The -u flag creates a file, and unlinks it before exiting. This is usually known as "unsafe mode", or "dry-run" mode.
GNU mktemp has it, as does Busybox's mktemp and likely many others. --- toys/lsb/mktemp.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
0001-lsb-mktemp-Add-u-flag.patch
Description: Binary data
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