awk/testdir/T.redir
Arnold D. Robbins d6c466c367 Extract testdir.
2019-06-23 03:13:57 -06:00

39 lines
1.1 KiB
Plaintext
Executable File

echo T.redir: test redirections
awk=${awk-../a.out}
$awk '{ print >"foo" }' /etc/passwd
diff foo /etc/passwd || echo 'BAD: T.redir (print >"foo")'
rm -f foo
$awk '{ print >>"foo" }' /etc/passwd
diff foo /etc/passwd || echo 'BAD: T.redir (print >>"foo")'
rm -f foo
$awk 'NR%2 == 1 { print >>"foo" }
NR%2 == 0 { print >"foo" }' /etc/passwd
diff foo /etc/passwd || echo 'BAD: T.redir (print > and >>"foo")'
rm -f foo
$awk '{ print | "cat >foo" }' /etc/passwd
diff foo /etc/passwd || echo 'BAD: T.redir (print | "cat >foo")'
# tests flush of stdout before opening pipe
echo ' head
1
2' >foo1
$awk 'BEGIN { print " head"
for (i = 1; i < 3; i++)
print i | "sort" }' >foo2
diff foo1 foo2 || echo 'BAD: T.redir (buffering)'
rm -f foo[12]
$awk '{ print >"/dev/stderr" }' /etc/passwd 1>foo1 2>foo2
diff foo2 /etc/passwd || echo 'BAD: T.redir (print >"/dev/stderr")'
diff foo1 /dev/null || echo 'BAD: T.redir (print >"/dev/stderr")'
rm -f foo[12]
$awk '{ print >"/dev/stdout" }' /etc/passwd 1>foo1 2>foo2
diff foo1 /etc/passwd || echo 'BAD: T.redir (print >"/dev/stdout")'
diff foo2 /dev/null || echo 'BAD: T.redir (print >"/dev/stderr")'