extract

#!/bin/bash

# Extract any common archive format.
# Usage: extract <file> [file2 ...]

if [ $# -eq 0 ]; then
  echo "Usage: extract <file> [file2 ...]"
  exit 1
fi

for file in "$@"; do
  if [ ! -f "$file" ]; then
    echo "Error: '$file' is not a valid file."
    continue
  fi

  echo "Extracting '$file'..."

  case "$file" in
    *.tar.bz2)  tar xjf    "$file" ;;
    *.tar.gz)   tar xzf    "$file" ;;
    *.tar.xz)   tar xJf    "$file" ;;
    *.tar.zst)  tar --zstd -xf "$file" ;;
    *.tar)      tar xf     "$file" ;;
    *.tbz2)     tar xjf    "$file" ;;
    *.tgz)      tar xzf    "$file" ;;
    *.bz2)      bunzip2    "$file" ;;
    *.gz)       gunzip     "$file" ;;
    *.xz)       unxz       "$file" ;;
    *.zst)      unzstd     "$file" ;;
    *.zip)      unzip      "$file" ;;
    *.7z)       7z x       "$file" ;;
    *.rar)      unrar x    "$file" ;;
    *.Z)        uncompress "$file" ;;
    *)
      echo "Error: Unsupported format for '$file'."
      continue
      ;;
  esac

  if [ $? -eq 0 ]; then
    echo "Done: '$file'"
  else
    echo "Failed: '$file'"
  fi
done