On 07/02/11 at 12:54pm, Scott Ferguson wrote: > On 02/07/11 07:20, Brian wrote: > > On Fri 01 Jul 2011 at 23:49:56 +0300, Andrei POPESCU wrote: > > > >> conv=notrunc means "do not truncate the output file" according to the > >> manpage, but I have no ideea what it's good for, but doesn't sound like > >> it would affect your image :p > > > > That's a problem which can happen with man pages. You think you know > > what it means but on the witness stand you are torn apart by the > > defense. > > > > I'd take 'truncate' to mean 'shorten' - but see what you make of this: > > > > http://dbaspot.com/shell/176725-what-does-notrunc-dd-command-mean.html > > > > Untested. Use at you own risk! > > What is the date of that post? > What OS are the posters referring to? > > > > > > Tested - file a bug report if it is incorrect :-) > > "`append' Write in append mode, so that even if some other process is > writing to this file, every `dd' write will append to the current > contents of the file. This flag makes sense only for output. If you > combine this flag with the `of=FILE' operand, you should also specify > `conv=notrunc' unless you want the output file to be truncated *before > being appended to.*" > > ref: info dd I started an interesting conversation. I should have put conv=noerror, but years of using notrunc for analysis files took over my fingers (: -- Liam
Attachment:
signature.asc
Description: Digital signature