mirror of
https://github.com/bol-van/zapret.git
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55 lines
1.1 KiB
Bash
55 lines
1.1 KiB
Bash
read_yes_no() {
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# $1 - default (Y/N)
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local A
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read A
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[ -z "$A" ] || ([ "$A" != "Y" ] && [ "$A" != "y" ] && [ "$A" != "N" ] && [ "$A" != "n" ]) && A=$1
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[ "$A" = "Y" ] || [ "$A" = "y" ] || [ "$A" = "1" ]
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}
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ask_yes_no() {
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# $1 - default (Y/N or 0/1)
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# $2 - text
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local DEFAULT=$1
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[ "$1" = "1" ] && DEFAULT=Y
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[ "$1" = "0" ] && DEFAULT=N
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[ -z "$DEFAULT" ] && DEFAULT=N
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printf "$2 (default: $DEFAULT) (Y/N)?"
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read_yes_no "$DEFAULT"
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}
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ask_yes_no_var() {
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# $1 - variable name for answer: 0/1
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# $2 - text
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local DEFAULT
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eval DEFAULT="\$$1"
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if ask_yes_no "$DEFAULT" "$2"; then
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eval "$1"=1
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else
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eval "$1"=0
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fi
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}
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ask_list() {
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# $1 - mode var
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# $2 - space separated value list
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# $3 - (optional) default value
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local M_DEFAULT
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eval M_DEFAULT="\$$1"
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local M_ALL=$M_DEFAULT
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local M=""
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local m
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[ -n "$3" ] && { find_str_in_list "$M_DEFAULT" "$2" || M_DEFAULT="$3"; }
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n=1
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for m in $2; do
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echo $n: "$m"
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n=$(($n + 1))
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done
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printf "your choice (default : $M_DEFAULT) : "
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read m
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[ -n "$m" ] && M=$(echo "$2" | cut -d ' ' -f"$m" 2>/dev/null)
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[ -z "$M" ] && M="$M_DEFAULT"
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echo selected: "$M"
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eval "$1"="\"$M\""
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[ "$M" != "$M_OLD" ]
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}
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