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60 lines
1.5 KiB
Bash
60 lines
1.5 KiB
Bash
#!/bin/bash
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#change time using hwclock and date -s
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clear
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echo -e -n "Please enter the date and time you wish to set\n"
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get_date () {
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echo -e -n "enter the $1 please ($2-$3) (enter for $2)\n"
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read -n $4 value
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echo -e "\n"
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#if enter
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if [[ $value = "" ]]; then
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value=$2
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fi
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#must be a $4 digits number between $2 and $3
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while [[ ! $value =~ ^[0-9]{$4} ]] || [[ ${value#0} -lt $2 ]] || [[ ${value#0} -gt $3 ]];
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do
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echo -e -n "wrong $1, you enter "$value" please enter it again, must be a $4 digits number between $2 and $3 (press enter for $2) \n"
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read -n $4 value
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echo -e "\n"
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if [[ $value = "" ]]; then
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value=$2
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fi
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done
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}
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get_date "year" "2024" "2200" "4"
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year=$value
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get_date "month" "01" "12" "2"
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month=$value
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get_date "day" "01" "31" "2"
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day=$value
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get_date "hour" "00" "23" "2"
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hour=$value
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get_date "min" "00" "59" "2"
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min=$value
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get_date "sec" "00" "59" "2"
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sec=$value
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##getting the output of date -s
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OUTPUT=$(date -s "$year-$month-$day $hour:$min:$sec" 2>&1)
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##if output is starting with the letter d which is the beginning of the error message then we do the script again
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if [[ ${OUTPUT} == d* ]]; then
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echo "The date is not correct, press any key to set it again"
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echo -e "\n"
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read -n 1 noting
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clear
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change-time
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else
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hwclock -w
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echo -e "the date has been sucessfully set to $year-$month-$day $hour:$min:$sec"
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echo -e "\n"
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echo -e "press any key to return to the menu"
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echo -e "\n"
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read -n 1 nothing
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fi |