otp.ops.strcmp#

strcmp(value1, value2)#

Compares the strings value1 and value2. Returns 0 if they are equal, -1 if value1 is lexicographically smaller than value2, 1 otherwise.

Parameters:

value1 (str, Operation)
value2 (str, Operation)

Return type:

Operation

Examples

Comparing string literals:

>>> data = otp.Tick(A=otp.ops.strcmp('hello', 'world'))
>>> otp.run(data)
        Time   A
0 2003-12-01  -1

Comparing each string in a column:

>>> data = otp.Ticks(A=['a', 'b', 'c'], B=['c', 'b', 'a'])
>>> data['X'] = otp.ops.strcmp(data['A'], data['B'])
>>> otp.run(data)
                     Time  A  B  X
0 2003-12-01 00:00:00.000  a  c -1
1 2003-12-01 00:00:00.001  b  b  0
2 2003-12-01 00:00:00.002  c  a  1