Linux install script

installer/README.md

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+# Installing PyFDA
+To install PyFDA using the install script, simply make the file "install.sh" executable and execute it:
+
+```
+$> chmod +x ./install.sh
+$> ./install.sh
+```
+
+The script will install PyFDA to the directory specified by the $INSTALL_DIR variable, which defaults to $HOME/.pyfda.
+
+It will also create a .desktop file in the location specified by $DESKTOP_FILE.
+
+If you wish to change these paths, simply edit the variables in the script.
+
+# Removing PyFDA
+You can remove PyFDA by symply running the file "uninstall.sh".
+
+MAKE SURE THAT THE DIRECTORY SPECIFIED IN THE SCRIPT IS CORRECT!
+
+```
+$> chmod +x ./uninstall.sh
+$> ./uninstall.sh
+```
+
+The script will delete the directory specified by the $INSTALL_DIR variable, which defaults to $HOME/.pyfda.

installer/install.sh

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+#!/bin/bash
+INSTALL_DIR=$HOME/.pyfda
+DESKTOP_FILE=$HOME/.local/share/applications/pyfda.desktop
+
+# Check if python3 is installed
+if ! command -v python3 > /dev/null ; then
+		echo "Error: Python 3 is not in PATH!";
+		exit 1;
+fi
+
+# Create install directory, exit on fail
+if [ ! -d "$INSTALL_DIR" ]; then
+	mkdir $INSTALL_DIR || exit 1;
+fi
+
+python3 -m venv $INSTALL_DIR/venv
+source $INSTALL_DIR/venv/bin/activate
+python3 -m pip install pyfda
+deactivate
+
+# Create Desktop file
+cp ./icon.png $INSTALL_DIR
+echo "[Desktop Entry]" > $INSTALL_DIR/pyfda.desktop
+echo "Name=PyFDA" >> $INSTALL_DIR/pyfda.desktop
+echo "Comment=PyFDA Filter Design Tool" >> $INSTALL_DIR/pyfda.desktop
+echo "Exec=/bin/bash -c 'source $INSTALL_DIR/venv/bin/activate && $INSTALL_DIR/venv/bin/python $INSTALL_DIR/venv/bin/pyfdax'" >> $INSTALL_DIR/pyfda.desktop
+echo "Icon=$INSTALL_DIR/icon.png" >> $INSTALL_DIR/pyfda.desktop
+echo "Terminal=false" >> $INSTALL_DIR/pyfda.desktop
+echo "Type=Application" >> $INSTALL_DIR/pyfda.desktop
+
+ln $INSTALL_DIR/pyfda.desktop $DESKTOP_FILE

installer/uninstall.sh

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+#!/bin/bash
+INSTALL_DIR=$HOME/.pyfda
+DESKTOP_FILE=$HOME/.local/share/applications/pyfda.desktop
+
+echo "This script will uninstall pyfda and all files that belong to it."
+echo "The following files and directories will be deleted:"
+echo "$INSTALL_DIR"
+echo "$DESKTOP_FILE"
+
+echo
+read -p "Are you sure you want to do this? [y/N] " -n 1 -r
+echo
+if [[ $REPLY =~ ^[Yy]$ ]]
+then
+		rm -r $INSTALL_DIR
+		rm $DESKTOP_FILE
+else
+	echo "Aborted."
+fi