notes/scripts/xpress
2022-09-04 03:31:21 -07:00

60 lines
1.7 KiB
Bash
Executable file

#!/bin/bash
# Error handling
set -e
# To be implemented:
# dependencies=("echo" "sed" "tar" "zip" "bzip2" "gzip" "gunzip" "pax" "7z" "ar" "cpio" "brotli" "lzip" "rzip" "xz" "zstd")
#Use for loop to check if recognized file formats have been passed to first argument
# For styling/colorizing output
txtbld=$(tput bold)
txtblue=${txtbld}$(tput setaf 4)
txtred=${txtbld}$(tput setaf 1)
txtgreen=${txtbld}$(tput setaf 2)
txtyellow=${txtbld}$(tput setaf 3)
txtwhite=${txtbld}$(tput setaf 7)
# Dependency check
function dependencycheck()
{
numdependencies="$#"
dependencies=("$@")
missingdependencies=0
for ((i = 0; i < numdependencies; i++)) ; do
if ! command -v "${dependencies[$i]}" &> /dev/null ; then
echo "${txtred}dependency not met: ${dependencies[$i]}${txtwhite}"
missingdependencies=$((missingdependencies+1))
fi
done
if [ $missingdependencies -gt 0 ] ; then
echo "${txtred}Please install needed dependencies${txtwhite}"
exit 1
fi
}
# Main Dependency check
dependencycheck echo sed
# Intro Prompt
echo "${txtgreen}xpress: a simple shell script for compressing common file formats"
# Reset output style
tput bold & tput setaf 7
# grabs the extension string
extension=$(echo "${1}" | sed 's/^[^\..:]*[\..]//')
# grabs the filename/directoryname string
fdname=$(echo "${1}" | sed 's/\..*$//')
# Simply copy and paste, changing extension string and extraction method below
if [ "${extension}" == "tgz" ] ; then
dependencycheck tar gzip
echo "${txtblue}compressing .tgz...${txtyellow}"
# main extraction method
tar -cvzf "${1}" "${fdname}" &> /dev/null
echo ".tgz compression finished!${txtwhite}"
fi