phiresky · July 13, 2018 16:40 · phiresky · Dec 3, 2020
diff --git a/pdftotext-cached.sh b/pdftotext-cached.sh
 #!/bin/bash

 fname="$1"

 cachedir=/tmp/pdfextract
 mkdir -p "$cachedir"

 mtime="$(stat -c %Y "$1")"

 hash=$(echo $fname.$mtime | sha256sum |  cut -c1-64)

 echo $hash $fname $mtime

 cachefname="$cachedir/$hash.txt"
 if [[ ! -f "$cachefname" ]]; then
 	pdftotext -layout "$fname" - |
 		# add "Page X: " prefix to each line
 		awk 'BEGIN {page=1} /\f/{page+=1}; { sub(/\f/, ""); print "Page " page ":", $0}' > "$cachefname"
 fi

 exec cat "$cachefname"
	#!/bin/bash

	fname="$1"

	cachedir=/tmp/pdfextract
	mkdir -p "$cachedir"

	mtime="$(stat -c %Y "$1")"

	hash=$(echo $fname.$mtime \| sha256sum \| cut -c1-64)

	echo $hash $fname $mtime

	cachefname="$cachedir/$hash.txt"
	if [[ ! -f "$cachefname" ]]; then
	pdftotext -layout "$fname" - \|
	# add "Page X: " prefix to each line
	awk 'BEGIN {page=1} /\f/{page+=1}; { sub(/\f/, ""); print "Page " page ":", $0}' > "$cachefname"
	fi

	exec cat "$cachefname"