94 lines
2.9 KiB
Bash
Executable file
94 lines
2.9 KiB
Bash
Executable file
#!/bin/bash
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# Error handling
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set -e
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# To be implemented:
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# dependencies=("echo" "sed" "tar" "zip" "bzip2" "gzip" "gunzip" "pax" "7z" "ar" "cpio" "brotli" "lzip" "rzip" "xz" "zstd")
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#Use for loop to check if recognized file formats have been passed to first argument
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# For styling/colorizing output
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txtbld=$(tput bold)
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txtblue=${txtbld}$(tput setaf 4)
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txtred=${txtbld}$(tput setaf 1)
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txtgreen=${txtbld}$(tput setaf 2)
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txtyellow=${txtbld}$(tput setaf 3)
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txtwhite=${txtbld}$(tput setaf 7)
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# Dependency check
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function dependencycheck()
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{
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numdependencies="$#"
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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 [ $missingdependencies -gt 0 ] ; then
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echo "${txtred}Please install needed dependencies${txtwhite}"
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exit 1
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fi
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}
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# Main Dependency check
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dependencycheck echo sed
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# Intro Prompt
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echo "${txtgreen}xpress: a simple shell script for compressing common file formats"
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# Reset output style
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tput bold & tput setaf 7
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# grabs the extension string
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extension=$(echo "${1}" | sed 's/^[^\..:]*[\..*]//')
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# grabs the filename/directoryname string
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fdname=$(echo "${1}" | sed 's/\..*$//')
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# create an array and a for loop of various
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# ".txt" and ".js" and ".c" and ".py" files etc... for here
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# if the file is a .txt file...
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forbidden=".txt"
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# if grep -q ".txt" <<< "${1}" ; then
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if grep -q "${forbidden}" <<< "${1}" ; then
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# if extension has "txt." in it, remove "txt." from extension
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# this is mess, but put another if statement and another array that compares .txt to txt.
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extension=$(echo "${extension}" | sed -r 's/^txt.//g')
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# doesn't work:
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# extension=$(echo "${extension}" | sed -r "s/^$forbidden//g")
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# appends .txt to the filename if .txt exists in the original argument
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# fdname="${fdname}.txt"
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fdname="${fdname}${forbidden}"
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fi
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# Simply copy and paste, changing extension string and extraction method below
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if [[ -d $fdname ]] ; then
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if [ "${extension}" == "tar" ] ; then
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dependencycheck tar
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echo "${txtblue}compressing .tar...${txtyellow}"
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# main compression method
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tar cf "${1}" "${fdname}"
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echo ".tar compression finished!${txtwhite}"
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fi
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if [ "${extension}" == "tgz" ] ; then
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dependencycheck tar gzip
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echo "${txtblue}compressing .tgz...${txtyellow}"
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# main compression method
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tar -czf "${1}" "${fdname}"
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echo ".tgz compression finished!${txtwhite}"
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fi
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elif [[ -f $fdname ]] ; then
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if [ "${extension}" == "gz" ] ; then
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dependencycheck gzip
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echo "${txtblue}compressing .gz...${txtyellow}"
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# main compression method
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gzip --keep "${fdname}"
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echo ".gz compression finished!${txtwhite}"
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fi
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fi
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