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#!/bin/sh
usage="usage: $0 dir
Calculate the average confidence of each page, saving them in a file
called hocr-avgpgconf in the book directory."
test $# -ne 1 && echo "$usage" && exit 1
### calculate averages for hocr (tesseract)
o="$1/hocr-avgpgconf"
printf '' > "$o"
for i in "$1"/*hocr
do
b=`basename "$i" .hocr`
pgavg=`avg-lines "$i" 2>/dev/null \
| awk -F ':' '{print $2}' \
| sed 's/%//g;s/ //g' \
| awk '{total += $1; n++} END{if(n > 0) {printf("%.2f\n", total/n)}}'`
printf '%s\t%.2f\n' "$b" "$pgavg" >> "$o"
done
### calculate averages for prob (ocropus)
o="$1/prob-avgpgconf"
printf '' > "$o"
for i in "$1"/????
do
b=`basename "$i"`
pgavg=`avg-lines "$i"/*prob 2>/dev/null \
| awk -F ':' '{print $2}' \
| sed 's/%//g;s/ //g' \
| awk '{total += $1; n++} END{if(n > 0) {printf("%.2f\n", total/n)}}'`
printf '%s\t%.2f\n' "$b" "$pgavg" >> "$o"
done
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