fish-shell/share/functions/__fish_print_encodings.fish

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function __fish_print_encodings -d "Complete using available character encodings"
if iconv --usage &>/dev/null # only GNU has this flag
# Note: GNU iconv changes its output to contain the forward slashes below when stdout is not a tty.
iconv --list | string replace -ra '//' ''
else # non-GNU
iconv --list | string replace -ra '\s+' '\n'
end
end