Hi Jaben, Please help review the attached patch? Shell seems fail to parse the '%' in command line. We test the following 4 cases: 1)Execute echo "* %c %d *" in the command line, the output is "* %c %d *". 2)Script file a.nsh with the content: echo "* %c %d *", execute the a.nsh, the output is "* " "d *" 3)Script file a.nsh with the content: echo %1, execute a.nsh "* %c %d *", the output is "* " "d *" 4)Script file a.nsh with the content: echo %1, script b.nsh with the content:a.nsh "* %c %d *", execute b.nsh, the output is "*"
The root cause is Shell treat '%c %' as an unrecognized environment variable,
and replace it with a null string (""). The patch add code to check the name of
an unrecognized environment variable, if it's a valid C style identifier then
we do the remove.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qiu Shumin <shumin....@intel.com<mailto:shumin....@intel.com>>
Thanks
Shumin
Shell.c_EnvironmentVariable.patch
Description: Shell.c_EnvironmentVariable.patch
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