thanks guys! :-)~MIKE~(-:
On Mon, Jan 19, 2015 at 5:09 AM, coverturtle <[email protected]> wrote: > On 01/18/2015 07:49 PM, Michael Havens wrote: > > people are reporting a bug in steam. apparently there is a line in it that > is deleting all the personal data all connected read/write media. > this is how the line reads: > > > rm -rf $STEAMROOT/* > > > what does the '$' expand too? > :-)~MIKE~(-: > > > --------------------------------------------------- > PLUG-discuss mailing list - [email protected] > To subscribe, unsubscribe, or to change your mail > settings:http://lists.phxlinux.org/mailman/listinfo/plug-discuss > > DON'T EXECUTE THE ABOVE LINE! > I'm assuming you have a terminal to verify this: > If the variable "STEAMROOT" is empty, it expands to the null string, i.e. > empty string. > i.e. /* which is very bad if preceded by rm -rf because "r" is recursive > and "f" means > to force the execution of the remove and it will remove all your files. > If it is <someString> then it expands to <someString>/* > it is supposed to expand to the path for the home directory for the steam > data > but if empty, wipes out any part of file system in which the bash script > is > executing and for which bash has permissions. > $STEAMROOT should be set to some harmless default value like /tmp > If the bash line is set to > rm -rf ${STEAMROOT:-/tmp}/* > then there shouldn't be any unwanted damage. Check out > man rm > and > man bash > for more than you wanted to know. Search ("/") for "${" in man bash for > details. > Jon > > > --------------------------------------------------- > PLUG-discuss mailing list - [email protected] > To subscribe, unsubscribe, or to change your mail settings: > http://lists.phxlinux.org/mailman/listinfo/plug-discuss >
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