It's been a week since I sent this in. Does anyone have any questions,
comments, thoughts or opinions?
On 12/11/2018 12:29 PM, Jody Bruchon wrote:
This updated version of the jdupes duplicate file finder port to
BusyBox adds a whole host of feature exclusions that allow further
reduction of the applet's size. Nearly all of the final actions
performed by jdupes (deletion, linking, etc.) can be done by piping
the output to a shell script anyway, though it's not as convenient or
quick as having the program do it for you. All final actions other
than printing match sets can now be disabled, and all of the progress
bar code can now be tossed out as well.
With the new exclusions available, a BusyBox defconfig with a fully
stripped down jdupes weighs in just barely under 10K:
$ size busybox_with*
text data bss dec hex filename
1009790 6763 3648 1020201 f9129 busybox_with_jdupes
1000754 6747 3512 1011013 f6d45 busybox_with_jdupes_minimal
991308 6731 3216 1001255 f4727 busybox_without_jdupes
Modified time support being disabled will reduce the size of the
heavily used per-file struct by a time_t and throws out time checks in
a some "hot" code paths, speeding things up a bit more. The clear
downside is that this opens the gates wide for TOCTTOU errors if
chosen and I've noted that in the help text.
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