On Dez 20 2018, Greg Wooledge <wool...@eeg.ccf.org> wrote: > The issue you're reporting appears to be present in arithmetic contexts > in general, not only arrays: > > wooledg:~$ echo $((~0)) > bash: /home/wooledg: syntax error: operand expected (error token is > "/home/wooledg")
This has been fixed in bash 5.0. > It appears that bash is performing tilde expansion when there's no > whitespace in front of the tilde, or bitwise negation if there is > whitespace. POSIX says that arithmetic expressions are not subject to tilde expansion. IMHO bash shouldn't do that either for indexed array subscripts, since they are arithmetic expressions. Andreas. -- Andreas Schwab, SUSE Labs, sch...@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."
