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#!/usr/bin/env bash
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10026
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#
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# Author: Markus Wenzel, TU Muenchen
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#
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# DESCRIPTION: remove unreadable symbol names from sources
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## diagnostics
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10511
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PRG="$(basename "$0")"
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10026
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function usage()
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{
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echo
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28650
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echo "Usage: isabelle $PRG [FILES|DIRS...]"
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echo
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52617
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echo " Recursively find .thy/.ML files and remove symbols that are unreadably"
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echo " in plain text (e.g. \<Longrightarrow>)."
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echo
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echo " Note: this is an ad-hoc script; there is no systematic way to replace"
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echo " symbols independently of the inner syntax of a theory!"
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echo
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echo " Old versions of files are preserved by appending \"~~\"."
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echo
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exit 1
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}
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## process command line
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[ "$#" -eq 0 -o "$1" = "-?" ] && usage
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SPECS="$@"; shift "$#"
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## main
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52617
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find $SPECS \( -name \*.ML -o -name \*.thy \) -print0 | \
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xargs -0 "$ISABELLE_HOME/lib/scripts/unsymbolize"
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