how to find msgstrs that are nil

getNullMsgStrs.sh

cd /Users/rolandtanglao/Documents/MOZILLA_MESSAGING/KITSUNE/LOCALE_CHECKOUT/trunk/locales
for i in *; do echo -n $i >>no.of.nil.msgstrs.txt;grep -H "msgstr \"\"" "$i"/LC_MESSAGES/messages.po | wc -l >> no.of.nil.msgstrs.txt; done ;cat no.of.nil.msgstrs.txt | sort -r --key=2 >sorted.by.number.of.nil.strs

output.txt

README.txt       0
ak     774
ar     502
as     774
ast     774
bg     188
bn_BD     774
bn_IN     774
bs     106
ca     236
compendia       0
compile-mo.sh       0
cs      12
da     418
de      18
el     549
en_US       7
eo     774
es      12
et     497
eu      52
fa     345
fi     146
fix-duplicates.sh       0
fr      19
fur     774
fy_NL       9
ga     182
ga_IE     182
gd     774
gl     605
gu_IN     631
he     468
hi_IN     774
hr      23
hu       8
hy_AM     774
id     111
is      89
it      34
ja       7
kk     774
kn     774
ko       5
lt     687
merge-po.sh       0
mk     773
mn     773
mr     774
ms     750
my     774
nb_NO      22
nl      12
no     490
oc     774
pa_IN     529
pl       1
pt_BR      15
pt_PT     774
rm      11
ro     615
ru       3
rw     773
si     638
sk     339
sl       9
sq       4
sr_CYRL     741
sr_LATN     774
sv_SE     774
ta_LK     774
te     774
templates       0
th      41
thunderbirdize.stderr.out       0
tr      11
uk      34
vi      10
zh_CN       3
zh_TW       3

output2.txt

te     774
ta_LK     774
sv_SE     774
sr_LATN     774
pt_PT     774
oc     774
my     774
mr     774
kn     774
kk     774
hy_AM     774
hi_IN     774
gd     774
fur     774
eo     774
bn_IN     774
bn_BD     774
ast     774
as     774
ak     774
rw     773
mn     773
mk     773
ms     750
sr_CYRL     741
lt     687
si     638
gu_IN     631
ro     615
gl     605
el     549
pa_IN     529
ar     502
et     497
no     490
he     468
da     418
fa     345
sk     339
ca     236
bg     188
ga_IE     182
ga     182
fi     146
id     111
bs     106
is      89
eu      52
th      41
uk      34
it      34
hr      23
nb_NO      22
fr      19
de      18
pt_BR      15
nl      12
es      12
cs      12
tr      11
rm      11
vi      10
sl       9
fy_NL       9
hu       8
ja       7
en_US       7
ko       5
sq       4
zh_TW       3
zh_CN       3
ru       3
pl       1
thunderbirdize.stderr.out       0
templates       0
sorted.by.number.of.nil.strs       0
merge-po.sh       0
fix-duplicates.sh       0
compile-mo.sh       0
compendia       0
README.txt       0

anything that has 774 null msgstrs has NOT been localized