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chore(kb/fish): note down process substitution
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@@ -27,6 +27,12 @@ chsh -s "$(which fish)" # from `{ba,z}sh`
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# Open the web-based configuration interface.
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fish_config
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fish_config browse
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# Process substitution.
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# What in BASH or ZSH would be `<(echo …)`.
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diff -y -W 200 \
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(aws … --output 'json' | psub) \
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(aws … --output 'json' | psub)
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```
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## Configuration
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