On 11/8/19 1:20 PM, Oguz Bektas wrote:
> On Thu, Nov 07, 2019 at 08:43:17PM +0100, Thomas Lamprecht wrote:
>> On 10/16/19 1:17 PM, Oguz Bektas wrote:
>>> + CMDLINE="$(awk '{gsub(/\yinitrd=([0-9a-zA-Z\/\\._-])*\s*/,x)}1'
>>> /proc/cmdline)"
>>
>> sooo, this does not works at all with the default installed mawk...
>> Only with gnu awk, which one may get fast installed on a developer
>> workstation... :/ So we all did not test clean environments..
>
> :/
>
>>
>> it seems mawk has no word boundary regexp[0], soo either we depend on gawk
>> or we find a way were it works with mawk..
>>
>> [0]: https://mail-index.netbsd.org/tech-userlevel/2012/12/02/msg006954.html
>
> i looked around a bit but couldn't figure out a way to make it work with
> mawk. so maybe it's better to just use perl instead, to avoid having
> gawk dependency?
>
> perl -ne 's/\binitrd=([0-9a-zA-Z\\\/.-])*\s*//g; print;' /proc/cmdline
>
sounds good to me. FYI, you could also replace the print and -n switch with
the -p switch:
perl -pe 's/\binitrd=([0-9a-zA-Z\\\/.-])*\s*//g' /proc/cmdline
see: perldoc perlrun
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