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# 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
@ -8,5 +11,9 @@ My personally used scripts
|---|---|
|[duc-index.sh](duc-index.sh)|Script to be added e.g. as cronjob, which generate an index w/o nfs and dfs filesystem mounted files|
|[diskfree.sh](diskfree.sh)|Script shows the free memory of all mounted filesystems beside *tmpfs|
|[jpg-add-comment.sh](jpg-add-comment.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|
|[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|
|[wmf2svg.sh](wmf2svg.sh)|Example script converts WMF files in SVG to share it easily in the internet|

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=
##

3
jpg-add-comment.sh → make_exif-name.sh Normal file → Executable file
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@ -1,7 +1,7 @@
#!/bin/bash
# Add a exif-comment to all JPEG-Files from this directory and all subdirectorys
#
# (c) LUG-VS (GPL)
# (c) by Ulf Bartholomäus ub1x@gmx.net
VERSION="make_exif-name.sh Version 0.0.2 from 23.10.2005"
#
# Input: comment text
@ -29,4 +29,3 @@ echo "Write Comment: <"${COMMENTSTEXT}">"
# -p Preserve timestamps (atime + mtime) when doing inplace editing.
# -c <text> Set jpeg comment tag to <text>.
find . -type f -name "${JPEGFILEFILTER}" -exec exiftran -ibp -c "${COMMENTSTEXT}" {} \;

32
utf8.sh Executable file
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#!/bin/bash
# Script wich converts a file in 'text/plain' from an not utf8 char set to utf8 char set
#
# (c) by Ulf Bartholom<6F>s ulfbart@gmx.de
VERSION="$0 Version 0.1.0 from 20.09.2006"
#
if [ "$1" == "" ]; then
echo "Please enter Filename as first option which should be converted"
echo
echo -e "INFO:\n\tTo convert all old latin1 file-names in new utf8 file-names use:"
echo -e "\t\t'convmv --notest -r -f latin1 -t utf-8 *'\n"
exit -1
fi
myNEWNAME=$1
myNEWNAMEsik=$(echo ${myNEWNAME}~)
myFILETYPE=$(file -bi ${myNEWNAME} | cut -d';' -f1)
myCHARSET=$(file -bi ${myNEWNAME} | cut -d'=' -f2)
# if Filetype is convertable
if [ "${myFILETYPE}" == "text/plain" ] && [ "${myCHARSET}" != "utf8" ]; then
# If sik file exists break with error message
test -e ${myNEWNAMEsik} && echo "File <${myNEWNAMEsik}> exists" && exit -2
mv ${myNEWNAME} ${myNEWNAMEsik}
# Convert the old CharSet in utf8
echo "Convert ${myNEWNAME} from ${myCHARSET} to utf8"
iconv -f ${myCHARSET} -t utf8 -o ${myNEWNAME} ${myNEWNAMEsik}
else
# Print error Message
echo "Filetype not 'text/plain' (${myFILETYPE}) or char set is 'utf8' (${myCHARSET})"
fi

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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}

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write-exif-comment.sh Executable file
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#!/bin/bash
# Write a exif-comment to all JPEG-Files from this directory and all subdirectorys
#
# (c) LUG-VS (GPL)
VERSION="write-exif-comment.sh Version 0.0.1 from 16.06.2019"
#
# Input: InImage [OutImage]
# Output: changed files
#
# Changes:
# 0.0.1: generation
#
test -e $1 || exit -1
FilenameFull="$1"
if [ $# -gt 1 ] ; then
FilenameSik="$2"
else
Extension="${FilenameFull##*.}"
FilenameBase="${FilenameFull%.*}"
FilenameSik="${FilenameBase}New.${Extension}"
fi
CommentsText="$(convert ${FilenameFull} -format "%c\n" info:)"
Width=$(identify -format %w ${FilenameFull})
High=$(( $(identify -format %h ${FilenameFull}) / 10))
echo "EXIF-Kommentar= <${CommentsText}> of <${FilenameFull}> (${Width}x${High} ${FilenameSik})"
convert -background '#0008' -fill white -gravity center -size ${Width}x${High} caption:"${CommentsText}" \
${FilenameFull} +swap -gravity south -composite ${FilenameSik}