bash - Copy binary file on Linux -

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i have restricted environment, chrooted environment or vm, has following basic utilities available: bash, hostname, ls, mkdir, ping, rm, getent, id. /proc filesystem available.

all others utilities cp/cat unavailable, . possible copy file these utilities ?

to copy inputfile outputfile using bash:

echo "$(<inputfile)" >outputfile

(limitation: nuls , trailing newlines omitted.)


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