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# Bash library for bash-completion DejaGnu testsuite
# @param $1 Char to add to $COMP_WORDBREAKS
add_comp_wordbreak_char() {
[[ "${COMP_WORDBREAKS//[^$1]}" ]] || COMP_WORDBREAKS+=$1
} # add_comp_wordbreak_char()
# Diff environment files to detect if environment is unmodified
# @param $1 File 1
# @param $2 File 2
# @param $3 Additional sed script
diff_env() {
diff "$1" "$2" | sed -e "
# Remove diff line indicators
/^[0-9,]\{1,\}[acd]/d
# Remove diff block separators
/---/d
# Remove underscore variable
/[<>] _=/d
# Remove PPID bash variable
/[<>] PPID=/d
# Remove BASH_REMATCH bash variable
/[<>] BASH_REMATCH=/d
# Remove functions starting with underscore
/[<>] declare -f _/d
$3"
} # diff_env()
# Output array elements, sorted and separated by newline
# Unset variable after outputting.
# @param $1 Name of array variable to process
echo_array() {
local name=$1[@]
printf "%s\n" "${!name}" | sort
} # echo_array()
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