27 lines
1.1 KiB
Bash
27 lines
1.1 KiB
Bash
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#!/bin/bash
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# Watches for formula dumps by starmath and renders them
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# If starmath is compiled with the macro DEBUG_ENABLE_DUMPASDOT defined.
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# shift+enter, in the visual formula editor will make starmath dump a
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# graphviz graph of the formula tree structure. This is very useful when
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# debugging. The formula is dumped to /tmp/smath-dump.gv-
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# This script monitors this file and renders the graph when written,
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# after which the formula is displayed using feh.
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#
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# Usage: Let this script run in the background, e.g. start it in a terminal
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# (and don't close the terminal). Then compile starmath with DEBUG_ENABLE_DUMPASDOT
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# defined, use the visual formula editor to write something and hit shift+enter.
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#
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# Note: This won't work on Windows as the /tmp/ folder will be missing.
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#
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# Author: "Jonas Finnemann Jensen" <jopsen@gmail.com>
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touch /tmp/smath-dump.gv;
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while inotifywait -q -e close_write /tmp/smath-dump.gv;
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do
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dot -Tpng < /tmp/smath-dump.gv > /tmp/smath-dump.png; > /dev/null
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kill `pidof -s feh`; > /dev/null
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feh /tmp/smath-dump.png & > /dev/null
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done
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