Dbx 1024 User's Guide download pdf (Page 35)

Using the History Feature and the History Editor

Listing

dbx

Variables

If you enter the set command without providing any arguments, dbx

displays (in alphabetical order) a list of all currently deﬁned dbx variables,

including predeﬁned variables. Partial output looks like this:

(dbx) set

$addrfmt “0x%x”

$addrfmt64 “0x%llx”

$assignverify 1

$casesense 2

$ctypenames 1

$curevent 3

$curline 44

$curpc 268439708

...

$stacktracelimit 1024

$stdc 0

$stepintoall 0

$tagfile “tags”

Removing Variables

The unset command removes a dbx variable. For example, to delete the

variable $k, enter:

(dbx) unset $k

Using the History Feature and the History Editor

The dbx history feature is similar to the C shell’s history feature in that it

allows you to repeat commands that you have entered previously. However,

unlike the C shell’s history feature, dbx does not allow you to execute a

history command anywhere except the beginning of a line. Also, dbx does

not support history substitution of command arguments such as the C shell

!$ argument.

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Dbx 1024 User's Guide Page 35