Automator Zip Compress / Uncompress with pattern filename

keka extract to folder.ext.sh

for f
do
 echo "$f"
 dest="${f}.ext"
 cmd="/Applications/Keka.app/Contents/Resources/keka7z -y -o\"${dest}\" x \"${f}\""
 echo $cmd
 eval $cmd
done

Zip with yyyymmdd_FirstFile.sh

tabargs=( "$@" )

firstFile="$1"
directory=$(dirname "$1")
cd "$directory"
zipFileName=`basename "$firstFile"`
DATE=`date '+%Y%m%d_%H%M%S'`
zipFileName=${DATE}_${zipFileName}.zip
echo $zipFileName
echo $directory


what=""

function relpath() { 
  python -c "import os,sys;print(os.path.relpath(*(sys.argv[1:])))" "$@";
}


for word in "${tabargs[@]}"; do what="${what} \"$(relpath  "${word}")\""; done


action="zip \"${zipFileName}\" \
     $what \
     -x */.DS_Store \
     -x */.git \
     -x */.svn \
     -x */.idea \
     -X */__MACOSX"

echo $action
eval $action

Can be easily use with Automator with shell /bin/bash

Keka extract to folder.ext.sh

Keka Uncompress multiple compressed files to a sub directory with zipFilename.ext name under zipfilename directory.
Need Keka 1.1

Compress Selected file

to a zip file with name yyyymmdd_FirstFile.zip pattern.

e.g.:

aa.txt
bb.txt

will produce a 20171226_aa.zip with aa.txt and bb.txt