I wrote earlier about the bug in which Lilypond with the eps backend
inaccurately calculates the bounding box, and Andrea provided a
working solution (thank you).
I turned it into this Bash script, which works well for me, though I
don't understand why this process should be necessary.
Intriguingly, when I run this script it produces a cropped PDF image
which is about 10% the size of the PDF produced just by compiling with
lilypond alone.
In one example the full-page lilypond PDF, a single page with one
system of music, was 160K; the PDF produced by "lilycrop" was 19K!
****
~/bin/lilycrop:
#! /bin/sh
set -e
file="${1%.ly}"
lilypond "$file"
pdftops -eps "$file".pdf
cat "$file".eps | ps2eps > "$file"_cut.eps
epstopdf "$file"_cut.eps
rm "$file".eps "$file"_cut.eps
mv "$file"_cut.pdf "$file".pdf
echo "Cropped PDF '$file.pdf' produced from '$1'"
***
Andrew Cashner
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