bash_options

#!/bin/bash

# Bash options.
# https://www.gnu.org/software/bash/manual/bashref.html#The-Shopt-Builtin

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# Enable `vi` editing mode.
# https://www.gnu.org/savannah-checkouts/gnu/bash/manual/bash.html#Readline-vi-Mode

set -o vi

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# Automatically prepend `cd` to directory names.

shopt -s autocd

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# Autocorrect typos in path names when using the `cd` command.

shopt -s cdspell

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# Check the window size after each command and, if necessary, update
# the values of `LINES` and `COLUMNS`.

shopt -s checkwinsize

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# Save all lines of a multiple-line command in the same history entry.

shopt -s cmdhist

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# Include filenames beginning with a "." in the filename expansion.

shopt -s dotglob

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# Use extended pattern matching features.

shopt -s extglob

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# Append to the history file rather then overwriting it.

shopt -s histappend

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# Do not attempt to search the PATH for possible completions when
# completion is attempted on an empty line.

shopt -s no_empty_cmd_completion

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# Match filenames in a case-insensitive fashion when performing
# filename expansion.

shopt -s nocaseglob