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+## Source POSIX interactive shell startup scripts

+for path in "$HOME/.shrc.d/"*".sh"

+do

+  if [ -r "$path" ]

+  then

+    . "$path"

+  fi

+done

+unset path

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+# Disable flow control (usually Ctrl-S/Ctrl-Q). (`stty` is POSIX, but not

+# everything is POSIX...)

+if [ "$(command -v stty)" ]

+then

+  stty -ixon

+fi

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+# POSIX specifies that `ed` is used for `fc -e` if `FCEDIT` this is null or

+# unset. Use something *slightly* newer.

+FCEDIT=vi