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Mass Duplication Of Files Onto External USB Storage

Journal by cafebabe

In response to SID22548, CID596405, regarding quick duplication of files onto external USB storage, I wrote a utility for this purpose. Buy some 10 port USB hubs or suchlike. Buy required storage. Run utility and mount first batch of USB storage units. Press return key. When prompted, unmount storage. Press return key. Repeat as required.

The utility makes several assumptions including where storage appears in a filing system, available storage on external volumes and handling of special filehandes (if any). For efficient use, it also assumes that disk buffers are sufficiently large for parallel copying to multiple volumes. (Copying may be exceptionally slow if available buffers are exceeded.) It also assumes that sync is a reliable checkpoint operation and this is known to be a fraught assumption.

begin 644 duplicate.pl.gz
M'XL(`'_L%%H"`ZU4WV_;-A!^UU]Q<;1(6AI3\I*UBZ-T6S,,`88^)-WV$&<`
M+=$Q$8G42*J.T;I_^X[4S[@;5F#SB\6[[[X['K^[PP-2:T667)"*J0).?O>\
M0[@U4M$'!E=U5?",&BX%W&:*5P:=7!@F<I;#2BK(N3:*+VL'D2M8\8)IP.]?
M;W\$W=)0#3G3&+_$*"Y@;4RESPG1<ELP803;Z*E4#R2398EG/:V*UYKGZ6QV
M=OKJ*,.OL^^^/8W/#EO`1M$*"PG?1+,X>0GOU@S>2*&E,KPNI_8"UIXDR2LL
M@2KC>;I>0D45+>&#!U`IO`/<OKOZZ>8&)GY\#K7&.L_!CX%4U*R)D5A<K3)&
M<JY8AO?8PEWOHK61I:R%&;SW"S&9(S5[XB:<17-OUR3-UBQ[=$E]Q*9ZS5?&
MXO@J/#AASA@Y=U?5Q":!P#H"R"4V4TAC:;69MCG:+-]$]K#KR/)_(^,-55_R
M'MWI<SKUA72*T9PN"[;'=M:S*69J)?J&+&GV:'C7DZS,AY[X"$V#P'[*BHGP
M^FW\8F(A\'$2=8!I>H'V2WO,"JF91?7.]),F=PNQ4/?'/B%2/[/#PC0N`JVK
M*2VTB.;%\.8ZHP55X?<_W/S\6W21-`TX<MH)'<C7*DM]Z[Z+[^<VQ%D^D3\6
M)^1S^#[EY>P+,&D+\G-MVES)?2L;9QMG&W/9EN^`%9HU\55!TZ.NY6%0"UHR
M.-%!U)$A`-B?$/S"1?T4=(0^[H1QW&8M:<F;J+:J"2E9SBFQT/;A>TUKTQ&U
MX*`!!PW.JF)49*\NII14YX`E&5PM)=3B4<B-F**%403KBF5\M855713@I&@D
M4`']./ZCMN.GY&77'>_(S:1[-;1U)UOTW/,V:UQ@8?OL7]G:F[9:02)[>'5]
M$[]HP0`-.F<K+E@>^JQ@<6H'HD-&4=]1#/G@`+LTZ4;#";C'SOO--&EOP[3A
MHMF^[V51E[@,S)H)1#&M6_5V-[W`=7;]ULV%OY(R3N/_HVS[I#UNN$(T>E],
MEC3)[&^4,'$)IP$)IBXJZC"?IT_&Z9-H1-^HU$(.K.:G.+EC9YO_^'C>FW;>
M\_]QDY.^!LMJ(R_C,5W;_J;9=M%I0USM0;.%R\IL47&Y?0;%4*0HRD=>55P\
M#(K;$_>(-Y/5%J&P4K)$=A0@^3JP(AYG&A,!Z*TVK`PG604G%>YD%P,#?!(-
M6/?N0RMVP[!Y/5&@MR(;QM\I)8WWUCS>=6WKQ'HYR[N"_FYD&X2]@J/J9-J'
3#)*NQ7\1->[FOP#Q>W/<J@@`````
`
end

(Usual instructions for uudecode process.)

Mass Duplication Of Files Onto External USB Storage | Log In/Create an Account | Top | 3 comments | Search Discussion
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The Fine Print: The following comments are owned by whoever posted them. We are not responsible for them in any way.
(1)

  • (Score: 2) by Snow on Wednesday November 22 2017, @04:20PM (2 children)

    by Snow (1601) on Wednesday November 22 2017, @04:20PM (#600226) Journal

    I'd love to meet you for coffee some time. I think you have interesting ideas and you actually explore them.

    I admire your work.

    -- Snow

    • (Score: 2, Insightful) by Anonymous Coward on Wednesday November 22 2017, @06:11PM

      by Anonymous Coward on Wednesday November 22 2017, @06:11PM (#600275)

      careful, snow. in this day and age, this might be seen as an unwanted sexual advance by some little snowflake somewhere (pun partially intended). we're not allowed to acknowledge the existence of others for fear that we make them feel uncomfortable.

    • (Score: 2) by cafebabe on Wednesday December 20 2017, @02:10AM

      by cafebabe (894) on Wednesday December 20 2017, @02:10AM (#612110) Journal

      Apologies for delay. I've been off-line. I'm on SoylentNews pseudo-anonymously but I'd make an exception for few of the regulars. Unfortunately, I don't that we're on the same continent and I wouldn't encourage [soylentnews.org] air travel [soylentnews.org], due to safety concerns [soylentnews.org] and energy consumption [soylentnews.org].

      --
      1702845791×2
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