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hi, when i type in a value higher than 20 it will show me the validation but if i put a negative figure it just goes goes blank where i just keep typing and nothing happens so i had to control c to...

hello, i am trying to put users2 information to file appraisalrecord, however it is not working and i tried everything. overall, i just want to show that when they enter the user number it will...

im using unix and the error is that it wont execute it so it just shows the text "press any key to return to main menu" and finishes like that.

need help, trying make a command where the user presses any keys and it will go to the home page, however it doesnt work, why ?
echo -p "press any key to return to main menu" menu
if [[ $menu -gt 1...

#!/bin/bashi
function userrecord() {
read -p "please enter a number: " a
clear
output=$(grep -w "$a" appraisalrecord)
b=$(echo $a | tr -dc [:digit:])
if [[ "$a" = "$b" ]]; then
echo -e...

I am trying to allow the user to be notified that the id has already taken from the file "record" and that the user has to contain a numerical figure as well. however when i run it, it will only stay...