite}"
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exit 0
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fi
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## Taken from reddit for future refactoring of this script:
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# function extract()
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# {
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# if [ -f $1 ] ; then
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# case $1 in
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# *.tar.bz2) tar xvjf $1 ;;
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# *.tar.gz) tar xvzf $1 ;;
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# *.bz2) bunzip2 $1 ;;
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# *.rar) unrar x $1 ;;
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# *.gz) gunzip $1 ;;
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# *.tar) tar xvf $1 ;; # NOTE: all calls to tar can be combined (will read automatically)
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# *.tbz2) tar xvjf $1 ;;
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# *.tgz) tar xvzf $1 ;;
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# *.zip) unzip $1 ;;
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# *.Z) uncompress $1 ;;
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# *.7z) 7z x $1 ;;
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# *) echo "'$1' cannot be extracted via >extract<" ;;
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# esac
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# else
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# echo "'$1' is not a valid file!"
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# fi
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# }
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