28 lines
1.1 KiB
Bash
Executable File
28 lines
1.1 KiB
Bash
Executable File
#!/bin/sh -e
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test "$1" = "-q" && quiet=$1 && shift
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test ! -r "$1" && echo "Usage: sign <document.pdf> [hoffset [voffset [scale [signature-image]]]]" && exit 1
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signature=$(pass info/signature$(test -n "$5" && echo "-$5"))
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# TODO make filenames unique and don't rerun unneccessarily
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tmp_base=/tmp/sign
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mkdir -p $tmp_base
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tmp_signed=$tmp_base/$1_last-signature.pdf
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tmp_reversed=$tmp_base/$1_reverse.pdf
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sig=$tmp_base/signature_offset.pdf
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result="${1%.pdf}_${5:-signed}.pdf"
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pdfjam $quiet "$signature" --outfile "$sig" --papersize "{595pt, 842pt}" --noautoscale true \
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--offset "${2:-0}pt ${3:-0}pt" --scale "${4:-1}"
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pdfjam $quiet "$1" last "$sig" --outfile "$tmp_signed" --delta "0 -842pt" --nup "1x2" --fitpaper true
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timg "$tmp_signed"
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# https://apple.stackexchange.com/questions/198854/shell-command-to-count-pages-in-a-pdf-other-than-pdftk
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if test "$(pdftk "$1" dump_data | grep Pages | cut -d' ' -f2)" -gt 1
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then
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pdfjam $quiet "$1" last-1 --outfile "$tmp_reversed"
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pdfjam $quiet "$tmp_reversed" last-2 "$tmp_signed" --outfile "$result"
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else cp "$tmp_signed" "$result"
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fi
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