On Wed, 2011-05-25 at 14:24 +0000, Nigel Hathaway wrote: > I'm trying to import a set of variables from a file containing assignments of > the form "a=b", one on each line. I am finding that the variable assignments > are being lost. > > Here is a simplified version of my script which illustrates the problem: > > echo "myvar=my value" | while read opt; do > if echo "$opt" | grep -q '='; then > var=`echo "$opt" | /bin/sed "s/=.*//"` > val=`echo "$opt" | /bin/sed "s/[^=]*=//"` > eval $var=\'$val\' > echo "(1)" $var=\'$val\' > echo "(2) myvar=$myvar" > fi > done > echo "(3) myvar=$myvar" > > Which yields this: > > (1) myvar='my value' > (2) myvar=my value > (3) myvar= > > I am using Busybox v1.18.4 > > Any idea what is going on? > _______________________________________________ > busybox mailing list > [email protected] > http://lists.busybox.net/mailman/listinfo/busybox
would this solve your problem? grep '^[^[:blank:]]=.*$' file_with_vars_and_other_stuff >/tmp/varfile . /tmp/varfile -C _______________________________________________ busybox mailing list [email protected] http://lists.busybox.net/mailman/listinfo/busybox
