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fix to make += work with dynamic integer vars like RANDOM

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Chet Ramey
2021-12-13 09:37:23 -05:00
parent e93bed95a8
commit 567c0bc2ed
12 changed files with 190 additions and 192 deletions
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doc/bashref.texi
+4 -5
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@@ -6662,12 +6662,11 @@ with @samp{bind -x} (@pxref{Bash Builtins}).
The default variable for the @code{read} builtin.
@item SECONDS
This variable expands to the number of seconds since the
shell was started. Assignment to this variable resets
the count to the value assigned, and the expanded value
becomes the value assigned plus the number of seconds
This variable expands to the number of seconds since the shell was started.
Assignment to this variable resets the count to the value assigned, and the
expanded value becomes the value assigned plus the number of seconds
since the assignment.
The number of seconds at shell invocation and the current time is always
The number of seconds at shell invocation and the current time are always
determined by querying the system clock.
If @env{SECONDS}
is unset, it loses its special properties,