Re: `missing' needs patch for Ultrix4.4

[Jim Meyering]

Akim Demaille <address@hidden> wrote:

| >>>>> "Jim" == Jim Meyering <address@hidden> writes:
|
| Jim> Hi Akim,
|
| Jim> So consider a name containing some other shell meta-character.
|
| I don't understand what difference you make between the two approaches
| wrt meta-characters.
|
| Wer are talking about
|
| ( exec "$@" )
|
| vs
|
| prog=$1
| shift
| "$prog" "$@"

His suggested change didn't have double quotes around $prog.
Besides, if you do use double quotes around it, as you've written, above,
then Ultrix4.4's /bin/sh fails in exactly the same way as if you'd used "$@".

| and I see no difference wrt meta-characters.
|
| | /tmp % cat cat\ file
| | #! /bin/cat
| | /tmp % cat foo.sh
| | #! /bin/sh
| |
| | # Jim.
| | ( exec "$@" )
| |
| | # Alexandre
| | prog=$1
| | shift
| | "$prog" ${1+"$@"}
| | /tmp % PATH=/tmp ./foo.sh 'cat file' 'cat file'
| | #! /bin/cat
| | #! /bin/cat
| | #! /bin/cat
| | #! /bin/cat