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# Copyright (C) 1997 - 2001 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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# Please email any bugs, comments, and/or additions to this file to:
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if ![info exists prompt] then {
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# calc_version -- extract and print the version number of calc
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proc calc_version {} {
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set tmp [exec echo "version" | $CALC]
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regexp "$prompt *(\[^\n\]*)\n.*" $tmp tmp version
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clone_output "[which $CALC] version $version\n"
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# calc_load -- loads the program
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proc calc_load { arg } {
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# calc_exit -- quit and cleanup
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# calc_start -- start calc running
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send_user "starting $CALC\n"
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-re "No such file.*" { perror "Can't start $CALC"; exit 1 }
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timeout { perror "Failed to spawn $CALC (timeout)"; exit 1 }