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#compdef shred gshred
_arguments -s -S : \
'(: * -)--help[display help information]' \
'(: * -)--version[display version information]' \
'(-f --force)'{-f,--force}'[bypass lack of write permissions]' \
'(-n --iterations)'{-n+,--iterations=}'[specify number of overwrites]:overwrites [3]' \
'--random-source=[get random bytes from specified file]:random source file:_files' \
'(-s --size)'{-s+,--size=}'[shred specified number of bytes]:bytes' \
'(--remove)-u[deallocate and remove file after overwriting]' \
'(-u)--remove=-[like -u, or specify how to remove]::how to remove [wipesync]:((
unlink\:"use standard unlink call"
wipe\:"like unlink, but obfuscate bytes in name first"
wipesync\:"like wipe, but sync each obfuscated byte to disk"
))' \
'(-v --verbose)'{-v,--verbose}'[display progress]' \
'(-x --exact)'{-x,--exact}'[do not round file sizes up to nearest block]' \
'(-z --zero)'{-z,--zero}'[add final overwrite with zeros]' \
'*: :_files'
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