Created
February 1, 2021 17:22
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calculate median ink coverage of all pages from a pdf FILE
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| #!/bin/bash | |
| if [ -z $1 ]; then echo "introdu cale fisier"; exit 1; fi | |
| covfile=${1%.*}.cov | |
| # run this block in background | |
| { | |
| gs -o - -sDEVICE=inkcov "$1" > "$covfile" | |
| sed -i -E '/^\S/d' "$covfile" | |
| awk '{c+=$1; m+=$2; y+=$3; k+=$4; next} END{c=c/NR; m=m/NR; y=y/NR; k=k/NR; print "C="c " M="m " Y="y " K="k " T="c+m+y+k}' "$covfile" | |
| if [ ! -z "$2" ]; then | |
| rm "$covfile"; | |
| fi | |
| } & | |
| # wait here for completion of block above | |
| pid=$! # Process Id of the previous running command | |
| spin='—\|/' | |
| i=0 | |
| while kill -0 $pid 2>/dev/null | |
| do | |
| i=$(( (i+1) %4 )) | |
| printf "\r${spin:$i:1}" | |
| sleep .1 | |
| done |
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