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remove dependency on xxd

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Fixes #3797
This commit is contained in:
Kurtis Rader
2017-01-31 18:44:02 -08:00
parent 2b13472419
commit 44cfe3e340
8 changed files with 43 additions and 26 deletions
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tests/test_functions/display_bytes.fish Normal file
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# This is needed because GNU and BSD implementations of `od` differ in the whitespace they emit.
# In the past we used the `xxd` command which doesn't suffer from such idiosyncrasies but it isn't
# available on some systems unless you install the Vim editor. Whereas `od` is pretty much
# universally available. See issue #3797.
#
# We use the lowest common denominator format, `-b`, because it should work in all implementations.
# I wish we could use the `-t` flag but it isn't available in every OS we're likely to run on.
#
function display_bytes
od -b | sed -e 's/ */ /g' -e 's/ *$//'
end