strrepfile

Replace one or more strings in one or more files safely

strrepfile(filename,S1,S2) replaces all occurrences of the string S1 in the file filename with the string S2. S1, S2 may also be cell arrays of strings of the same size, in which case the replacement is performed for each pair by performing a strrep using corresponding elements of the inputs. Alternatively S2 may be a string string with and S1 a cell array, in this case the single string S2 will replace all the strings in S1

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strrepfile replaces the string by creating a temporary copy of the file in which the replace is to be performed, replacing it in this file, and copying the file back to the original location for safety. Submission #42877 has the advantage of allowing regex replace, but is not as safe as this version. strrepfile could probably be modified to use regexprep quite easily.

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Note strrepfile requires 'samesize.m' my file exchange contribution here: http://www.mathworks.com/matlabcentral/fileexchange/36636-samesize