Write scripts in fish's own language, with builtins for string handling, math and file paths (string, math, path).
Limit Not POSIX sh compatible: bash scripts need changes to run in fish.
Shell scripting
2 open-source tools on osfeed do this, in 2 ways. Each entry says how, and where it falls short. Read the tool's page before you rely on it.
Pipe commands that output tables and records, and filter, sort and reshape them by column.
Limit The project calls itself minimum-viable-product quality; some commands may be unstable.
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