The debugger expands environment variables and the leading tilde (~) in the following cases:
As part of a command in which a file name or a directory is expected.
In the arguments to run or rerun (IDB mode).
As in any shell, you can group an environment variable name using a pair of curly braces ({}), and quote a dollar sign ($) by preceding it with a backslash (\).
The following table shows how various environment variables expand. It assumes that the home directory is /usr/users/hercules and the environment variable BIN is /usr/users/hercules/bin.
|
Command with Environment |
Variable Expands into |
|---|---|
|
load ~/a.out |
load /usr/users/hercules/a.out |
|
load $BIN/a.out |
load /usr/users/hercules/bin/a.out |
|
load ${BIN}2/a\$b |
load /usr/users/hercules/bin2/a$b |
|
map source directory $BIN ${BIN}2 |
map source directory /usr/users/hercules/bin /usr/users/hercules/bin2 |
|
stop at "$BIN/a.out":20 |
stop at "/usr/users/hercules/bin/a.out":20 |
|
run $BIN/a.out ~/core |
run /usr/users/hercules/bin/a.out /usr/users/hercules/core |
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