All pastes #560613 Raw Edit

Mine

public text v1 · immutable
·published 2007-06-12 04:29 UTC
rendered paste body
$ cat awktestdata
ASDF
asdf
FOO
foo
BAR
quux

feh
12345
FEH
----
FDSA
ghj

$ awk --version
GNU Awk 3.1.5

$ awk '{ if ($1 ~ /[A-Z]/) print $1 }' awktestdata
ASDF
asdf
FOO
foo
BAR
quux
feh
FEH
FDSA
ghj

$ awk --version
GNU Awk 3.1.4

$ awk '{ if ($1 ~ /[A-Z]/) print $1 }' awktestdata
ASDF
FOO
BAR
FEH
FDSA