+#!/usr/bin/env bash
+# Desc: Reads stdin
+
+yell() { echo "$0: $*" >&2; } # print script path and all args to stderr
+die() { yell "$*"; exit 111; } # same as yell() but non-zero exit status
+must() { "$@" || die "cannot $*"; } # runs args as command, reports args if command fails
+read_stdin() {
+ # Desc: Consumes stdin; outputs as stdout lines
+ # Input: stdin (consumes)
+ # Output: stdout (newline delimited)
+ # Example: printf "foo\nbar\n" | read_stdin
+ # Depends: GNU bash (version 5.1.16)
+ # Version: 0.0.1
+ local input_stdin output;
+
+ # Store stdin
+ if [[ -p /dev/stdin ]]; then
+ input_stdin="$(cat -)";
+ fi;
+
+ # Store as output array elements
+ ## Read in stdin
+ if [[ -n $input_stdin ]]; then
+ while read -r line; do
+ output+=("$line");
+ done < <(printf "%s\n" "$input_stdin");
+ fi;
+
+ # Print to stdout
+ printf "%s\n" "${output[@]}";
+}; # read stdin to stdout lines
+main() {
+ read_stdin "$@";
+};
+
+main "$@";