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59 lines
1.3 KiB
59 lines
1.3 KiB
#!/usr/bin/env miaou-bash
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function array_new {
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ref_name="$1"
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shift
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[[ -v nested_count ]] && ((nested_count++)) || nested_count=1
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nested_name="nested_$nested_count"
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declare -ga "$nested_name"
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declare -gn "$ref_name"="$nested_name"
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local -n internal="$nested_name"
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internal+=("$@")
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}
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function array_inspect {
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local ref prefix i
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declare -n ref="$1"
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prefix="${2:-}"
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echo "${prefix}array '$1' contains ${#ref[@]} elements"
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for i in "${ref[@]}"; do
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if [[ -R $i ]]; then
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array_inspect "$i" "${prefix} => "
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else
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echo "${prefix}-> $i"
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fi
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done
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echo "${prefix}----"
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}
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# initialization
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array_new mine1 'Albert' 20
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array_new mine2 'Bob' 24
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array_new mine3 'Conrad' 31 true
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array_new nested mine1 mine2 mine3
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array_inspect nested
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# change values
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mine1+=(false)
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: "$mine3" # pseudo use fix shellcheck issue
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mine3[1]=$((mine3[1] + 8))
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mine3[2]=false
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array_inspect nested
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# nested twice
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declare -n other="${nested[1]:?}" # ':?' fix shellcheck issue
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: "${other}" # pseudo use fix shellcheck issue
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array_inspect other
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array_new mine4 'Darryl' 30
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other+=(mine4)
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array_inspect nested
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# nested_new nested1 mine1 mine2 mine3
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# nested_inspect nested1
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#
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# # change nested values
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# declare -n first="${nested1[0]:?}" # ':?' fix shellcheck issue
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# first+=("nope")
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# first[1]=$((first[1] + 5))
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# nested_inspect nested1
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