Tidying up

unix/get_zx

@@ -0,0 +1,18 @@
+#! /bin/bash
+
+# A convenience script that will download the ZX installer, unpack it, and clean up.
+# For maximum portability this script uses the gzipped package version.
+
+version=0.9.1
+zx="zx-$version"
+tarball="$zx.tar.gz"
+
+wget -nv "https://zxq9.com/projects/zomp/$tarball"
+tar -zxf "$tarball"
+cd "$zx"
+chmod +x install
+./install
+cd ..
+rm -rf "$zx"
+rm "$tarball"
+rm -- "$0"

unix/install

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+#! /bin/bash
+
+zomp_dir="$HOME"/zomp
+bin="$HOME"/bin
+
+cd "$(dirname $(realpath $0))"
+chmod +x uninstall
+
+if erl=$(command -v erl)
+  then
+    echo "Erlang found at $erl"
+  else
+    echo "Could not find an Erlang installation!"
+    echo "Erlang must be installed and available in \$PATH to proceed."
+    exit 95
+fi
+
+if [ -d "$zomp_dir" ]
+  then
+    echo "Installation directory $zomp_dir already exists. Aborting."
+    exit 17
+fi
+
+if [ ! -d "$bin" ]
+  then
+    echo "$bin does not exist. Creating it."
+    mkdir "$bin"
+fi
+
+if [[ ":$PATH:" == *":$bin:"* ]]
+  then
+    echo "$bin was found in \$PATH. Good to go."
+  else
+    echo "$bin was not found in \$PATH. Adding it."
+    export PATH="$bin:$PATH"
+fi
+
+for rc in "$HOME/.profile" "$HOME/.bashrc" "$HOME/.bash_profile"
+  do
+    if [ -f "$rc" ]
+      then
+        if grep -q "PATH=\"\$HOME/bin:\$PATH\"" "$rc"
+          then
+            echo "Path adjustment found in $rc."
+          else
+            echo "Path adjustment not found in $rc. Adding it."
+            echo "export PATH=\"\$HOME/bin:\$PATH\"" >> "$rc"
+        fi
+      else
+        echo "No $rc is present. Skipping."
+    fi
+  done
+
+cp -r zomp "$zomp_dir"
+cp unix/zx "$zomp_dir"
+cp unix/zxh "$zomp_dir"
+cp README.md "$zomp_dir"
+cp LICENSE "$zomp_dir"
+cp uninstall "$zomp_dir"
+ln -s "$zomp_dir"/zx "$bin"/zx
+ln -s "$zomp_dir"/zxh "$bin"/zxh
+
+if zx_link=$(command -v zx)
+  then
+    echo "zx found at $zx_link. Checking for upgrade."
+    echo "Running \`zx upgrade\`..."
+    zx upgrade
+  else
+    echo "zx is not yet in \$PATH."
+    echo "Add zx's location ($HOME/bin) to \$PATH run \`zx upgrade\`."
+fi

unix/uninstall

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+#! /bin/sh
+
+rm -f "$HOME/bin/zx"
+rm -f "$HOME/bin/zxh"
+rm -rf "$HOME/zomp"