Minor update, some new scripts, some updated
sss: save some space, picture compressor pdfdiff : perform a visual diff on simila pdfs to highlight
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d32fbc1205
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38
pdfdiff
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38
pdfdiff
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@ -0,0 +1,38 @@
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#!/bin/bash
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# pdfdiff : perform a graphical diff on two similar pdf files, and highlight the differences
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# Usage : pdfdiff SOURCE1 SOURCE2 [OUTPUT]
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#
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# Dependencies: mutool (https://mupdf.com) ; ImageMagikc (imagemagick.org)
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tmpdir=$(mktemp -d)
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cp "${1}" "${tmpdir}/a.pdf"
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cp "${2}" "${tmpdir}/b.pdf"
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cd "${tmpdir}"
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n=$(mutool info a.pdf | grep -im1 "Pages: " | cut -d " " -f 2)
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m=$(mutool info b.pdf | grep -im1 "Pages: " | cut -d " " -f 2)
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if test "${n}" != "${m}" ; then
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read -p "Warning: Source PDFs do not have the same number of pages. Continue ? [Y/n]"
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test "${REPLY}" = "n" || test "${REPLY}" = "N" && exit 0
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test "${n}" -gt "${m}" && n="${m}"
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fi
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mutool draw -F png -A 0 -N -o a-%d.png a.pdf
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mutool draw -F png -A 0 -N -o b-%d.png b.pdf
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for i in $(seq 1 "${n}") ; do
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compare "a-${i}.png" "b-${i}.png" -compose src "diff-${i}.png"
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montage "a-${i}.png" "diff-${i}.png" "b-${i}.png" -tile 3x1 -geometry +0+0 "out-${i}.png"
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done
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convert $(ls -v out*.png) out.pdf
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cd -
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mv "${tmpdir}/out.pdf" "${3:-./diff.pdf}"
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rm -rf "${tmpdir}"
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54
sss
54
sss
@ -1,7 +1,9 @@
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#!/bin/bash
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# TODO: Read the doc about optipng for further compression ?
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usage="\
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Usage: $0 [-p PREFIX] [-s SUFFIX] [-e EXTENSION] [-g \"GEOMETRY\"] [-q QUALITY] [-v] image1 image2 image3 ...\n
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Usage: $0 [-p PREFIX] [-s SUFFIX] [-e EXTENSION] [-g \"GEOMETRY\"] [-q QUALITY] [-vntP] image1 image2 image3 ...\n
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Use ImageMagick's convert tool to reduce the size of a selection of image files.\n
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\n
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Options:\n
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@ -30,6 +32,7 @@ Use ImageMagick's convert tool to reduce the size of a selection of image files.
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\t\tBest compression, most loss of quality. Default off\n
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-v\t\tMake verbose\n
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-P\t\tPrint progress (for use with zenity --progress)\n
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-n\t\tNo changes. Simulate only, print the command lines but do not run them.
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-h\t\tPrint this help and exit.\n"
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if [[ $# == 0 ]] ; then echo -e $usage ; exit 0 ; fi
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@ -40,10 +43,11 @@ geom="1920x1080>"
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qual="85"
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ext="jpg"
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verbose=false
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nochange=""
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sampling="-sampling-factor 4:2:0"
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median="2x2-1-1"
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while getopts p:s:g:q:M:e:xGmhSvPt option ; do
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while getopts p:s:g:q:M:e:xGmhSvPnt option ; do
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case "${option}"
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in
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p) ((nopt+=2)) ;
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@ -79,6 +83,9 @@ while getopts p:s:g:q:M:e:xGmhSvPt option ; do
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G) ((nopt+=1)) ;
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gaussian=true;
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;;
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n) ((nopt+=1)) ;
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nochange=true;
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;;
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m) ((nopt+=1)) ;
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unset median
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;;
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@ -106,38 +113,37 @@ test $verbose == true && echo -e "Old file \t Old size \t Old res \t New res \t
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for f in "${@:$nopt}" ; do
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test "$verbose" == true && status="$f \t $(ls -lh $f | cut -d " " -f 5) \t $(identify $f | rev | cut -d " " -f 7 | rev) \t " ; size=$(ls -l "$f" | cut -d " " -f 5)
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test "$verbose" == true && status="$f \t $(ls -lh $f | cut -d " " -f 5) \t $(identify "${f}" | rev | cut -d " " -f 7 | rev) \t " ; size=$(ls -l "${f}" | cut -d " " -f 5)
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name="$(echo $f | rev | cut -d '.' -f 2- | rev)"
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ext="${EXT:-$(echo $f | rev | cut -d '.' -f 1 | rev)}"
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test "$time" && exif -m -t "DateTime" "$f" > /dev/null && name="$(exif -m -t "DateTime" $f | tr ": " ".-")" || echo "$f : no DateTime found in exif data. Using filename instead."
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if test "$time" ; then
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tmp="$(exif -m -t "DateTime" "${f}")" && name="$(echo ${tmp} | tr ": " "-_" | head -n 1)" || echo "$f : no DateTime found in exif data. Using filename instead."
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tmp="$(echo "${f}" | grep -E "([[:digit:]]{4}).?([[:digit:]]{2}).?([[:digit:]]{2}).?([[:digit:]]{2}).?([[:digit:]]{2}).?([[:digit:]]{2})" | sed -e "s/[^0-9]//g" | sed -E "s/([0-9]{4})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})/\1-\2-\3_\4-\5-\6/")"
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test "${tmp}" && name="${tmp}"
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fi
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nf="${prefix}${name}${suffix}.${ext}"
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nf="$prefix""$name""$suffix"."$ext"
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while test -e $nf ; do nf="$prefix""$name""$suffix"_$(((++i)))."$ext" ; done
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while test -e $nf ; do nf="${prefix}${name}${suffix}"_$(((++i)))."${ext}" ; done
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unset i
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((insize+=$(ls -l "$f" | cut -d " " -f 5)))
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((insize+=$(ls -l "${f}" | cut -d " " -f 5)))
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convert \
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-auto-orient \
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-define jpeg:dct-method=float \
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$sampling \
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${median:+\-median $median} \
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-interlace Plane \
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${gaussian:+-gaussian-blur 0.1} \
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-colorspace RGB \
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-resize "$geom" \
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-quality "$qual" "$f" "$nf";
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cmd="convert -auto-orient -define jpeg:dct-method=float $sampling ${median:+-median $median} -interlace Plane ${gaussian:+-gaussian-blur 0.1} -colorspace RGB -resize ${geom} -quality ${qual} ${f} ${nf}"
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test "$exif" = true && cmd="$cmd ; exif --remove --no-fixup -o ${nf} ${nf} > /dev/null"
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if test "${nochange}" ; then
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echo "${cmd}"
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else
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$cmd
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test "$exif" = true && exif --remove --no-fixup -o $nf $nf > /dev/null
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((outsize+=$(ls -l "$nf" | cut -d " " -f 5)))
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((outsize+=$(ls -l "${nf}" | cut -d " " -f 5)))
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test "$verbose" == true && echo -e $status"$(identify "$nf" | rev | cut -d " " -f 7 | rev) \t $(ls -lh "$nf" | cut -d " " -f 5) \t "$nf" \t $((100*$(ls -l "$nf" | cut -d " " -f 5)/$size))% "
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fi
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test $verbose == true && echo -e $status"$(identify "$nf" | rev | cut -d " " -f 7 | rev) \t $(ls -lh "$nf" | cut -d " " -f 5) \t "$nf" \t $((100*$(ls -l "$nf" | cut -d " " -f 5)/$size))% "
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test $progress && echo $(((++progress * 100 / $#)))
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test "$progress" && echo "$(((++progress * 100 / $#)))"
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done
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test $verbose == true && echo -e "Average compression : $((100*outsize/insize))%"
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4
xmute
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4
xmute
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@ -0,0 +1,4 @@
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#!/bin/bash
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pid=$(xprop | grep -i pid | cut -d "=" -f 2 | tr -dc "0-9")
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index=$(pacmd list-sink-inputs | grep -B30 "application.process.id = \"$pid\"" | grep -m1 "index:" | cut -d ":" -f 2 | tr -dc "0-9")
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pacmd list-sink-inputs | grep -A30 "index: $index" | grep -q "muted: no" && pacmd set-sink-input-mute $index true || pacmd set-sink-input-mute $index false
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4
xpause
4
xpause
@ -30,13 +30,13 @@ if test -s /tmp/xpause ; then
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echo "unpaused $pid"
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exit 0
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else
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echo "xpause FAILED (kill)"
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echo "xunpause FAILED (kill -SIGCONT \"$pid\")"
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exit 1
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fi
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fi
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fi
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echo $pid >> /tmp/xpause
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kill -s "SIGSTOP" $pid || ( echo "xpause FAILED (kill)" ; exit 1 )
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kill -s "SIGSTOP" $pid || ( echo "xpause FAILED (kill - SIGSTOP $pid)" ; exit 1 )
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echo "xpaused $pid"
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exit 0
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