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<div name="messageBodySection" style="font-size: 14px; font-family: -apple-system, BlinkMacSystemFont, sans-serif;">Slight wonkiness in mmcrfs script that spits this out \u2014subblocks-per-full-block as an invalid option.
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<div>No worky:<br />
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<div><font face="Courier">    777         subblocks-per-full-block )</font></div>
<div><font face="Courier">    778           if [[ -z $optArg ]]</font></div>
<div><font face="Courier">    779           then</font></div>
<div><font face="Courier">    780             # The expected argument is not in the same string as its</font></div>
<div><font face="Courier">    781             # option name.  Get it from the next token.</font></div>
<div><font face="Courier">    782             eval optArg="\${$OPTIND}"</font></div>
<div><font face="Courier">    783             [[ -z $optArg ]] &&  \</font></div>
<div><font face="Courier">    784               syntaxError "missingValue" $noUsageMsg "--$optName_lc"</font></div>
<div><font face="Courier">    785             shift 1</font></div>
<div><font face="Courier">    786           fi</font></div>
<div><font face="Courier">    787           [[ -n $subblocksPerFullBlockOpt ]] &&  \</font></div>
<div><font face="Courier">    788             syntaxError "multiple" $noUsageMsg "--$optName_lc"</font></div>
<div><font face="Courier">    789           subblocksPerFullBlockOpt="--$optName_lc"</font></div>
<div><font face="Courier">    790</font></div>
<div><font face="Courier">    791           nSubblocksArg=$(checkIntRange --subblocks-per-full-block $optArg 32 8192)</font></div>
<div><font face="Courier">    792           [[ $? -ne 0 ]] && syntaxError nomsg $noUsageMsg</font></div>
<div><font face="Courier">    793           tscrfsParms="$tscrfsParms --subblocks-per-full-block $nSubblocksArg"</font></div>
<div><font face="Courier">    794           ;;</font></div>
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<div><br /></div>
<div>Worky:</div>
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<div><font face="Courier">    777         subblocks-per-full-block )</font></div>
<div><font face="Courier">    778           if [[ -z $optArg ]]</font></div>
<div><font face="Courier">    779           then</font></div>
<div><font face="Courier">    780             # The expected argument is not in the same string as its</font></div>
<div><font face="Courier">    781             # option name.  Get it from the next token.</font></div>
<div><font face="Courier">    782             eval optArg="\${$OPTIND}"</font></div>
<div><font face="Courier">    783             [[ -z $optArg ]] &&  \</font></div>
<div><font face="Courier">    784               syntaxError "missingValue" $noUsageMsg "--$optName_lc"</font></div>
<div><font face="Courier">    785             shift 1</font></div>
<div><font face="Courier">    786           fi</font></div>
<div><font face="Courier">    787           #[[ -n $subblocksPerFullBlockOpt ]] &&  \</font></div>
<div><font face="Courier">    788           [[ -n $nSubblocksArg  ]] &&  \</font></div>
<div><font face="Courier">    789             syntaxError "multiple" $noUsageMsg "--$optName_lc"</font></div>
<div><font face="Courier">    790           #subblocksPerFullBlockOpt="--$optName_lc"</font></div>
<div><font face="Courier">    791           nSubblocksArg="--$optName_lc"</font></div>
<div><font face="Courier">    792</font></div>
<div><font face="Courier">    793           nSubblocksArg=$(checkIntRange --subblocks-per-full-block $optArg 32 8192)</font></div>
<div><font face="Courier">    794           [[ $? -ne 0 ]] && syntaxError nomsg $noUsageMsg</font></div>
<div><font face="Courier">    795           tscrfsParms="$tscrfsParms --subblocks-per-full-block $nSubblocksArg"</font></div>
<div><font face="Courier">    796           ;;</font></div>
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<div>Looks like someone got halfway through the variable change \u201c<span style="font-family: Courier;">subblocksPerFullBlockOpt" </span><font face="Arial">is referenced elsewhere in the script:</font></div>
<div><font face="Arial"><br /></font></div>
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<div><font face="Courier">if [[ -z $forceOption ]]</font></div>
<div><font face="Courier">then</font></div>
<div><font face="Courier">  [[ -n $fflag ]] &&  \</font></div>
<div><font face="Courier">    syntaxError "invalidOption" $usageMsg "$fflag"</font></div>
<div><font face="Courier">  [[ -n $subblocksPerFullBlockOpt ]] &&  \</font></div>
<div><font face="Courier">    syntaxError "invalidOption" $usageMsg "$subblocksPerFullBlockOpt"</font></div>
<div><font face="Courier">fi</font></div>
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<div><font face="Arial">...so this is probably naughty on my behalf.</font></div>
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<div><span style="font-family: Courier;"><br /></span></div>
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<div name="messageSignatureSection" style="font-size: 14px; font-family: -apple-system, BlinkMacSystemFont, sans-serif;"><br />
Kind Regards,
<div>Barry Evans</div>
<div>CTO/Co-Founder</div>
<div>Pixit Media Ltd</div>
<div>+44 7950 666 248</div>
<div>bevans@pixitmedia.com</div>
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