#!/bin/sh

# unzips the contents of every present zip archive into directories of the same name
# the % is used to remove the file extension (.zip).
# % matches the shortest occurence from the end.
# %% would remove all extensions (.tar.gz would be matched by %%)
# # and ## are the corresponding operators for matching at the beginning

for file in ./*.zip; do
  dir_name=${file%.*}
  mkdir -p "$dir_name"
  unzip -d "$dir_name" "$file"
done