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Add string split0

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This adds a new string command split0, which splits on zero bytes.
split0 has superpowers because its output is not further split on
newlines when used in command substitutions.
This commit is contained in:
ridiculousfish
2018-05-29 21:11:50 -07:00
parent f998afaa23
commit d34a300818
6 changed files with 115 additions and 61 deletions
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18
tests/string.in
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@@ -340,4 +340,22 @@ printf 'a\0b' | string replace -r b g | string escape
# TODO: These do not yet work!
# printf 'a\0b' | string match '*b' | string escape
logmsg string split0
count (echo -ne 'abcdefghi' | string split0)
count (echo -ne 'abc\x00def\x00ghi\x00' | string split0)
count (echo -ne 'abc\x00def\x00ghi\x00\x00' | string split0)
count (echo -ne 'abc\x00def\x00ghi' | string split0)
count (echo -ne 'abc\ndef\x00ghi\x00' | string split0)
count (echo -ne 'abc\ndef\nghi' | string split0)
logmsg string split0 in functions
# This function outputs some newline-separated content, and some
# explicitly separated content.
function dualsplit
echo alpha
echo beta
echo -ne 'gamma\x00delta' | string split0
end
count (dualsplit)
exit 0