SchredderHDD.sh and wmf2svg.sh added
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# my-scripts
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My personally used scripts
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My personally or users our LUG-VS used scripts
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See also at [LUG-VS-Wiki Nützliche Scripte](https://lug-vs.org//lugvswiki/index.php?title=Nuetzliche_Scripte) (German)
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## Content
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@ -11,4 +14,5 @@ My personally used scripts
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|[make_exif-name.sh](make_exif-name.sh)|Add a comment in all *.jpg files in the actuall and all subfolders|
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|[write-exif-comment.sh](write-exif-comment.sh)|Write JPEG EXIF comment in all *.jpg pocures|
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|[utf8.sh](utf8.sh)|Convert text from e.g. Windows latin1 to utf8 text (e.g. in READMEs or other text (not for office documents))|
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|[SchredderHDD.sh](SchredderHDD.sh)|Delete a mechanical Hard Disk (HDD) in a relayeable way to ensure before forward it to the recycling, that no old data are there|
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#!/bin/sh
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# Löscht ein komplettes Device
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# Version 0.2.0
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# Vom 2012-10-15 Aktualisert am 2021-01-24
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# (c) LUG-VS (GPL)
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##Status anzeigen:
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#sudo kill -SIGUSR1 $(pidof dd)
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# teste ob vorhanden
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if [ "`whoami`" != "root" ] ; then
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echo 'Nicht ausreichend Rechte - bitte als "root" anmelden!'
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exit 10
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fi
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# Überprüft ob Parameter vorhanden
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if [ $# -lt 1 ] ; then
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echo 'Device angeben z.B. "'$0' /dev/sdf"'
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exit 20
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fi
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# teste ob vorhanden
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if [ ! -b $1 ] ; then
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echo 'Device existiert nicht'
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echo 'Device angeben z.B. "'$0' /dev/sdf"'
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exit 30
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fi
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# Device zuweisen
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OF=$1
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SIZE=$(fdisk -l ${OF} 2> /dev/null | grep ${OF} | sed -r "s/.*\, (.*) byte.*/\1/I")
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NAME=$(fdisk -l ${OF} 2> /dev/null | head -n2 | tail -n1 | sed 's/.*: *//' | sed 's/ *//')
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RNDOM=$(( 20 * 1024 * 1024 )) # Durchsatz bei Zufallszahlen in B/s
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NULLS=$(( 40 * 1024 * 1024 )) # Durchsatz bei Zufallszahlen in B/s
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RDURATION=$(( ${SIZE} / ${RNDOM} ))
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NDURATION=$(( ${SIZE} / ${NULLS} ))
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DURATION=$(( ${RDURATION} + ${NDURATION} ))
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#echo "Random=<${RNDOM}> NULLS=<${NULLS}> RDURATION=<${RDURATION}> NDURATION=<${NDURATION}> DURATION=<${DURATION}>"
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# Letze Nachfrage
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echo -e "Info ($(date '+%A, %T Uhr')): $OF hat eine Größe von $((${SIZE}/1073741824))GB! Damit dauert mit anschließenden schreiben von Nullen bei typischen Durchsatz etwa $((${DURATION}/3600)) Stunden!"
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echo -en "*** Achtung! Device (Festplatte) ${OF} (${NAME}) wirklich löschen? (j/n) "
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read -n 1 key
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echo -e "\n"
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if [ "${key}" != "j" ] ; then echo 'Antwort nicht "j" => abgebrochen durch Benutzer'; exit 1; fi;
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# Laufwerk aushängen
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echo -en "Info ($(date '+%A, %T Uhr')): Laufwerk aushängen: "
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umount -f ${OF}*
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# Zufallszahlen Schreiben bis
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TIME=$(date "+%A, %T Uhr")
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RTIME=$(date "+%A um %H:%M Uhr" --date="+${RDURATION} seconds")
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FTIME=$(date "+%A um %H:%M Uhr" --date="+${DURATION} seconds")
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echo -e "Info (${TIME}): $OF hat eine Größe von $((${SIZE}/1073741824))GB, was bei typischen Durchsatz von $((${RNDOM}/1048576))MB/s etwa bis ${RTIME} für das schreiben der Zufallszahlen dauert!"
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echo -e "Info (${TIME}): Damit dauert mit anschließenden schreiben von Nullen bei typischen Durchsatz von $((${NULLS}/1048576))MB/s etwa bis ${FTIME}!"
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##dd random
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dd if=/dev/urandom of=${OF} bs=4M iflag=fullblock oflag=direct status=progress
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sync
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#echo -e "\n"
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TIME=$(date "+%A, %T Uhr")
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NTIME=$(date "+%A um %H:%M Uhr" --date="+${NDURATION} seconds")
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echo -e "Info (${TIME}): $OF hat eine Größe von ${SIZE} bytes, was bei typischen Durchsatz von $((${NULLS}/1048576))MB/s etwa bis ${NTIME} für das schreiben der Nullen dauert!"
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##dd null
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#dd if=/dev/zero of=${OF} bs=64k
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dd if=/dev/zero of=${OF} bs=4M iflag=fullblock oflag=direct status=progress
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sync
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TIME=$(date "+%A, %T Uhr")
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echo -e "Info (${TIME}): $OF (${NAME}) sicher gelöscht!"
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## Bisher
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# echo 'Laufwerk aushängen'
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# umount -f ${OF}*
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#
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# Zufallszahlen beschreiben und anschließend löschen
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# date +"%F %T"
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# echo 'Schreibe Zufallszahlen auf' ${OF}
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# dd if=/dev/urandom of=${OF}
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# dd if=/dev/urandom of=${OF} bs=4M iflag=fullblock oflag=direct status=progress
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# sync
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# echo -en "\n"
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# date +"%F %T"
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# echo 'Schreibe Nullen auf' ${OF}
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# dd if=/dev/zero of=${OF} bs=64k
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# dd if=/dev/zero of=${OF} bs=4M iflag=fullblock oflag=direct status=progress
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# sync
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# date +"%F %T"
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# echo 'Device (Festplatte)' ${OF} 'sicher gelöscht'
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# OF=
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#
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# 4 mal lüten
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#for (( INDEX=4 ; ${INDEX} ; INDEX=$(( ${INDEX} - 1 )) )) ; do
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# beep # => beep wird nicht gefunden ist auch kein alias ???!!!
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# wait
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#done
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#INDEX=
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##
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#!/bin/bash
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# Simple script to "convert" a grafik file format to an other
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#
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# (c) LUG-VS (GPL)
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VERSION="wmf2svg.sh Version 0.0.2 from 2006-12-27"
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#
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# Input: path
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# Output: changed files
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#
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# Changes:
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# 0.0.2: rebuild with temporary convertion file
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# 0.0.1: generation
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#
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FORMATin=.wmf
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FORMATout=.svg
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TEMPfile=`dirname $0`/$$.sh
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EXECpath=.
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# trap is executed if script breaks (remove temporary file if exists)
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trap "echo '*** TRAP ***' ; test -e ${TEMPfile} && rm ${TEMPfile} ; exit" ERR
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# check if command exists else break
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which convert > /dev/null || echo "convert not found!" || exit;
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# check if filename exists
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if [ -e ${TEMPfile} ] ; then
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echo '${TEMPfile} exists => call this comand a 2-nd time'
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exit
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fi
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# if path exists and is a path => use it
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if [ -d $1 ] ; then
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EXECpath=$1
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fi
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# generate temporary script for manipulation and made it executable
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# change in this sektion what is to do
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# the "echo" comand writes the comand lines in the ${TEMPfile}
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echo '#!/bin/bash' > `echo ${TEMPfile}`
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echo -e 'myFILEin=$1\nmyFILEout=`dirname $1`/`basename $1 '${FORMATin}'`"'${FORMATout}'"' >> `echo ${TEMPfile}`
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echo -e 'echo convert ${myFILEin} ${myFILEout}' >> `echo ${TEMPfile}`
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echo -e 'convert ${myFILEin} ${myFILEout}' >> `echo ${TEMPfile}`
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echo -e '# write what you want to do without coment char "#" in this line' >> `echo ${TEMPfile}`
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echo -e '# rm ${myFILEin} ;# remove "#" befor rm if you want to delete the source' >> `echo ${TEMPfile}`
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chmod +x ${TEMPfile}
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# echo what is to do
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echo 'Start recursive convertion from *'${FORMATin}' in *'${FORMATout}
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# find all files (not case sensitive) that matching filter and execut script
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find ${EXECpath} -type f -iname "*${FORMATin}" -print0 | xargs -0 -n1 ${TEMPfile}
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# debug => remove this line if not need
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cat ${TEMPfile}
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# remove the temporary script
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rm ${TEMPfile}
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