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Align column of a output text file

Aritra

Is there any way to align the column of a output text file? 

For example, I want to store the instance name & location to a file. 

p=outfile("~/inst.txt")

foreach(a geGetEditCellView()~>instances

fprintf(p strcat("\n\t" a~>cellName "\t\t" artMakeString(a~>bBox)))

)

 close(p)

 

Now the cell name will varry in length, so the tab will also varry. As a result the bBox location will not be aligned to a column. Is there any way print cell name aligned to a column & bBox location to next column ?

 

I am using IC5.

Parents

  • In case you are new to programming, Marcel's answer may seem a little confusing. Essentially, you want to use the features of the format string for fprintf. Here is the simple solution to your question:

    fprintf(p "%-25s %s\n" a~>cellName artMakeString(a~>bBox))

    This says, print a 25 character string that is left justified (%25s would be right justified), followed by a string without a length specification. If any of your cell names happen to be longer than 25, then your columns won't line up in that case because the full string will still be printed rather than truncated. Marcel's solution determines the maximum string length and then dynamically creates the format string (the %-25s) to use the maximum string width. If a hard coded column width is good enough, then the line above should be sufficient.

    Derek

Reply

  • In case you are new to programming, Marcel's answer may seem a little confusing. Essentially, you want to use the features of the format string for fprintf. Here is the simple solution to your question:

    fprintf(p "%-25s %s\n" a~>cellName artMakeString(a~>bBox))

    This says, print a 25 character string that is left justified (%25s would be right justified), followed by a string without a length specification. If any of your cell names happen to be longer than 25, then your columns won't line up in that case because the full string will still be printed rather than truncated. Marcel's solution determines the maximum string length and then dynamically creates the format string (the %-25s) to use the maximum string width. If a hard coded column width is good enough, then the line above should be sufficient.

    Derek

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