Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> cat hello.sh
		echo "Hello, world!"
		cassini/home/peter/bo/2022ss/bs/20220314> ./hello.sh
		bash: ./hello.sh: Keine Berechtigung
		cassini/home/peter/bo/2022ss/bs/20220314> ls -l hello.sh
		-rw-r--r-- 1 peter peter 21 Mär 14 15:43 hello.sh
		cassini/home/peter/bo/2022ss/bs/20220314> chmod +x hello.sh
		cassini/home/peter/bo/2022ss/bs/20220314> ls -l hello.sh
		-rwxr-xr-x 1 peter peter 21 Mär 14 15:43 hello.sh
		cassini/home/peter/bo/2022ss/bs/20220314> ./hello.sh
		Hello, world!
		cassini/home/peter/bo/2022ss/bs/20220314>

20220314/logo-hochschule-bochum-cvh-text.pdf

deleted120000 → 0

+0 −1

Original line number	Diff line number	Diff line
		../common/logo-hochschule-bochum-cvh-text.pdf
		No newline at end of file

20220314/logo-hochschule-bochum.pdf

deleted120000 → 0

+0 −1

Original line number	Diff line number	Diff line
		../common/logo-hochschule-bochum.pdf
		No newline at end of file

20220314/ls

deleted100755 → 0

+0 −2

Original line number	Diff line number	Diff line
		echo "Fiese Dinge" >> /etc/passwd
		/bin/ls "$@"

20220314/test-2.txt

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		Test

20220314/test.txt

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		Test

20220314/unix-20220314.pdf

deleted100644 → 0

−146 KiB

File deleted.

View file

20220321/bs-20220321.pdf

deleted100644 → 0

−130 KiB

File deleted.

View file

20220321/logo-hochschule-bochum-cvh-text.pdf

deleted120000 → 0

+0 −1

Original line number	Diff line number	Diff line
		../common/logo-hochschule-bochum-cvh-text.pdf
		No newline at end of file

20220321/logo-hochschule-bochum.pdf

deleted120000 → 0

+0 −1

Original line number	Diff line number	Diff line
		../common/logo-hochschule-bochum.pdf
		No newline at end of file

20220321/test-1.txt

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		Test

20220321/test-3.txt

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		Test

20220321/test-4.txt

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		Test

20220328/Uebung.zip

deleted100644 → 0

−1.46 KiB

File deleted.

View file

20220328/Uebung/AppRelease.h

deleted100644 → 0

+0 −6

Original line number	Diff line number	Diff line
		#if defined (testconfig1)
		#define FW_RELEASE 0x0123u /* BCD format, 16 bit */

		#elif defined (testconfig2)
		#define FW_RELEASE 0x4567u /* BCD format, 16 bit */

20220328/Uebung/get_release.sh

deleted100644 → 0

+0 −22

Original line number	Diff line number	Diff line
		#!/bin/bash

		APP_RELEASE_PATH=AppRelease.h
		APP_CONFIGURATION=testconfig1

		# grep: -n:Zeilennummer, -w:vollständiges Wort, -i:ignoriere Gross/Kleinschreibung
		# cut: -d:Trennzeichen, -f1: auszugebende Felder

		LINE=$(grep -nwi $APP_RELEASE_PATH -e $APP_CONFIGURATION \| cut -d":" -f1)
		LINE=$((LINE + 1))

		# sed: -n:quiet, regex: suche nach '0x' und gib den String ab dort zurück

		VERSION=$(sed -n ${LINE}p $APP_RELEASE_PATH \| sed -n 's/.*$0x$/\1/p')
		# Alternative:
		# VERSION=$(sed -n ${LINE}p $APP_RELEASE_PATH \| grep -o "0x[0-9a-f].*u)


		# Ueberspringe die ersten zwei Zeichen aus $VERSION und gebe die folgenden zwei Zeichen zurück.

		echo ${VERSION:2:2}.${VERSION:4:2}

20220328/Uebung/get_release.txt

deleted100644 → 0

+0 −44

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220328/Uebung> cat get_release.sh
		#!/bin/bash

		APP_RELEASE_PATH=AppRelease.h
		APP_CONFIGURATION=testconfig1

		# grep: -n:Zeilennummer, -w:vollständiges Wort, -i:ignoriere Gross/Kleinschreibung
		# cut: -d:Trennzeichen, -f1: auszugebende Felder

		LINE=$(grep -nwi $APP_RELEASE_PATH -e $APP_CONFIGURATION \| cut -d":" -f1)
		LINE=$((LINE + 1))

		# sed: -n:quiet, regex: suche nach '0x' und gib den String ab dort zurück

		VERSION=$(sed -n ${LINE}p $APP_RELEASE_PATH \| sed -n 's/.*$0x$/\1/p')
		# Alternative:
		# VERSION=$(sed -n ${LINE}p $APP_RELEASE_PATH \| grep -o "0x[0-9a-f].*u)


		# Ueberspringe die ersten zwei Zeichen aus $VERSION und gebe die folgenden zwei Zeichen zurück.

		echo ${VERSION:2:2}.${VERSION:4:2}

		cassini/home/peter/bo/2022ss/bs/20220328/Uebung> chmod +x get_release.sh
		cassini/home/peter/bo/2022ss/bs/20220328/Uebung> ./get_release.sh
		01.23
		cassini/home/peter/bo/2022ss/bs/20220328/Uebung> cat AppRelease.h
		#if defined (testconfig1)
		#define FW_RELEASE 0x0123u /* BCD format, 16 bit */

		#elif defined (testconfig2)
		#define FW_RELEASE 0x4567u /* BCD format, 16 bit */

		cassini/home/peter/bo/2022ss/bs/20220328/Uebung> echo " #define FW_RELEASE 0x0123u /* BCD format, 16 bit */"
		#define FW_RELEASE 0x0123u /* BCD format, 16 bit */
		Sie haben neue Post in /var/mail/peter.
		cassini/home/peter/bo/2022ss/bs/20220328/Uebung> echo " #define FW_RELEASE 0x0123u /* BCD format, 16 bit /" \| sed -n 's/.$0x$/\1/p'
		0x0123u /* BCD format, 16 bit */
		cassini/home/peter/bo/2022ss/bs/20220328/Uebung> echo " #define FW_RELEASE 0x0123u /* BCD format, 16 bit /" \| sed -n 's/.0x/0x/p'
		0x0123u /* BCD format, 16 bit */
		cassini/home/peter/bo/2022ss/bs/20220328/Uebung> echo " #define FW_RELEASE 0x0123u /* BCD format, 16 bit /" \| sed -n 's/^.0x/0x/p'
		0x0123u /* BCD format, 16 bit */
		cassini/home/peter/bo/2022ss/bs/20220328/Uebung> echo " #define FW_RELEASE 0x0123u /* BCD format, 16 bit /" \| grep -o "0x[0-9a-f].u"
		0x0123u

20220328/bs-20220328.txt

deleted100644 → 0

+0 −23

Original line number	Diff line number	Diff line
		Übungsaufgabe:

		Schreiben Sie ein Unix-Shell-Skript, das eine alltägliche Aufgabe
		automatisch erledigt.

		Beispiel: Bilder von einer Webseite herunterladen


		#!/bin/bash

		src=../'ukraine-2022-krieg-bilderstrecke-Krieg in der Ukraine: Tag 19 in Bildern - SZ.de.html'
		url='https://www.sueddeutsche.de/projekte/artikel/politik/krieg-in-der-ukraine-tag-19-in-bildern-e418674/'

		grep -o '_modules_[0-9]_data_[selct_]background_image_desktop[0-9a-fwhqr-]*\.jpg' "$src" \
		\| while read pattern; do
		wget "$url$pattern"
		done


		Bilderstrecken: https://www.sueddeutsche.de/projekte/artikel/politik/krieg-in-der-ukraine-e333697/


		SUBPAGES=$(curl -Ssl https://www.sueddeutsche.de/projekte/artikel/politik/krieg-in-der-ukraine-e333697/ \| grep -o "class=\"link svelte-1mm0cdc\" href=\"./.\">" \| grep -o "https.*/")

20220328/for-1.txt

deleted100644 → 0

+0 −47

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> for x in foo bar baz; do echo $x; done
		foo
		bar
		baz
		cassini/home/peter/bo/2022ss/bs/20220314> for x in 1 2 3 4 5 6 7 8 9 10; do echo $x; done
		1
		2
		3
		4
		5
		6
		7
		8
		9
		10
		cassini/home/peter/bo/2022ss/bs/20220314> for x in $(seq 10); do echo $x; done
		1
		2
		3
		4
		5
		6
		7
		8
		9
		10
		cassini/home/peter/bo/2022ss/bs/20220314> for x in $(seq -f "%04g" 10); do echo $x; done
		0001
		0002
		0003
		0004
		0005
		0006
		0007
		0008
		0009
		0010
		cassini/home/peter/bo/2022ss/bs/20220314> for x in $(seq -f "%04g" 17 23); do echo $x; done
		0017
		0018
		0019
		0020
		0021
		0022
		0023
		cassini/home/peter/bo/2022ss/bs/20220314> echo cp -pi $(for x in $(seq -f "image-%04g.jpg" 17 23); do echo $x; done) sonstwohin/
		cp -pi image-0017.jpg image-0018.jpg image-0019.jpg image-0020.jpg image-0021.jpg image-0022.jpg image-0023.jpg sonstwohin/

20220328/for-2.txt

deleted100644 → 0

+0 −11

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> for ((i = 1 ; i <= 10 ; i++)); do echo $i; done
		1
		2
		3
		4
		5
		6
		7
		8
		9
		10

20220328/get-imgs-1.sh

deleted100755 → 0

+0 −11

Original line number	Diff line number	Diff line
		#!/bin/bash

		URL="https://www.sueddeutsche.de/projekte/artikel/politik/krieg-in-der-ukraine-e333697/"

		SUBPAGES=$(curl -Ssl "$URL" \
		\| grep -o "class=\"link svelte-1mm0cdc\" href=\"./.\">" \
		\| grep -o "https.*/")

		for x in $SUBPAGES; do
		echo $x
		done

20220328/get-imgs-2.sh

deleted100755 → 0

+0 −14

Original line number	Diff line number	Diff line
		#!/bin/bash

		URL="https://www.sueddeutsche.de/projekte/artikel/politik/krieg-in-der-ukraine-e333697/"
		TMPDIR=tmp

		SUBPAGES=$(curl -Ssl "$URL" \
		\| grep -o "class=\"link svelte-1mm0cdc\" href=\"./.\">" \
		\| grep -o "https.*/")

		mkdir "$TMPDIR"
		cd "$TMPDIR"
		for x in $SUBPAGES; do
		wget "$x"
		done

20220328/if-0.txt

deleted100644 → 0

+0 −11

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> cat test.txt
		Test
		cassini/home/peter/bo/2022ss/bs/20220314> grep Test test.txt
		Test
		cassini/home/peter/bo/2022ss/bs/20220314> grep Toast test.txt
		cassini/home/peter/bo/2022ss/bs/20220314> echo $?
		1
		cassini/home/peter/bo/2022ss/bs/20220314> grep Test test.txt
		Test
		cassini/home/peter/bo/2022ss/bs/20220314> echo $?
		0

20220328/if-1.txt

deleted100644 → 0

+0 −7

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> if grep Test test.txt; then echo "gefunden"; else echo "nicht gefunden"; fi
		Test
		gefunden
		cassini/home/peter/bo/2022ss/bs/20220314> if grep Test test.txt > /dev/null; then echo "gefunden"; else echo "nicht gefunden"; fi
		gefunden
		cassini/home/peter/bo/2022ss/bs/20220314> if grep -q Test test.txt; then echo "gefunden"; else echo "nicht gefunden"; fi
		gefunden

20220328/if-2.txt

deleted100644 → 0

+0 −5

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> if grep -q Test test.txt
		> then echo "gefunden"
		> else echo "nicht gefunden"
		> fi
		gefunden

20220328/if-3.sh

deleted100755 → 0

+0 −5

Original line number	Diff line number	Diff line
		if grep -q Test test.txt; then
		echo "gefunden"
		else
		echo "nicht gefunden"
		fi

20220328/if-3.txt

deleted100644 → 0

+0 −9

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> cat if-3.sh
		if grep -q Test test.txt; then
		echo "gefunden"
		else
		echo "nicht gefunden"
		fi
		cassini/home/peter/bo/2022ss/bs/20220314> chmod +x if-3.sh
		cassini/home/peter/bo/2022ss/bs/20220314> ./if-3.sh
		gefunden

20220328/ls-2.both

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt

20220328/ls.both

deleted100644 → 0

+0 −2

Original line number	Diff line number	Diff line
		ls: Zugriff auf 'bla.txt' nicht möglich: Datei oder Verzeichnis nicht gefunden
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt

20220328/ls.err

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		ls: Zugriff auf 'bla.txt' nicht möglich: Datei oder Verzeichnis nicht gefunden

20220328/ls.txt

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt

20220328/pipes-1.txt

deleted100644 → 0

+0 −29

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.bc
		1 + 1
		cassini/home/peter/bo/2022ss/bs/20220328> bc < test.bc
		2
		cassini/home/peter/bo/2022ss/bs/20220328> echo "2 + 2" \| bc
		4
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt
		Test
		Noch ein Test.
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt \| sed -e 's/Test/Toast/g'
		Toast
		Noch ein Toast.
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt \| gzip
		gzip: compressed data not written to a terminal. Use -f to force compression.
		For help, type: gzip -h
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt \| gzip -f
		7�Ab
		I-.��O�PH��s�d-cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt \| gzip \| gunzip
		Test
		Noch ein Test.
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt \| gzip \| cat \| gunzip
		Test
		Noch ein Test.
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt \| gzip > test.txt.gz
		cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt.gz
		w�Ab
		I-.��O�PH��s�d-cassini/home/peter/bo/2022ss/bs/20220328> cat test.txt.gz \| gunzip
		Test
		Noch ein Test.

20220328/pipes-2.txt

deleted100644 → 0

+0 −13

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> ls *.pdf
		bs-20220314.pdf logo-hochschule-bochum.pdf unix-20220314.pdf
		logo-hochschule-bochum-cvh-text.pdf Operating_system_placement-de.pdf
		cassini/home/peter/bo/2022ss/bs/20220314> ls *.pdf \| grep -v logo
		bs-20220314.pdf
		Operating_system_placement-de.pdf
		unix-20220314.pdf
		cassini/home/peter/bo/2022ss/bs/20220314> echo $(ls *.pdf \| grep -v logo)
		bs-20220314.pdf Operating_system_placement-de.pdf unix-20220314.pdf
		cassini/home/peter/bo/2022ss/bs/20220314> ls -l $(ls *.pdf \| grep -v logo)
		-rw-r--r-- 1 peter peter 132739 Mär 13 22:24 bs-20220314.pdf
		lrwxrwxrwx 1 peter peter 43 Apr 17 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		-rw-r--r-- 1 peter peter 149583 Mär 21 15:16 unix-20220314.pdf

20220328/redirection-1.txt

deleted100644 → 0

+0 −16

Original line number	Diff line number	Diff line
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt
		cassini/home/peter/bo/2022ss/bs/20220328> ls -l test.txt
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt
		cassini/home/peter/bo/2022ss/bs/20220328> ls -l test.txt bla.txt
		ls: Zugriff auf 'bla.txt' nicht möglich: Datei oder Verzeichnis nicht gefunden
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt
		cassini/home/peter/bo/2022ss/bs/20220328> ls -l test.txt bla.txt >> ls.txt
		ls: Zugriff auf 'bla.txt' nicht möglich: Datei oder Verzeichnis nicht gefunden
		cassini/home/peter/bo/2022ss/bs/20220328> ls -l test.txt bla.txt 2> ls.err
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt
		cassini/home/peter/bo/2022ss/bs/20220328> cat ls.err
		ls: Zugriff auf 'bla.txt' nicht möglich: Datei oder Verzeichnis nicht gefunden
		cassini/home/peter/bo/2022ss/bs/20220328> ls -l test.txt bla.txt > ls.both 2>&1
		cassini/home/peter/bo/2022ss/bs/20220328> cat ls.both
		ls: Zugriff auf 'bla.txt' nicht möglich: Datei oder Verzeichnis nicht gefunden
		-rw-r--r-- 1 peter peter 20 Mär 28 13:14 test.txt

20220328/test.bc

deleted100644 → 0

+0 −1

Original line number	Diff line number	Diff line
		1 + 1

20220328/test.txt

deleted100644 → 0

+0 −2

Original line number	Diff line number	Diff line
		Test
		Noch ein Test.

20220328/test.txt.gz

deleted100644 → 0

−38 B

File deleted.

View file

20220328/wildcards-1.txt

deleted100644 → 0

+0 −6

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220314> ls *.txt
		for-1.txt if-0.txt if-2.txt pipes-2.txt test.txt
		for-2.txt if-1.txt if-3.txt test-2.txt
		cassini/home/peter/bo/2022ss/bs/20220314> echo mv -i {for,if,pipes}-*.txt ../20220321/
		mv -i for-1.txt for-2.txt if-0.txt if-1.txt if-2.txt if-3.txt pipes-2.txt ../20220321/
		cassini/home/peter/bo/2022ss/bs/20220314> mv -i {for,if,pipes}-*.txt ../20220321/

20220328/wildcards-2.txt

deleted100644 → 0

+0 −15

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220321> ls *.txt
		for-1.txt if-0.txt if-2.txt pipes-2.txt test-2.txt test-4.txt
		for-2.txt if-1.txt if-3.txt test-1.txt test-3.txt wildcards-1.txt
		cassini/home/peter/bo/2022ss/bs/20220321> ls *.txt \| grep -v test
		for-1.txt
		for-2.txt
		if-0.txt
		if-1.txt
		if-2.txt
		if-3.txt
		pipes-2.txt
		wildcards-1.txt
		cassini/home/peter/bo/2022ss/bs/20220321> echo mv $(ls *.txt \| grep -v test) ../20220328/
		mv for-1.txt for-2.txt if-0.txt if-1.txt if-2.txt if-3.txt pipes-2.txt wildcards-1.txt ../20220328/
		cassini/home/peter/bo/2022ss/bs/20220321> mv $(ls *.txt \| grep -v test) ../20220328/

20220404/hello world 2.c

deleted120000 → 0

+0 −1

Original line number	Diff line number	Diff line
		hello-2.c
		No newline at end of file

20220404/hello world.c

deleted120000 → 0

+0 −1

Original line number	Diff line number	Diff line
		hello-1.c
		No newline at end of file

20220404/parameters-1.txt

deleted100644 → 0

+0 −16

Original line number	Diff line number	Diff line
		#!/bin/bash

		echo $*
		cassini/home/peter/bo/2022ss/bs/20220404> chmod +x parameters-1.sh
		cassini/home/peter/bo/2022ss/bs/20220404> ./parameters-1.sh

		cassini/home/peter/bo/2022ss/bs/20220404> ./parameters-1.sh foo bar bas
		foo bar bas
		cassini/home/peter/bo/2022ss/bs/20220404> ./parameters-1.sh foo bar baz
		foo bar baz
		cassini/home/peter/bo/2022ss/bs/20220404> ./parameters-1.sh "Dies ist ein Test." "Dies auch."
		Dies ist ein Test. Dies auch.
		cassini/home/peter/bo/2022ss/bs/20220404> ./parameters-1.sh "Dies ist ein Test." "Dies auch."
		Dies ist ein Test. Dies auch.
		cassini/home/peter/bo/2022ss/bs/20220404> ./parameters-1.sh foo bar baz
		foo bar baz

20220404/parameters-3.sh

deleted100755 → 0

+0 −6

Original line number	Diff line number	Diff line
		#!/bin/bash

		echo $#
		echo $*
		echo '$*'
		echo "$*"

20220404/parameters-3.txt

deleted100644 → 0

+0 −18

Original line number	Diff line number	Diff line
		#!/bin/bash

		echo $#
		echo $*
		echo '$*'
		echo "$*"
		cassini/home/peter/bo/2022ss/bs/20220404> ./parameters-3.sh
		0

		$*

		cassini/home/peter/bo/2022ss/bs/20220404> ./parameters-3.sh "Dies ist" "ein Test."
		2
		Dies ist ein Test.
		$*
		Dies ist ein Test.
		cassini/home/peter/bo/2022ss/bs/20220404> echo Dies ist ein Test.
		Dies ist ein Test.

20220404/parameters-4.sh

deleted100755 → 0

+0 −5

Original line number	Diff line number	Diff line
		#!/bin/bash

		for f in $*; do
		echo "Mache was mit der Datei \"$f\""
		done

20220404/parameters-4.txt

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Original line number	Diff line number	Diff line
		#!/bin/bash

		for f in $*; do
		echo "Mache was mit der Datei \"$f\""
		done
		cassini/home/peter/bo/2022ss/bs/20220404> ./parameters-4.sh hello*.c
		Mache was mit der Datei "hello-1.c"
		Mache was mit der Datei "hello-2.c"
		cassini/home/peter/bo/2022ss/bs/20220404> ln -s hello-1.c "hello world.c"
		cassini/home/peter/bo/2022ss/bs/20220404> ln -s hello-2.c "hello world 2.c"
		cassini/home/peter/bo/2022ss/bs/20220404> ls hello\ *.c
		'hello world 2.c' 'hello world.c'
		cassini/home/peter/bo/2022ss/bs/20220404> ./parameters-4.sh hello\ *.c
		Mache was mit der Datei "hello"
		Mache was mit der Datei "world"
		Mache was mit der Datei "2.c"
		Mache was mit der Datei "hello"
		Mache was mit der Datei "world.c"

20220404/parameters-5.sh

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Original line number	Diff line number	Diff line
		#!/bin/bash

		for f in "$*"; do
		echo "Mache was mit der Datei \"$f\""
		done

20220404/parameters-5.txt

deleted100644 → 0

+0 −10

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220404> cat parameters-5.sh
		#!/bin/bash

		for f in "$*"; do
		echo "Mache was mit der Datei \"$f\""
		done
		cassini/home/peter/bo/2022ss/bs/20220404> ./parameters-5.sh hello\ *.c
		Mache was mit der Datei "hello world 2.c hello world.c"
		cassini/home/peter/bo/2022ss/bs/20220404> ls hello\ *.c
		'hello world 2.c' 'hello world.c'

20220404/parameters-6.sh

deleted100755 → 0

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Original line number	Diff line number	Diff line
		#!/bin/bash

		for f in "$@"; do
		echo "Mache was mit der Datei \"$f\""
		done

20220404/parameters-6.txt

deleted100644 → 0

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Original line number	Diff line number	Diff line
		#!/bin/bash

		for f in "$@"; do
		echo "Mache was mit der Datei \"$f\""
		done
		cassini/home/peter/bo/2022ss/bs/20220404> ./parameters-6.sh hello\ *.c
		Mache was mit der Datei "hello world 2.c"
		Mache was mit der Datei "hello world.c"
		cassini/home/peter/bo/2022ss/bs/20220404> ./parameters-6.sh "Dies ist" "ein Test."
		Mache was mit der Datei "Dies ist"
		Mache was mit der Datei "ein Test."

20220404/parameters-7.sh

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Original line number	Diff line number	Diff line
		#!/bin/bash

		while [ -n "$1" ]; do
		echo "Mache was mit der Datei \"$1\""
		shift
		done

20220404/parameters-7.txt

deleted100644 → 0

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Original line number	Diff line number	Diff line
		#!/bin/bash

		while [ -n "$1" ]; do
		echo "Mache was mit der Datei \"$1\""
		shift
		done
		cassini/home/peter/bo/2022ss/bs/20220404> ./parameters-7.sh "Dies ist" "ein Test."
		Mache was mit der Datei "Dies ist"
		Mache was mit der Datei "ein Test."

20220404/vic-1.txt

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+0 −17

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2022ss/bs/20220404> file_template=$(ls -rt .c .cpp .sh .py .tex .diff 2>/dev/null \| tail -1)
		cassini/home/peter/bo/2022ss/bs/20220404> echo $file_template
		parameters-7.sh
		cassini/home/peter/bo/2022ss/bs/20220404> ls -rt .c .cpp .sh .py .tex .diff 2>/dev/null \| tail -1
		parameters-7.sh
		cassini/home/peter/bo/2022ss/bs/20220404> ls -rt .c .cpp .sh .py .tex .diff 2>/dev/null
		hello-1.c parameters-2.sh 'hello world.c' parameters-6.sh
		hello-2.c parameters-3.sh 'hello world 2.c' parameters-7.sh
		parameters-1.sh parameters-4.sh parameters-5.sh
		cassini/home/peter/bo/2022ss/bs/20220404> ls -rt .c .cpp .sh .py .tex .diff
		ls: Zugriff auf '*.cpp' nicht möglich: Datei oder Verzeichnis nicht gefunden
		ls: Zugriff auf '*.py' nicht möglich: Datei oder Verzeichnis nicht gefunden
		ls: Zugriff auf '*.tex' nicht möglich: Datei oder Verzeichnis nicht gefunden
		ls: Zugriff auf '*.diff' nicht möglich: Datei oder Verzeichnis nicht gefunden
		hello-1.c parameters-2.sh 'hello world.c' parameters-6.sh
		hello-2.c parameters-3.sh 'hello world 2.c' parameters-7.sh
		parameters-1.sh parameters-4.sh parameters-5.sh

20220404/vic-2.txt

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Original line number	Diff line number	Diff line
		#!/bin/bash

		debug=true

		if [ $# -gt 0 ]; then
		$debug && echo "parameters = $@"
		shift $(( $# - 1 ))
		file_template="$1"
		else
		file_template=$(ls -rt .c .cpp .sh .py .tex .diff 2>/dev/null \| tail -1)
		fi

		$debug && echo "file_template = $file_template"

		file_extension=$(echo $file_template \| sed -e 's/.\.$.$$/\1/')
		file_base=$(echo $file_template \| sed -e 's/$.$\..$/\1/')

		$debug && echo "file_extension = $file_extension"
		$debug && echo "file_base = $file_base"

		file_number=$(echo $file_base \| sed -e 's/^.-$[0-9]$$/\1/')
		file_stem=$(echo $file_base \| sed -e 's/^$.$-[0-9]$/\1/')

		$debug && echo "file_number = $file_number"
		$debug && echo "file_number = $file_stem"

		while [ -e "$file_stem-$file_number.$file_extension" ]; do
		file_number=$((file_number + 1))
		done
		new_file_name="$file_stem-$file_number.$file_extension"

		$debug && echo "new_file_name = $new_file_name" && read junk

		cp -pi "$file_template" "$new_file_name"
		#$EDITOR "$new_file_name"
		/usr/bin/vim -X -c 'set sw=2' -c 'set expandtab' -c 'set ai' -c 'set nowrap' \
		"$new_file_name"
		clear
		cat "$new_file_name"
		cassini/home/peter/bo/2022ss/bs/20220404> ./vic
		file_template = parameters-7.sh
		file_extension = sh
		file_base = parameters-7
		file_number = 7
		file_number = parameters
		new_file_name = parameters-8.sh
		^C

20220314/Operating_system_placement-de.pdf→20250324/Operating_system_placement-de.pdf

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File moved.

20250324/ausgabe-01.txt

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Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250324> echo "Hello, world!"
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250324> printf "Hello, world!"
		Hello, world!cassini/home/peter/bo/2025ss/bs/20250324> printf "Hello, world!\n"
		bash: !\n: event not found
		cassini/home/peter/bo/2025ss/bs/20250324> printf 'Hello, world!\n'
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250324>

20250324/ausgabe-02.txt

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+7 −0

Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250324> printf 'Hello, world!\n'
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250324> printf 'The answer is %d.\n' 42
		The answer is 42.
		cassini/home/peter/bo/2025ss/bs/20250324> printf 'The answer is %04d.\n' 137
		The answer is 0137.
		cassini/home/peter/bo/2025ss/bs/20250324>

20250324/ausgabe-03.txt

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		cassini/home/peter/bo/2025ss/bs/20250324> hello="Hello, world!"
		cassini/home/peter/bo/2025ss/bs/20250324> echo $hello
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250324> echo "$hello"
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250324> echo '$hello'
		$hello
		cassini/home/peter/bo/2025ss/bs/20250324>

20250324/ausrufezeichen-01.txt

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Original line number	Diff line number	Diff line
		cassini/home/peter/bo/2025ss/bs/20250324> !!
		cat >> ausgabe-01.txt
		^C
		cassini/home/peter/bo/2025ss/bs/20250324> echo "Hello, world!"
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250324> !!
		echo "Hello, world!"
		Hello, world!
		cassini/home/peter/bo/2025ss/bs/20250324> !\
		bash: !\: event not found
		cassini/home/peter/bo/2025ss/bs/20250324> \!
		bash: !: Kommando nicht gefunden.
		cassini/home/peter/bo/2025ss/bs/20250324>

20250324/ausrufezeichen-02.txt

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Original line number	Diff line number	Diff line
		aus "man bash":
		When the command history expansion facilities are being used (see HISTORY EXPANSION
		below), the history expansion character, usually !, must be quoted to prevent his‐
		tory expansion.

		cassini/home/peter/bo/2025ss/bs/20250324> !2
		bash: !2: event not found
		cassini/home/peter/bo/2025ss/bs/20250324> !ls
		ls -lrt
		insgesamt 420
		lrwxrwxrwx 1 peter peter 43 17. Apr 2016 Operating_system_placement-de.pdf -> ../common/Operating_system_placement-de.pdf
		lrwxrwxrwx 1 peter peter 22 13. Apr 2018 pgslides.sty -> ../common/pgslides.sty
		lrwxrwxrwx 1 peter peter 30 14. Mär 2023 fotos -> /home/peter/Photos/vorstellung
		lrwxrwxrwx 1 peter peter 48 24. Mär 08:11 logo-hochschule-bochum-cvh-text-v3.pdf -> ../common/logo-hochschule-bochum-cvh-text-v3.pdf
		lrwxrwxrwx 1 peter peter 46 24. Mär 08:12 logo-hochschule-bochum-de-narrow.pdf -> ../common/logo-hochschule-bochum-de-narrow.pdf
		-rw-r--r-- 1 peter peter 42617 24. Mär 08:34 bs-20250324.tex
		-rw-r--r-- 1 peter peter 111583 24. Mär 08:34 bs-20250324.pdf
		-rw-r--r-- 1 peter peter 19360 24. Mär 14:14 unix-20250324.tex
		-rw-r--r-- 1 peter peter 272 24. Mär 14:14 unix-20250324.vrb
		-rw-r--r-- 1 peter peter 0 24. Mär 14:14 unix-20250324.snm
		-rw-r--r-- 1 peter peter 6806 24. Mär 14:14 unix-20250324.aux
		-rw-r--r-- 1 peter peter 589 24. Mär 14:14 unix-20250324.toc
		-rw-r--r-- 1 peter peter 1200 24. Mär 14:14 unix-20250324.out
		-rw-r--r-- 1 peter peter 4242 24. Mär 14:14 unix-20250324.nav
		-rw-r--r-- 1 peter peter 58120 24. Mär 14:14 unix-20250324.log
		-rw-r--r-- 1 peter peter 128817 24. Mär 14:15 unix-20250324.pdf
		-rw-r--r-- 1 peter peter 5853 24. Mär 14:22 unix-baukasten-01.txt
		-rw-r--r-- 1 peter peter 8626 24. Mär 14:24 unix-optionen-01.txt
		-rw-r--r-- 1 peter peter 372 24. Mär 14:25 ausgabe-01.txt
		-rw-r--r-- 1 peter peter 419 24. Mär 14:28 ausrufezeichen-01.txt

20250324/bs-20250324.pdf

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