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Electronics Forum / CAD / October 2006Universal "Comment" Character
Is there a universal character in ALL variations of "Spice" netlists that designates that the following text is a comment only? (Trying to adjust my LVS templates so that ALL layout editors will recognize comments.) ...Jim Thompson | James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona Voice:(480)460-2350 | | | E-mail Address at Website Fax:(480)460-2142 | Brass Rat | | http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food. > Is there a universal character in ALL variations of "Spice" netlists > that designates that the following text is a comment only? [quoted text clipped - 3 lines] > > ...Jim Thompson mite want to try these ;comments, //comments , {comments }  Signature"I am never wrong, once i thought i was, but i was mistaken" Real Programmers Do things like this. http://webpages.charter.net/jamie_5 >> Is there a universal character in ALL variations of "Spice" netlists >> that designates that the following text is a comment only? [quoted text clipped - 5 lines] >mite want to try these > ;comments, //comments , {comments } So far it looks like ONLY a newline beginning "*" works for ALL cases :-( ...Jim Thompson | James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona Voice:(480)460-2350 | | | E-mail Address at Website Fax:(480)460-2142 | Brass Rat | | http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food. > So far it looks like ONLY a newline beginning "*" works for ALL cases > :-( Don't you have a son who is a programmer? A text pre-processor that substitutes one code for the others would be pretty easy. It could have an option to choose the code for the output file. SignatureReply in group, but if emailing add another zero, and remove the last word. >> So far it looks like ONLY a newline beginning "*" works for ALL cases >> :-( > >Don't you have a son who is a programmer? A text pre-processor that >substitutes one code for the others would be pretty easy. It could have an >option to choose the code for the output file. He's so busy at his own work he has no time for Dad anymore :-( So I'm going to have to learn/refresh... I used to do Pascal OK. ...Jim Thompson | James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona Voice:(480)460-2350 | | | E-mail Address at Website Fax:(480)460-2142 | Brass Rat | | http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food. >>> So far it looks like ONLY a newline beginning "*" works for ALL cases >>> :-( [quoted text clipped - 8 lines] > > ...Jim Thompson On thinking about it a bit the only relatively reliable one is likely to be Asterisk in column 1, required for backward compatibility from the old Fortran days. SignatureJosephKK Gegen dummheit kampfen die Gotter Selbst, vergebens. --Schiller >>>> So far it looks like ONLY a newline beginning "*" works for ALL cases >>>> :-( [quoted text clipped - 12 lines] >Asterisk in column 1, required for backward compatibility from the old >Fortran days. That's my suspicion also. Since my netlister can insert a newline that's what I'll probably settle on. ...Jim Thompson | James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona Voice:(480)460-2350 | | | E-mail Address at Website Fax:(480)460-2142 | Brass Rat | | http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food. >On thinking about it a bit the only relatively reliable one is likely to be >Asterisk in column 1, required for backward compatibility from the old >Fortran days. Sometimes, you can use cpp for hacks like this. It often works very well if you are using make. (cpp is the c preprocessor that processes things like #define and #if.) SignatureThe suespammers.org mail server is located in California. So are all my other mailboxes. Please do not send unsolicited bulk e-mail or unsolicited commercial e-mail to my suespammers.org address or any of my other addresses. These are my opinions, not necessarily my employer's. I hate spam. >> So far it looks like ONLY a newline beginning "*" works for ALL cases >> :-( > >Don't you have a son who is a programmer? A text pre-processor that >substitutes one code for the others would be pretty easy. It could have an >option to choose the code for the output file. Maybe something could easily be thrown together in Perl (or even simple-Simon awk). Best regards, Spehro Pefhany Signature"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com >>> So far it looks like ONLY a newline beginning "*" works for ALL cases >>> :-( [quoted text clipped - 4 lines] > Maybe something could easily be thrown together in Perl (or even > simple-Simon awk). Yes, here's a Perl script that does just that. Enjoy! It does semicolon and double-slash comments, but you should be able to see how to extend it. --- cut here --- #!/usr/bin/perl -p # Takes end-of-line comments in SPICE files and puts them in before the lines # in which they appeared as regular SPICE asterisk comments. # Usage: # # perl -p spicecomments.pl originalfile > newfile # # or (to do an in-place edit): # # perl -pi spicecomments.pl originalfile # semicolon end-of-line comments s#^([^;]+)\s*;(.*)#*$2\n$1#; s#^\s*;(.*)#*$1#; # double-slash end-of-line comments s#^(.+)\s*//(.*)#*$2\n$1#; s#^\s*//(.*)#*$1#; >>> So far it looks like ONLY a newline beginning "*" works for ALL cases >>> :-( [quoted text clipped - 5 lines] > Maybe something could easily be thrown together in Perl (or even > simple-Simon awk). sed probably can be made to do it all. Any sed masochists out there? Signature"Electricity is of two kinds, positive and negative. The difference is, I presume, that one comes a little more expensive, but is more durable; the other is a cheaper thing, but the moths get into it." (Stephen Leacock) >> So far it looks like ONLY a newline beginning "*" works for ALL cases >> :-( > >Don't you have a son who is a programmer? A text pre-processor that >substitutes one code for the others would be pretty easy. It could have an >option to choose the code for the output file. You can use SED to alter text strings in an ASCII file. Incorporate SED into a batch file to make life easier. It will take a file, process, then write it out to another file leaving the original alone. SED can use reg ex for those really sticky issues. SED can be daunting, but you will quickly appreciate what it can do. http://sourceforge.net/project/showfiles.php?group_id=23617&package_id=16429 For Windoze, download the "bin" and "dep" zip files. --- Mark > Is there a universal character in ALL variations of "Spice" netlists > that designates that the following text is a comment only? [quoted text clipped - 11 lines] > > I love to cook with wine. Sometimes I even put it in the food. All of the model files I have collected use the '*' cahracter. Cheers >> Is there a universal character in ALL variations of "Spice" netlists >> that designates that the following text is a comment only? [quoted text clipped - 15 lines] > >Cheers That (*) only applies at the beginning of a _new_line_. Looks like both PSpice and HSpice use ";" for comments _in-line_. But my real need is talking to chip layout tools... IC Editor Tanner Tools etc. ...Jim Thompson | James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona Voice:(480)460-2350 | | | E-mail Address at Website Fax:(480)460-2142 | Brass Rat | | http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food. >>> Is there a universal character in ALL variations of "Spice" netlists >>> that designates that the following text is a comment only? [quoted text clipped - 29 lines] > > ...Jim Thompson Hey Jim, have you started programming yet? John >>>> Is there a universal character in ALL variations of "Spice" netlists >>>> that designates that the following text is a comment only? [quoted text clipped - 25 lines] > >John Not yet. But I'm thinking about starting a second life writing engineering tools ;-) ...Jim Thompson | James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona Voice:(480)460-2350 | | | E-mail Address at Website Fax:(480)460-2142 | Brass Rat | | http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food. |
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