bug-bash
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: splitting/whitespace in expansions of ${*} vs ${*/}


From: Grisha Levit
Subject: Re: splitting/whitespace in expansions of ${*} vs ${*/}
Date: Tue, 4 Apr 2017 15:29:03 -0400

There are a few small regressions in the latest devel relative to the
previous two commits but they're all rather exotic. Again, sorry if this
is still WIP/too minor:

CTLESC present in output (even with default IFS)

   $ set -- 1; unset var; printf ${var-${*:1}} | xxd
   00000000: 0131                                     .1

   $ set -- 1; unset var; : ${var=${*:1}}; printf "$var" | xxd
   00000000: 0131                                     .1

Not splitting (with default IFS):

   $ set -- '1 1'; unset a b; printf '<%s>' ${a=$*} ${b=${*:1}}
   <1><1><1 1>

A few more cases below:

   # this worked correctly in the 20170324 push
   $ set -- 1 2; IFS=; unset a b; printf '<%s>' $* ${a-$*} ${b-${*/}}
   <1><2><1><2><12>

   # this worked correctly in the 20170317 push
   $ set -- 1 2; IFS=; unset a b; x=$*; printf '<%s>' $x ${a=$*} ${b=${*,}}
   <12><12><1><2>

   # as did this:
   $ set -- 1 2; IFS=; a=$* address@hidden; printf '<%s>' "$a" "$b"
   <12><1 2>

Another (rather unlikely-to-be-encountered) case of CTLESC showing up in
output (worked correctly in 20170317 but not in release):

   # both indexed and assoc array have this:
   $ A=(' '); IFS=; unset novar; address@hidden
   $ printf '%s' "$var" address@hidden | xxd
   00000000: 0120 0120                                . .



reply via email to

[Prev in Thread] Current Thread [Next in Thread]