nshlib: add du command support#3656
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acassis
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cederom,
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linguini1,
simbit18 and
xiaoxiang781216
July 23, 2026 20:16
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@Junbo-Zheng please fix: |
acassis
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Jul 24, 2026
Add a du command to NSH that recursively summarizes the size of each path argument in 1K-blocks, or human-readable form with -h. Supports -s (summary only), -a (all files), -d N (max-depth), and -h, matching GNU du semantics. Testing: Built and ran on sim:nsh with: ```bash cmake -B out/nuttx_sim_nsh -S nuttx -DBOARD_CONFIG=sim:nsh -GNinja ninja -C out/nuttx_sim_nsh ./out/nuttx_sim_nsh/nuttx nsh> du 397449 /data/test/elf 71993 /data/test/coredump 5 /data/test/log2 3251 /data/test/log1 472700 /data/test nsh> du -h 388.1M /data/test/elf 70.3M /data/test/coredump 4.1K /data/test/log2 3.1M /data/test/log1 461.6M /data/test ``` Host Ubuntu22.04 du on the same directory: ```bash $ du 397456 ./elf 72000 ./coredump 8 ./log2 3252 ./log1 472720 . $ du -h 389M ./elf 71M ./coredump 8.0K ./log2 3.2M ./log1 462M . ``` Signed-off-by: Junbo Zheng <zhengjunbo1@xiaomi.com>
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Summary
Add a
du(disk usage) command to NSH that recursively summarizes the size of each path argument in 1K-blocks, or in human-readable form with-h. Also supports-s(summary only),-a(all files),-d N(max-depth), and-h, matching GNUdusemantics.Impact
ducommand in NSH; no existing command or behaviorchanged.
CONFIG_NSH_DISABLE_DU(default followsDEFAULT_SMALL) to omit the command on small builds.Testing
Built and run on sim:nsh (host Ubuntu 22.04):
-hprints one decimal via integer arithmetic, float printf:Host Ubuntu 22.04
duon the same directory