Wolfgang Denk <[EMAIL PROTECTED]> writes: > In message <[EMAIL PROTECTED]> you wrote: >> >> > [EMAIL PROTECTED] fw_printenv -n hostname ipaddr >> > ## Error: `-n' option requires exactly one argument >> > [EMAIL PROTECTED] echo $? >> > 1 >> >> But I don't understand what the purpose of the "-n" option is? > > The purpose seems clear to me - print the value of a variable without > the name. This can be useful in shell scripts, for example when you > want to do something like > > $ ipaddr=`fw_printenv -n ipaddr`
Oh right, yes. Shouldn't post to lists before drinking coffee in the morning. > However, the addition of this feature is undocumented (not mentioned > in the commit message), and I don;t see why we should restrict it to a > single variable - it may be useful to print several values here, too, > for example like that: > > $ set `fw_printenv -n netdev ipaddr netmask` > $ ifconfig $1 $2 netmask $3 > > [Well, I know that's a bad example because it's missing all error > checking, but you get the idea.] Yes, that would nice indeed. Grant, care to add this? And please update the documentation in any case. Best regards Markus Klotzbücher -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: [EMAIL PROTECTED] ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ U-Boot-Users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/u-boot-users
