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a424b4ad56
expect_after that adjusts default timeout handler, reseted eof handler,
and this tell expect that it can ignore eof from read, consider the
following example:
<details>
```expect
#!/usr/bin/expect -f
exp_internal 1
log_user 1
set timeout 4
match_max 100000
expect_after {
# eof { exp_continue }
timeout {
exit 1
}
}
spawn bash -c "sleep 1; echo ':) '"
expect ":) "
```
```
$ ./expect.expect < /dev/null
spawn bash -c sleep 1; echo ':) '
parent: waiting for sync byte
parent: telling child to go ahead
parent: now unsynchronized from child
spawn: returns {6614}
expect: does "" (spawn_id exp4) match glob pattern ":) "? no
expect: read eof
^^^
expect: set expect_out(spawn_id) "exp0"
expect: set expect_out(buffer) ""
```
And with uncommented eof handler:
```
$ ./expect.expect < /dev/null
spawn bash -c sleep 1; echo ':) '
parent: waiting for sync byte
parent: telling child to go ahead
parent: now unsynchronized from child
spawn: returns {17959}
expect: does "" (spawn_id exp4) match glob pattern ":) "? no
expect: read eof
expect: set expect_out(spawn_id) "exp0"
expect: set expect_out(buffer) ""
expect: continuing expect after update
expect: does "" (spawn_id exp4) match glob pattern ":) "? no
expect: does ":) \r\n" (spawn_id exp4) match glob pattern ":) "? yes
expect: set expect_out(0,string) ":) "
expect: set expect_out(spawn_id) "exp4"
expect: set expect_out(buffer) ":) "
```
</details>
34 lines
675 B
Plaintext
Executable File
34 lines
675 B
Plaintext
Executable File
#!/usr/bin/expect -f
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log_user 0
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set timeout 3
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match_max 100000
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expect_after {
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# Do not ignore eof from expect
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eof { exp_continue }
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# A default timeout action is to do nothing, change it to fail
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timeout { exit 1 }
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}
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# useful debugging configuration
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# exp_internal 1
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set basedir [file dirname $argv0]
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spawn bash -c "source $basedir/../shell_config.sh ; \$CLICKHOUSE_CLIENT_BINARY \$CLICKHOUSE_CLIENT_OPT --disable_suggestion --highlight 0"
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expect ":) "
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# Make a query
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send -- "SELECT 1\r"
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expect "1"
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expect ":) "
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send -- "SELECT 2"
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send -- "\033\[A"
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expect "SELECT 1"
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send -- "\033\[B"
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expect "SELECT 2"
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send -- "\r"
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expect "2"
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send -- "exit\r"
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expect eof
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