Python > split > 二つのデリミタ(=と空白) > 実装: 'R1=0.5000D+01 R2=0.5000D+01 R12=0.1000D+02 LAM=0.6283D+01'から数値を取り出す

動作環境

GeForce GTX 1070 (8GB)
ASRock Z170M Pro4S [Intel Z170chipset]
Ubuntu 16.04 LTS desktop amd64
TensorFlow v1.2.1
cuDNN v5.1 for Linux
CUDA v8.0
Python 3.5.2
IPython 6.0.0 -- An enhanced Interactive Python.
gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609
GNU bash, version 4.3.48(1)-release (x86_64-pc-linux-gnu)
scipy v0.19.1
geopandas v0.3.0
MATLAB R2017b (Home Edition)
ADDA v.1.3b6

処理概要

IN_TXT = 'R1=0.5000D+01  R2=0.5000D+01  R12=0.1000D+02  LAM=0.6283D+01'

上記からそれぞれの値を取り出したい。

code v0.1

split_equal_space_180106.py

'''
v0.1 Jan. 06, 2018
  - add extract_value()
'''


def extract_value(atext, akey):
    # for a single delimiter
    txt = atext.replace('=', ' ')
    #
    found = False
    for elem in txt.split(' '):
        if found:
            return elem
        found = akey in elem
    return None

IN_TXT = 'R1=0.5000D+01  R2=0.5000D+01  R12=0.1000D+02  LAM=0.6283D+01'

val = extract_value(IN_TXT, 'R1')
print(val)
val = extract_value(IN_TXT, 'R2')
print(val)
val = extract_value(IN_TXT, 'R12')
print(val)
val = extract_value(IN_TXT, 'LAM')
print(val)
val = extract_value(IN_TXT, 'DELTAFLYER')
print(val)

run

$ python3 split_equal_space_180106.py 
0.5000D+01
0.5000D+01
0.1000D+02
0.6283D+01
None