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June 7, 2018 00:54
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In a shell / ansible / packer stack find and replace var names.
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| import re | |
| import fileinput | |
| import sys | |
| old_caps_underscored_var=sys.argv[1] | |
| old_lower_underscored_var=old_caps_underscored_var.lower() | |
| old_lower_dashed_var=old_lower_underscored_var.replace("_","-") | |
| new_caps_underscored_var=sys.argv[2] | |
| new_lower_underscored_var=new_caps_underscored_var.lower() | |
| new_lower_dashed_var=new_lower_underscored_var.replace("_","-") | |
| filename=sys.argv[3] | |
| def convert (old_var,new_var,line): | |
| regex = r'(?<![a-zA-Z]-)\b' + old_var + r'\b(?!-[a-zA-Z])' | |
| return re.sub(regex,new_var,line.rstrip('\n')) | |
| with fileinput.input(filename, inplace=True, backup='.bak') as file: | |
| for line in file: | |
| line=convert(old_caps_underscored_var,new_caps_underscored_var,line) | |
| line=convert(old_lower_underscored_var,new_lower_underscored_var,line) | |
| line=convert(old_lower_dashed_var,new_lower_dashed_var,line) | |
| print(line) |
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