经过5年以上的不活动之后,我才重新学习python;我一开始就做的不好,这并没有帮助...这是我想要做的:
两组代码都分别按预期工作。我尝试了许多不同的方法将两组代码添加在一起,但是没有任何效果。
样本文件(C:\ gcode \ aaaa.gcode)
# start of file
some text
other text
# more text
G00 X1 Y1
G00 X2 Y2
# other text
G00 X3 Y3
G00 X4 Y4
#end of file
为了最终结果,我希望拥有:
# start of file
some text
other text
# more text
G1 X1 Y1 Z0.3
G1 X2 Y2 Z0.3
# other text
G1 X3 Y3 Z0.3
G1 X4 Y4 Z0.3
#end of file
样例代码/结果
Code:
with open(r'C:\gcode\aaaa.gcode', 'r') as fin, open(r'C:\gcode\bbbb.gcode', 'w') as fout:
for line in fin:
if line.startswith('G00'):
fout.write(line[:-1] + ' Z0.3' + '\r')
else:
fout.write(line)
Result:
# start of file
some text
other text
# more text
G1 X1 Y1
G1 X2 Y2
# other text
G1 X3 Y3
G1 X4 Y4
#end of file
Code:
with open(r'C:\gcode\aaaa.gcode', 'r') as fin, open(r'C:\gcode\bbbb.gcode', 'w') as fout:
for line in fin:
if line.startswith('G00'):
fout.write(line[:-1] + ' Z0.3' + '\r')
else:
fout.write(line)
Result
# start of file
some text
other text
# more text
G00 X1 Y1 Z0.3
G00 X2 Y2 Z0.3
# other text
G00 X3 Y3 Z0.3
G00 X4 Y4 Z0.3
#end of file
我尝试了以下代码的各种分支,但始终收到以下错误消息:
with open(r'C:\gcode\aaaa.gcode', 'r') as fin, open(r'C:\gcode\bbbb.gcode', 'w') as fout:
for line in fin:
if line.startswith('G00'):
fout.write(line[:-1] + ' Z0.3' + '\r')
fout = fout.replace('G00', 'G1') # newly added line
else:
fout.write(line)
AttributeError: '_io.TextIOWrapper' object has no attribute 'replace'
你正在尝试.replace
对文件句柄进行操作-这没有意义,line
例如,你应该对它进行处理:
with open(r'C:\gcode\aaaa.gcode', 'r') as fin, open(r'C:\gcode\bbbb.gcode', 'w') as fout:
for line in fin:
line = line.replace('G00', 'G1')
if line.startswith('G00'):
fout.write(line[:-1] + ' Z0.3' + '\r')
else:
fout.write(line)
还请注意,当且仅当行以-\r
分隔时,你的代码才能正常工作。
谢谢!我能够使它正常工作。我唯一需要更改的是if line.startswith('G00'):到if line.startswith('G1'):