On Wednesday 2009 January 14 10:56:33 Jeff King wrote:
>On Wed, Jan 14, 2009 at 05:28:11PM +0100, Tor Arne Vestbø wrote:
>> +MSG=${MSG//%/}
>> +printf "$MSG" > "$1"
>> +printf "$MSG" >& 2
>
>Substitution parameter expansion is a bash-ism, IIRC. How about just
MSG=$(printf '%s\n' "$MSG" | sed -e 's/%/%%/g')
printf "$MSG" > "$1"
printf "$MSG" >& 2
Is my best attempt at portable and "safe". It's a few extra processes though.
> printf %s "$MSG" ?
On my box
$ printf '%s\n' '\n'
\n
$
He wants '\n' in $MSG to be expanded, and what you gave doesn't do that.
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