[xubiang@BIIIANGPC easybox]$ column -c invalid
column: invalid columns argument: 'invalid'
[xubiang@BIIIANGPC easybox]$ echo $?
1

[xubiang@BIIIANGPC easybox]$ ./target/debug/easybox column -c invalid
thread 'main' panicked at src/oe/column/src/column_common.rs:206:41:
called `Result::unwrap()` on an `Err` value: ParseIntError { kind: InvalidDigit }
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
[xubiang@BIIIANGPC easybox]$ echo $?
101

[xubiang@BIIIANGPC easybox]$ column --table-right invalid --table ./tests/fixtures/column/table
column: undefined column name 'invalid'
[xubiang@BIIIANGPC easybox]$ echo $?
1

[xubiang@BIIIANGPC easybox]$ ./target/debug/easybox column --table-right invalid --table ./tests/fixtures/column/table
thread 'main' panicked at src/oe/column/src/lib_column.rs:831:13:
Column 'invalid' not found
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
[xubiang@BIIIANGPC easybox]$ echo $?
101

[xubiang@BIIIANGPC easybox]$ column --table-wrap 2a --table ./tests/fixtures/column/table
column: undefined column name '2a'
[xubiang@BIIIANGPC easybox]$ column --table-truncate 2a --table ./tests/fixtures/column/table
column: undefined column name '2a'

[xubiang@BIIIANGPC easybox]$ ./target/debug/easybox column --table-wrap 2a --table ./tests/fixtures/column/table
thread 'main' panicked at src/oe/column/src/lib_column.rs:665:30:
attempt to divide by zero
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
[xubiang@BIIIANGPC easybox]$ ./target/debug/easybox column --table-truncate 2a --table ./tests/fixtures/column/table
thread 'main' panicked at src/oe/column/src/lib_column.rs:583:30:
attempt to divide by zero
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

[xubiang@BIIIANGPC ~]$ column f
column: f: No such file or directory
[xubiang@BIIIANGPC ~]$ echo $?
1

[xubiang@BIIIANGPC ~]$ easybox column f
thread 'main' panicked at src/oe/column/src/column_common.rs:508:70:
called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
[xubiang@BIIIANGPC ~]$ echo $?
101

[xubiang@BIIIANGPC ~]$ column --table --tree 1 ./tests/fixtures/column/table
column: options --tree-id and --tree-parent are required for tree formatting
[xubiang@BIIIANGPC ~]$ echo $?
1

[xubiang@BIIIANGPC ~]$ ./target/debug/easybox column --table --tree 1 ./tests/fixtures/column/table
thread 'main' panicked at src/oe/column/src/lib_column.rs:764:43:
called `Option::unwrap()` on a `None` value
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
[xubiang@BIIIANGPC ~]$ echo $?
101

[xubiang@BIIIANGPC easybox]$ column --table-columns-limit invalid
column: invalid columns limit argument: 'invalid'
[xubiang@BIIIANGPC easybox]$ echo $?
1

[xubiang@BIIIANGPC easybox]$ ./target/debug/easybox column --table-columns-limit invalid
thread 'main' panicked at src/oe/column/src/column_common.rs:183:41:
called `Result::unwrap()` on an `Err` value: ParseIntError { kind: InvalidDigit }
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
[xubiang@BIIIANGPC easybox]$ echo $?
101