java-tutorials/linux-bash/read/src/main/bash/read_inputs.sh

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Bash
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#!/bin/bash
# section 2.1
default_read(){
read input1 input2 input3
echo "[$input1] [$input2] [$input3]"
}
# section 2.2
custom_ifs_no_array(){
IFS=";"
read input1 input2 input3
echo "[$input1] [$input2] [$input3]"
}
# Section 2.3
prompt_read_password(){
prompt="You shall not pass:"
read -p "$prompt" -s input
echo -e "\ninput password [$input]"
}
array_read(){
declare -a input_array
text="baeldung is a cool tech site"
read -e -i "$text" -a input_array
for input in ${input_array[@]}
do
echo " word [$input]"
done
}
# section 3.1
file_read(){
exec {file_descriptor}<"./file.csv"
declare -a input_array
delimiter=";"
while IFS="," read -a input_array -d $delimiter -u $file_descriptor
do
echo "${input_array[0]},${input_array[2]}"
done
exec {file_descriptor}>&-
}
# section 3.2
command_pipe(){
ls -ll | { declare -a input
read
while read -a input;
do
echo "${input[0]} ${input[8]}"
done }
}
# section 3.3
timeout_input_read(){
prompt="You shall not pass:"
read -p "$prompt" -s -r -t 5 input
if [ -z "$input" ]; then
echo -e "\ntimeout occured!"
else
echo -e "\ninput word [$input]"
fi
}
exactly_n_read(){
prompt="Reading exactly 11 chars:"
read -p "$prompt" -N 11 -t 5 input1 input2
echo -e "\ninput word1 [$input1]"
echo "input word2 [$input2]"
}