Bug#807820: shellcheck: portability: check for `which` instead of `command -v`

[Paul Wise]

Package: shellcheck
Severity: wishlist

It would be nice if shellcheck could report use of the `which` command.
`which` is a Debian specific tool packaged in debianutils (essential)
while `command -v` is a portable shell builtin defined by POSIX.

-- 
bye,
pabs

https://wiki.debian.org/PaulWise


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