Install Nerd Fonts to separate folders

bash/.bash/functions/fonts.sh

@@ -1,16 +1,23 @@
 # Dowload and install Nerd Fonts https://www.nerdfonts.com
 
 nerdfonts() {
-    if [[ $# -le 0 ]]; then
-        echo "Usage: nerdfonts FontName"
-        echo ""
-        echo "The name should be the package in the nerdfonts release page: https://github.com/ryanoasis/nerd-fonts/releases/latest"
-    else
-        wget -P ~/.local/share/fonts https://github.com/ryanoasis/nerd-fonts/releases/latest/download/$1.zip \
-        && cd ~/.local/share/fonts \
-        && unzip $1.zip \
-        && rm $1.zip \
-        && fc-cache -fv
-        cd -
+read -r -d '' NERDFONTS_HELP <<-'EOF'
+Usage: nerdfonts FontName
+
+Download a Nerd Font and install it locally.
+
+The FontName should be the package in the nerdfonts release page:
+https://github.com/ryanoasis/nerd-fonts/releases/latest
+
+EOF
+    if [[ $# -ne 1 ]]; then
+        echo "$NERDFONTS_HELP"
+        return 1;
     fi
+    outdir="$HOME/.local/share/fonts/$1"
+    baseurl="https://github.com/ryanoasis/nerd-fonts/releases/latest/download"
+    wget -P $outdir $baseurl/$1.zip \
+        && unzip $outdir/$1.zip -d $outdir \
+        && rm $outdir/$1.zip \
+        && fc-cache -fv
 }

bash/.bash/functions/pdf.sh

@@ -11,16 +11,18 @@ pdfcmyk() {
 
 pdfcompress() {
 read -r -d '' PDFCOMPRESS_HELP <<-'EOF'
-Usage: pdfcompress [INPUT] [OUTPUT]
+Usage: pdfcompress [LEVEL] INPUT OUTPUT
 
 Use Ghostscript to lower the DPI of images in a PDF.
 
+LEVEL should be one of: screen [default], default, ebook, printer, prepress
+
 EOF
-    if [[ $# == 0 ]]; then
+    if [[ $# -le 1 ]]; then
         echo "$PDFCOMPRESS_HELP";
-        return 0;
+        return 1;
     fi
-    gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/ebook \
+    gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/screen \
        -dNOPAUSE -dQUIET -dBATCH -dDetectDuplicateImages \
        -dCompressFonts=true -sOutputFile=$2 $1
 }