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815a66d808 |
2
arrays/.gitignore
vendored
2
arrays/.gitignore
vendored
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*.bak
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#! /usr/bin/bash
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# File: access.sh
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# Array of numbers
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fib=(0 1 2 3 5 8)
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#Array of Strings
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family=("Marge","Homer","Bart","Lisa","Maggie")
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# outputs only element 0
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echo "fib=${fib}"
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# output the whole array
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echo "fib=${fib[@]}"
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#output element by index
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echo "fib[4]=${fib[4]}"
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#! /usr/bin/bash
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family=("Marge" "Homer" "Bart" "Lisa" "Maggie")
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echo "Länge family,vorher: ${#family[@]}"
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family+=(Herb) # Element anfügen.
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echo "family=${family[@]}"
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echo "Länge family,nachher: ${#family[@]}"
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#! /usr/bin/bash
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declare -A family
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family=([father]="Homer" [mother]="Marge" [son]="Bart" [daughter]="Lisa" [baby]="Maggie")
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echo "Iterating through associative array using while loop:"
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while IFS= read -r key && IFS= read -r value <&3; do
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echo "Key: $key, Value: $value"
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done < <(printf '%s\n' "${!family[@]}") 3< <(printf '%s\n' "${family[@]}")
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#! /usr/bin/bash
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# File: create.sh
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a1=(0 1 2 3 4)
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family=("Marge" "Homer" "Bart" "Lisa" "Maggie")
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echo "a1=${a1[@]}"
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echo "family=${family[@]}"
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echo "Länge family: ${#family[@]}"
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#! /usr/bin/bash
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# File: declare.sh
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declare -a sbc
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sbc[0]="Raspberry Pi"
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echo "Länge sbc: ${#sbc[@]}"
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echo "sbc=${sbc[@]}"
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sbc[1]="Orange Pi"
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echo "Länge sbc: ${#sbc[@]}"
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echo "sbc=${sbc[@]}"
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sbc[2]="Banana Pi"
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echo "Länge sbc: ${#sbc[@]}"
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echo "sbc=${sbc[@]}"
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#! /usr/bin/bash
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# File: iterate.sh
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# Array of numbers
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fib=(0 1 2 3 5 8)
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#Array of Strings
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family=("Marge" "Homer" "Bart" "Lisa" "Maggie")
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# Einfache for Schleife
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for name in "${family[@]}"
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do
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echo "for: name=${name}"
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done
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echo "---"
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# C-ähnliche Schleife im Index
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len=${#family[@]}
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for ((i=0;i < len; i++));do
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echo "for-i: name=${family[i]},i= ${i}"
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done
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echo "---"
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# while Schleife
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counter=0
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while [ ${counter} -lt ${len} ]; do
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echo "while: name=${family[counter]},counter=${counter}"
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((counter++))
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done
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echo "---"
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# until Schleife
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counter=0
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until [ $counter -ge $len ]; do
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echo "until: ${family[counter]}"
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((counter++))
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done
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#! /usr/bin/bash
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# File: length.sh
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a1=(0 1 2 3 4 5)
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family=("Marge" "Homer" "Bart" "Lisa" "Maggie")
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echo "Größe family: ${#family[@]}"
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echo "Größe a1: ${#a1[@]}"
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#! /usr/bin/bash
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family=("Marge" "Homer" "Bart" "Lisa" "Maggie")
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neighbours=("Ned" "Maude" "Todd" "Rod")
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echo "family=${family[@]}"
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echo "Länge family: ${#family[@]}"
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echo "neighbours=${neighbours[@]}"
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echo "Länge neighbours: ${#neigbours[@]}"
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merged=(${family[@]} ${neighbours[@]})
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echo "merged=${merged[@]}"
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echo "Länge merged: ${#merged[@]}"
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#! /usr/bin/bash
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# Datei: power.sh
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declare -A power
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# 1. Zeile (Orange Pi Zero 2W), x-Index: 0
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power[0,0]="Orange Pi Zero 2W"
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power[0,1]="1,014"
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power[0,2]="1,99"
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# 2. Zeile (Banana Pi BPI-F3) x-Index: 1
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power[1,0]="Banana Pi BPI-F3"
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power[1,1]="3,6"
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power[1,2]="6,8"
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# 3. Zeile (Raspberry Pi 16GB), x-Index: 2
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power[2,0]="Raspberry Pi 16GB"
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power[2,1]="2,25"
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power[2,2]="8,0"
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# 4. Zeile (Radxa Zero), x-Index: 3
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power[3,0]="Radxa Zero"
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power[3,1]="-"
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power[3,2]="-"
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# 2. Spalte: Stromaufnahme Leerlauf
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printf "%-25s %-10s %-10s\n" "SBC" "idle" "load"
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for ((x=0; x<4; x++))
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do
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printf "%-20s %-10s %-10s\n" "${power[${x},0]}" "${power[${x},1]}W" "${power[${x},2]}W"
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done
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#! /usr/bin/bash
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family=("Marge" "Homer" "Bart" "Lisa" "Maggie")
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echo "Länge family,vorher: ${#family[@]}"
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unset family[2]
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echo "family=${family[@]}"
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echo "Länge family,nachher: ${#family[@]}"
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@@ -1,6 +0,0 @@
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#! /usr/bin/bash
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family=("Marge" "Homer" "Bart" "Lisa" "Maggie")
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echo "Kinder: ${family[@]:2:4}"
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echo "Eltern: ${family[@]:0:2}"
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#! /usr/bin/bash
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family=("Marge" "Homer" "Bart" "Lisa" "Maggie")
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neighbours=("Ned" "Maude" "Todd" "Rod")
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echo "family=${family[@]}"
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echo "Länge family: ${#family[@]}"
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echo "neighbours=${neighbours[@]}"
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echo "Länge neighbours: ${#neigbours[@]}"
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merged=(${family[@]} ${neighbours[@]})
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echo "merged=${merged[@]}"
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echo "Länge merged: ${#merged[@]}"
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# sorting the merged array
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sorted=($(printf "%s\n" "${merged[@]}" | sort -n))
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echo "sorted=${sorted[@]}"
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1
teil24/.gitignore
vendored
1
teil24/.gitignore
vendored
@@ -1 +1,2 @@
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*.bak
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@@ -1,70 +0,0 @@
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#!/bin/bash
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display_help() {
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echo "Usage: ${0} [options]"
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echo "Options:"
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echo " -h, --help Show this help message"
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echo " -v, --verbose Enable verbose mode"
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echo " -f, --file <file> Specify a file"
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echo " -n, --number <num> Specify a number (default: 42)"
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}
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# Universelle Parameterparser-Funktion
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parse_args() {
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POSITIONAL=()
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while [[ $# -gt 0 ]]; do
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case "$1" in
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-h|--help)
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display_help "$@"
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exit 0
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;;
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-v|--verbose)
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VERBOSE=true
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shift
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;;
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-f|--file)
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if [[ -z "$2" || "$2" == -* ]]; then
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echo "Error: --file requires a non-empty argument."
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exit 1
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fi
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FILE="$2"
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shift 2
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;;
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-n|--number)
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if [[ -z "$2" || "$2" == -* ]]; then
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echo "Error: --number requires a non-empty argument."
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exit 1
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fi
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NUMBER="$2"
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shift 2
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;;
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--) # Explicit end of options
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shift
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break
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;;
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-*) # Unknown option
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echo "Error: Unknown option $1"
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exit 1
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;;
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*) # Positional argument
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POSITIONAL+=("$1")
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shift
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;;
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esac
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done
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set -- "${POSITIONAL[@]}" # Restore positional parameters
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# Defaults
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VERBOSE="${VERBOSE:-false}"
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NUMBER="${NUMBER:-42}"
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}
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# Aufruf der Funktion mit allen Skriptargumenten
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parse_args "$@"
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# Beispielnutzung
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echo "Verbose mode: $VERBOSE"
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echo "File: ${FILE:-<not set>}"
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echo "Number: $NUMBER"
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echo "Positional arguments: $@"
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Reference in New Issue
Block a user