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Comments (8)

mame avatar mame commented on June 12, 2024

Great!

Does Logo emit any extra lines? I don't like to include logo.sh.

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xyproto avatar xyproto commented on June 12, 2024

Yes, unfortunately, it adds these two lines at the end:

Thank you for using Logo.
Have a nice day.

I can see if I can change the Makefile so that logo.sh isn't needed.

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pczarn avatar pczarn commented on June 12, 2024

This should work

logo < QR.logo | head -n-2 > QR.lua

LOGO="sh -c 'logo | head -n-2' <"
exec "$LOGO QR.logo > QR.lua"

function ucblogo { sh -c "logo < $1" | head -n-2; }
ucblogo QR.logo > QR.lua

Thanks for other packages!

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mame avatar mame commented on June 12, 2024

I think that ucblogo prints the message only when the source code is read from stdin.
Did you try to just invoke it with a filename:

logo QR.logo

instead of <$1 logo?

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pczarn avatar pczarn commented on June 12, 2024

This version always starts REPL and prints the message after bye. @xyproto cleverly passes source code to stdin.

$ logo
? bye
Thank you for using Logo.
Have a nice day.

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mame avatar mame commented on June 12, 2024

Which version is used? I think that AUR provides ucblogo-6.0 (as far as I read the package information) and the version actually handles a file input correctly:

$ wget http://www.cs.berkeley.edu/~bh/downloads/ucblogo.tar.gz
$ tar xzf ucblogo.tar.gz
$ cd ucblogo-6.0/
$ ./configure
$ make
$ cat ~/t.logo 
PRINT "Hello
BYE
$ ./logo ~/t.logo
Hello
$

coms.c of ucblogo prints the message only when loadstream == stdin.

NODE *lbye(NODE *args) {
...
    if (ufun != NIL || loadstream != stdin) exit(0);
...
    ndprintf(stdout, "%t\n", message_texts[THANK_YOU]);
    ndprintf(stdout, "%t\n", message_texts[NICE_DAY]);

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pczarn avatar pczarn commented on June 12, 2024 
/usr/bin/ld: cannot find -ltermcap

After installing aur/termcap

term.o: In function `lcleartext':
/home/piotr/Desktop/src/ucblogo-6.0/term.c:234: undefined reference to `tgoto'
term.o: In function `lsetcursor':
/home/piotr/Desktop/src/ucblogo-6.0/term.c:285: undefined reference to `tgoto'

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mame avatar mame commented on June 12, 2024

curses provides tgoto.

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