ghostscript->gs

init.sh

@@ -12,7 +12,7 @@ source "$BH_DIR/os_any.bash"
 case $OSTYPE in
 msys*)
   source "$BH_DIR/os_win.bash"
-  alias ghostscript='gswin64.exe'
+  alias gs='gswin64.exe'
   ;;
 linux*)
   source "$BH_DIR/os_ubu.bash"
@@ -32,7 +32,7 @@ if type cmake &>/dev/null; then source "$BH_LIB/cmake.bash"; fi
 if type docker &>/dev/null; then source "$BH_LIB/docker.bash"; fi
 if type ffmpeg &>/dev/null; then source "$BH_LIB/ffmpeg.bash"; fi
 if type flutter &>/dev/null; then source "$BH_LIB/flutter.bash"; fi
-if type ghostscript &>/dev/null; then source "$BH_LIB/ghostscript.bash"; fi
+if type gs &>/dev/null; then source "$BH_LIB/gs.bash"; fi
 if type git &>/dev/null; then source "$BH_LIB/git.bash"; fi
 if type latexmk &>/dev/null; then source "$BH_LIB/latex.bash"; fi
 if type lxc &>/dev/null; then source "$BH_LIB/lxc.bash"; fi

lib/gs.bash

@@ -0,0 +1,29 @@
+function gs_compress() {
+  : ${1?"Usage: ${FUNCNAME[0]} <pdf>"}
+  gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dNOPAUSE -dQUIET -dBATCH -sOutputFile=${1%.*}-compressed.pdf $1
+}
+
+function gs_compress_hard1() {
+  : ${1?"Usage: ${FUNCNAME[0]} <pdf>"}
+  gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dNOPAUSE -dQUIET -dBATCH -dPDFSETTINGS=//printer -dColorImageResolution=200 -sOutputFile=${1%.*}-compressed.pdf $1
+}
+
+function gs_compress_hard2() {
+  : ${1?"Usage: ${FUNCNAME[0]} <pdf>"}
+  gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dNOPAUSE -dQUIET -dBATCH -dPDFSETTINGS=//ebook -sOutputFile=${1%.*}-compressed.pdf $1
+}
+
+function gs_concat() {
+  : ${2?"Usage: ${FUNCNAME[0]} <pdf_1> <pdf_2>"}
+  gs -dNOPAUSE -dQUIET -dBATCH -sDEVICE=pdfwrite -sOUTPUTFILE=${1%.*}-${2%.*}-concat.pdf $1 $2
+}
+
+function gs_concat() {
+  : ${2?"Usage: ${FUNCNAME[0]} <pdf_1> <pdf_2>"}
+  gs -dNOPAUSE -dQUIET -dBATCH -sDEVICE=pdfwrite -sOUTPUTFILE=${1%.*}-${2%.*}-concat.pdf $1 $2
+}
+
+function gs_remove_annotations() {
+  : ${1?"Usage: ${FUNCNAME[0]} <pdf>"}
+  gs -dNOPAUSE -dQUIET -dBATCH -sDEVICE=pdfwrite -dShowAnnots=false -sOutputFile=${1%.*}-nocomments.pdf $1
+}