Ulfi/my-scripts
Ulfi/my-scripts
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SchredderHDD.sh and wmf2svg.sh added

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Ulf 2021-11-01 19:01:52 +01:00
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commit 6742b90d01
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6
README.md
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# my-scripts # my-scripts
My personally used scripts My personally or users our LUG-VS used scripts
See also at [LUG-VS-Wiki Nützliche Scripte](https://lug-vs.org//lugvswiki/index.php?title=Nuetzliche_Scripte) (German)
## Content ## Content
@ -11,4 +14,5 @@ My personally used scripts
|[make_exif-name.sh](make_exif-name.sh)|Add a comment in all *.jpg files in the actuall and all subfolders| |[make_exif-name.sh](make_exif-name.sh)|Add a comment in all *.jpg files in the actuall and all subfolders|
|[write-exif-comment.sh](write-exif-comment.sh)|Write JPEG EXIF comment in all *.jpg pocures| |[write-exif-comment.sh](write-exif-comment.sh)|Write JPEG EXIF comment in all *.jpg pocures|
|[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))| |[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))|
|[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|

98
SchredderHDD.sh Executable file
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#!/bin/sh
# Löscht ein komplettes Device
# Version 0.2.0
# Vom 2012-10-15 Aktualisert am 2021-01-24
# (c) LUG-VS (GPL)
##Status anzeigen:
#sudo kill -SIGUSR1 $(pidof dd)
# teste ob vorhanden
if [ "`whoami`" != "root" ] ; then
echo 'Nicht ausreichend Rechte - bitte als "root" anmelden!'
exit 10
fi
# Überprüft ob Parameter vorhanden
if [ $# -lt 1 ] ; then
echo 'Device angeben z.B. "'$0' /dev/sdf"'
exit 20
fi
# teste ob vorhanden
if [ ! -b $1 ] ; then
echo 'Device existiert nicht'
echo 'Device angeben z.B. "'$0' /dev/sdf"'
exit 30
fi
# Device zuweisen
OF=$1
SIZE=$(fdisk -l ${OF} 2> /dev/null | grep ${OF} | sed -r "s/.*\, (.*) byte.*/\1/I")
NAME=$(fdisk -l ${OF} 2> /dev/null | head -n2 | tail -n1 | sed 's/.*: *//' | sed 's/ *//')
RNDOM=$(( 20 * 1024 * 1024 )) # Durchsatz bei Zufallszahlen in B/s
NULLS=$(( 40 * 1024 * 1024 )) # Durchsatz bei Zufallszahlen in B/s
RDURATION=$(( ${SIZE} / ${RNDOM} ))
NDURATION=$(( ${SIZE} / ${NULLS} ))
DURATION=$(( ${RDURATION} + ${NDURATION} ))
#echo "Random=<${RNDOM}> NULLS=<${NULLS}> RDURATION=<${RDURATION}> NDURATION=<${NDURATION}> DURATION=<${DURATION}>"
# Letze Nachfrage
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!"
echo -en "*** Achtung! Device (Festplatte) ${OF} (${NAME}) wirklich löschen? (j/n) "
read -n 1 key
echo -e "\n"
if [ "${key}" != "j" ] ; then echo 'Antwort nicht "j" => abgebrochen durch Benutzer'; exit 1; fi;
# Laufwerk aushängen
echo -en "Info ($(date '+%A, %T Uhr')): Laufwerk aushängen: "
umount -f ${OF}*
# Zufallszahlen Schreiben bis
TIME=$(date "+%A, %T Uhr")
RTIME=$(date "+%A um %H:%M Uhr" --date="+${RDURATION} seconds")
FTIME=$(date "+%A um %H:%M Uhr" --date="+${DURATION} seconds")
echo -e "Info (${TIME}): $OF hat eine Größe von $((${SIZE}/1073741824))GB, was bei typischen Durchsatz von $((${RNDOM}/1048576))MB/s etwa bis ${RTIME} für das schreiben der Zufallszahlen dauert!"
echo -e "Info (${TIME}): Damit dauert mit anschließenden schreiben von Nullen bei typischen Durchsatz von $((${NULLS}/1048576))MB/s etwa bis ${FTIME}!"
##dd random
dd if=/dev/urandom of=${OF} bs=4M iflag=fullblock oflag=direct status=progress
sync
#echo -e "\n"
TIME=$(date "+%A, %T Uhr")
NTIME=$(date "+%A um %H:%M Uhr" --date="+${NDURATION} seconds")
echo -e "Info (${TIME}): $OF hat eine Größe von ${SIZE} bytes, was bei typischen Durchsatz von $((${NULLS}/1048576))MB/s etwa bis ${NTIME} für das schreiben der Nullen dauert!"
##dd null
#dd if=/dev/zero of=${OF} bs=64k
dd if=/dev/zero of=${OF} bs=4M iflag=fullblock oflag=direct status=progress
sync
TIME=$(date "+%A, %T Uhr")
echo -e "Info (${TIME}): $OF (${NAME}) sicher gelöscht!"
## Bisher
# echo 'Laufwerk aushängen'
# umount -f ${OF}*
#
# Zufallszahlen beschreiben und anschließend löschen
# date +"%F %T"
# echo 'Schreibe Zufallszahlen auf' ${OF}
# dd if=/dev/urandom of=${OF}
# dd if=/dev/urandom of=${OF} bs=4M iflag=fullblock oflag=direct status=progress
# sync
# echo -en "\n"
# date +"%F %T"
# echo 'Schreibe Nullen auf' ${OF}
# dd if=/dev/zero of=${OF} bs=64k
# dd if=/dev/zero of=${OF} bs=4M iflag=fullblock oflag=direct status=progress
# sync
# date +"%F %T"
# echo 'Device (Festplatte)' ${OF} 'sicher gelöscht'
# OF=
#
# 4 mal lüten
#for (( INDEX=4 ; ${INDEX} ; INDEX=$(( ${INDEX} - 1 )) )) ; do
# beep # => beep wird nicht gefunden ist auch kein alias ???!!!
# wait
#done
#INDEX=
##

59
wmf2svg.sh Executable file
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#!/bin/bash
# Simple script to "convert" a grafik file format to an other
#
# (c) LUG-VS (GPL)
VERSION="wmf2svg.sh Version 0.0.2 from 2006-12-27"
#
# Input: path
# Output: changed files
#
# Changes:
# 0.0.2: rebuild with temporary convertion file
# 0.0.1: generation
#
FORMATin=.wmf
FORMATout=.svg
TEMPfile=`dirname $0`/$$.sh
EXECpath=.
# trap is executed if script breaks (remove temporary file if exists)
trap "echo '*** TRAP ***' ; test -e ${TEMPfile} && rm ${TEMPfile} ; exit" ERR
# check if command exists else break
which convert > /dev/null || echo "convert not found!" || exit;
# check if filename exists
if [ -e ${TEMPfile} ] ; then
echo '${TEMPfile} exists => call this comand a 2-nd time'
exit
fi
# if path exists and is a path => use it
if [ -d $1 ] ; then
EXECpath=$1
fi
# generate temporary script for manipulation and made it executable
# change in this sektion what is to do
# the "echo" comand writes the comand lines in the ${TEMPfile}
echo '#!/bin/bash' > `echo ${TEMPfile}`
echo -e 'myFILEin=$1\nmyFILEout=`dirname $1`/`basename $1 '${FORMATin}'`"'${FORMATout}'"' >> `echo ${TEMPfile}`
echo -e 'echo convert ${myFILEin} ${myFILEout}' >> `echo ${TEMPfile}`
echo -e 'convert ${myFILEin} ${myFILEout}' >> `echo ${TEMPfile}`
echo -e '# write what you want to do without coment char "#" in this line' >> `echo ${TEMPfile}`
echo -e '# rm ${myFILEin} ;# remove "#" befor rm if you want to delete the source' >> `echo ${TEMPfile}`
chmod +x ${TEMPfile}
# echo what is to do
echo 'Start recursive convertion from *'${FORMATin}' in *'${FORMATout}
# find all files (not case sensitive) that matching filter and execut script
find ${EXECpath} -type f -iname "*${FORMATin}" -print0 | xargs -0 -n1 ${TEMPfile}
# debug => remove this line if not need
cat ${TEMPfile}
# remove the temporary script
rm ${TEMPfile}