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df: new option: --total to print grand totals

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* src/df.c (add_uint_with_neg_flag): New function to add two integral
values with separate negation flag.
(show_dev): New parameter force_fsu to display numbers directly. Collect
summary statistics on each printed device.
(usage): Mention new option --total in --help.
(main): Initialize summary on program start. Handle new option --total.
* tests/df/total: Dummy test case for new --total option.
* tests/df/total-awk: Better test case for new --total option (requires
awk).
* doc/coreutils.texi: Mention new parameter --total.
* NEWS: Mention the change.
* TODO: Removed completed task.
This commit is contained in:
Kamil Dudka
2008-09-03 10:33:06 +02:00
committed by Jim Meyering
parent ef6a361a07
commit ea2887bbe4
8 changed files with 208 additions and 8 deletions
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2
TODO
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@@ -72,8 +72,6 @@ Should printf '\0123' print "\n3"?
printf: consider adapting builtins/printf.def from bash
df: add `--total' option, suggested here http://bugs.debian.org/186007
tail: don't use xlseek; it *exits*.
Instead, maybe use a macro and return nonzero.