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Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: news.eternal-september.org!eternal-september.org!feeder3.eternal-september.org!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Ralf Fassel Newsgroups: comp.lang.tcl Subject: Re: File processing (was Event loop and http::geturl) Date: Thu, 26 Jun 2025 12:14:24 +0200 Lines: 29 Message-ID: References: <103cf0h$1glgk$1@dont-email.me> <103d93c$1q263$1@dont-email.me> <103dm05$1svqt$1@dont-email.me> <103ffab$2b701$1@dont-email.me> <103g70o$2k78v$1@dont-email.me> <103gdlo$2lnei$1@dont-email.me> <103hem3$2ua8s$1@dont-email.me> <103hptq$30q4s$1@dont-email.me> <103i951$33lgp$1@dont-email.me> <103j0gi$3bup4$1@dont-email.me> Mime-Version: 1.0 Content-Type: text/plain X-Trace: individual.net 5V/KGZCYc0XPEet9ieqtUw9dEt3DIjQCOJVV5MiyVuynpxoS0= Cancel-Lock: sha1:p7hxesxPl2S8sPLlZVv7+xITdpg= sha1:ngfKlMbeQZs+v9e4aXUFtSRmRic= sha256:9XxBqh+YRzBDsvZIIlkQFJGuXuuOalvDippkg6+23Rg= User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) * Alan Grunwald | My pseudo code is generally > | while !eof { | read a line | if line is not empty | do stuff | endif | endwhile > | I used to be puzzled why I needed the test for non-emptiness. I never | worked out why, nowadays I simply accept that's the way of things and | do it. If the read hits EOF, an empty line is returned which is not actually in the file. Depending on your data, this may or may not be a problem (if you're not interested in empty lines in the data, then no problem). Usually a better pattern for line-oriented data on a channel in blocking mode is while {[gets $fd line] >= 0} { # line has been read, possibly empty ... } close $fd HTH R'