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In gsub, when the destination string is empty, the string 't' is
provided and the regular expression doesn't match, then the final result
is an empty string.
Example:
=> echo ${foo}
=> setenv foo
=> setexpr foo gsub e a bar
=> echo ${foo}
=>
The variable ${foo} should contain "bar" and the lack of match shouldn't
be considered an error.
This patch fixes the erroneous behavior by removing the return
statement and breaking out of the loop in case of lack of match.
Also add a test for the no match case.
Signed-off-by: Massimiliano Minella <[email protected]>
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Add the description of CLI commands to the generated index.
Signed-off-by: Heinrich Schuchardt <[email protected]>
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Add missing information to the configuration section of the setexpr
man-page.
Signed-off-by: Heinrich Schuchardt <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Currently all shell command docs are put in the doc/usage root.
Let's group them into cmd/ sub-directory.
Signed-off-by: Bin Meng <[email protected]>
Reviewed-by: Heinrich Schuchardt <[email protected]>
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