Bug #2556

dd should accept M,G,T,... for sizes

Added by Josef Sipek about 2 years ago. Updated almost 2 years ago.

Status:Resolved Start date:2012-03-28
Priority:Low Due date:
Assignee:Josef Sipek % Done:

100%

Category:- Spent time: -
Target version:-
Difficulty:Bite-size Tags:

Description

dd accepts 'k' suffix to mean multiply-by-1024. GNU dd accepts other suffixes to represent mega, giga, etc.

History

Updated by Rich Lowe about 2 years ago

  • Status changed from New to Resolved
  • % Done changed from 30 to 100
  • Tags deleted (needs-triage)

Resolved in r13670 25dba56d858d

Updated by Richard PALO almost 2 years ago

for your reading pleasure
http://physics.nist.gov/cuu/Units/binary.html
http://en.wikipedia.org/wiki/Binary_prefix

GNU's not Unix, it's not SI nor IEC either

Updated by Josef Sipek almost 2 years ago

I checked the GNU dd's man page. They say:

       BLOCKS  and  BYTES may be followed by the following multiplicative suffixes: c =1, w =2, b =512,
       kB =1000, K =1024, MB =1000*1000, M =1024*1024, xM =M GB =1000*1000*1000, G =1024*1024*1024, and
       so on for T, P, E, Z, Y.

I added [MGTPEZ] but not [MGTPEZ]B which would require a whole lot more parsing code.

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