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set myBibFile to "/Users/zhope/Dropbox/Sundry/Library.bib"
if myBibFile exists then
set currentBibs to do shell script "/usr/local/bin/pandoc-citeproc --bib2json " & quoted form of myBibFile & " | /usr/local/bin/jq -r ' .[] | \"\\(.id)\"'"
set currentBibs to paragraphs of currentBibs
end if
set bibFile to POSIX file myBibFile
my write_to_file("", bibFile, true)
set bibs2add to {}
set bibs2subtract to {}
tell application "Bookends"
tell front library window
set theIDs to get citekey of publication items of group all
repeat with x from 1 to count of items of theIDs
set n to item x of theIDs
if n is in theIDs and n is not in currentBibs then set end of bibs2add to n
end repeat
repeat with x from 1 to count of items of currentBibs
set n to item x of currentBibs
if n is in currentBibs and n is not in theIDs then set end of bibs2subtract to n
end repeat
set bibCount to count of bibs2add
set steps to 25
set nLoop to round (bibCount / steps) rounding up
set thisLoop to 1
repeat while thisLoop is less than or equal to nLoop
-- set the batch index range
set startindex to (steps * thisLoop) - (steps - 1)
set endindex to (steps * thisLoop)
if endindex is greater than bibCount then
set endindex to bibCount
end if
set thisListItems to items startindex thru endindex of bibs2add
set myBibs to ""
repeat with theKey in thisListItems
set matchingPub to (publication items whose citekey is theKey)
-- set theID to id of first item of matchingPub
set theRecord to (format matchingPub using "BibTeX.fmt") as string
-- set theRecord to «event ToySGUID» theID given «class RRTF»:"false", string:"bibtex"
set myBibs to myBibs & theRecord & linefeed
end repeat
my write_to_file(myBibs, bibFile, true)
set thisLoop to thisLoop + 1
end repeat
if (count of bibs2subtract) is greater than 0 then
set subCount to 1
repeat with theKey in bibs2subtract
set ln to do shell script "grep -n " & quoted form of theKey & " " & myBibFile & " | cut -d: -f 1"
if subCount is 1 then
do shell script "sed -i.bak " & ln & "d " & myBibFile
else
do shell script "sed -i.delete " & ln & "d " & myBibFile
end if
set subCount to subCount + 1
end repeat
if myBibFile & ".delete" exists then do shell script "rm " & myBibFile & ".delete"
end if
end tell
end tell
-- Sub-Routine: credit to https://www.macosxautomation.com/applescript/sbrt/sbrt-09.html but modified for utf-8 encoding
on write_to_file(this_data, target_file, append_data)
try
set the target_file to the target_file as string
set the open_target_file to open for access file target_file with write permission
if append_data is false then set eof of the open_target_file to 0
write this_data to the open_target_file as «class utf8» starting at eof
close access the open_target_file
return true
on error
try
close access file target_file
end try
return false
end try
end write_to_file
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