Solution for reversing a linked list in bash

reverse-linked-list.sh

#!/usr/bin/env bash

# Where input.txt is:
# a>b
# b>c
# c>d
# d>e

paste -d '>' <(< input.txt | cut -d'>' -f2 | tac) <(< input.txt | cut -d'>' -f1 | tac)

# Output:
# e>d
# d>c
# c>b
# b>a