--- /dev/null
+#!/bin/bash
+
+read_stdin() {
+ # Desc: Consumes stdin; outputs as stdout lines
+ # Input: stdin (consumes)
+ # Output: stdout (newline delimited)
+ # return 0 stdin read
+ # return 1 stdin not present
+ # Example: printf "foo\nbar\n" | read_stdin
+ # Depends: GNU bash (version 5.1.16), GNU Coreutils 8.32 (cat)
+ # Version: 0.1.1
+ # Attrib: Steven Baltakatei Sandoval (2024-01-29). reboil.com
+ local input_stdin output;
+
+ # Store stdin
+ if [[ -p /dev/stdin ]]; then
+ input_stdin="$(cat -)" || {
+ echo "FATAL:Error reading stdin." 1>&2; return 1; };
+ else
+ return 1;
+ 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" "$input_stdin") || {
+ echo "FATAL:Error parsing stdin."; return 1; };
+ fi;
+
+ # Print to stdout
+ printf "%s\n" "${output[@]}";
+
+ return 0;
+}; # read stdin to stdout lines
+remove_leading_zeroes() {
+ # Desc: Removes leading zeroes from lines
+ # Input: stdin
+ # Output: stdout
+ # Depends: BK-2020-03 read_stdin()
+ # Version: 0.0.1
+ while read -r line; do
+ printf "%s\n" "$line" | sed -E -e 's/(^0*)([0-9].*)/\2/';
+ done < <(read_stdin);
+};
+
+printf "00000.jpg\n0001.jpg\n2.jpg\n000003.jpg\n0010.jpg\n";
+printf "========================\n";
+printf "00000.jpg\n0001.jpg\n2.jpg\n000003.jpg\n0010.jpg\n" | remove_leading_zeroes;
+