initial commit

grep/generate_compressed_files

@@ -0,0 +1,93 @@
+#!/usr/bin/env bash
+
+# Usage:       ./generate_compressed_files
+#                or
+#              bash generate_compressed_files
+# Description: (see scriptname!)
+# Author:      Patrick Neumann (patrick@neumannsland.de)
+# Version:     1.0
+# Date:        13.02.2019
+# License:     GPL3
+# Warranty:    This program is distributed WITHOUT ANY WARRANTY
+# Todo:        -
+
+# Notwendige Pakete
+DEBS="gzip"
+DEBS="${DEBS} bzip2"
+DEBS="${DEBS} xz-utils"
+DEBS="${DEBS} lzop"
+DEBS="${DEBS} zip"
+DEBS="${DEBS} unzip"
+DEBS="${DEBS} rar"
+DEBS="${DEBS} unrar"
+DEBS="${DEBS} p7zip-full"
+
+echo "Checking dependencies..."
+for deb in ${DEBS} ; do
+  if ! dpkg -s "${deb}" 2>&1 >/dev/null ; then
+    sudo apt install "${deb}" --assume-yes
+  fi
+done
+
+# Zielverzeichnis
+DIRECTORY="compressed_files"
+FILE="file.txt"
+
+echo "Creating target directory..."
+mkdir "${DIRECTORY}"
+cd "${DIRECTORY}"
+
+# Testdatei
+echo "Generating text file..."
+cat <<EOF > "${FILE}"
+Eins
+eins zwei
+zWei
+zwei drei
+drEi
+drei vier
+vieR
+vier eins
+EOF
+
+# .txt -> .txt.gz
+echo "Generating .gz file..."
+gzip --keep "${FILE}"
+
+# Datei mit falscher Dateinamenserweiterung
+echo "Generating file with wrong extension..."
+cp "${FILE}".gz wrong_extension.txt.bz2
+
+# .txt -> .txt.bz2
+echo "Generating .bz2 file..."
+bzip2 --keep "${FILE}"
+
+# .txt -> .txt.xz
+echo "Generating .xz file..."
+xz --keep "${FILE}"
+# .txt -> .txt.lzma
+echo "Generating .lzma file..."
+xz --keep --format=lzma "${FILE}"
+
+# .txt -> .txt.lzop
+echo "Generating .lzop file..."
+lzop --keep "${FILE}"
+
+# .txt -> .txt.zip
+echo "Generating .zip file..."
+zip --quiet "${FILE}".zip "${FILE}"
+
+# .txt -> .txt.rar
+echo "Generating .rar file..."
+rar a -inul "${FILE}".rar "${FILE}"
+
+# .txt -> .txt.7z
+echo "Generating .7z file..."
+7z a "${FILE}".7z "${FILE}" >/dev/null
+# .txt -> .txt.lzma2
+echo "Generating .lzma2 file..."
+7z a -m0=lzma2 "${FILE}".lzma2 "${FILE}" >/dev/null
+
+echo "Done."
+
+exit 0