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+#!/usr/bin/env perl
+
+# Author: Jody Klymak <jklymak@apl.washington.edu>, publisted by a posting
+# to the pdftex mailinglist.
+
+# recursively finds all your eps files. Looks down \input{fname}.
+# CAVEATS:
+# 1) cannot handle \input{fname} split over more than one line.
+# 1.5) cannot handle multiple \input{} or \includegraphics{} on one line.
+# 2) Must be run from same directory as the Latex file.
+# 3) Does not look down $TEXINPUTS or anything fancy like that...
+# 4) Handling of \include is untested (though I guess its trivial)
+# 5) Assumes *all* your graphics inclusions are [e]ps. But don't
+# fret, because if they are not epstopdf dies anyhow....
+# 6) Does not distinguish between percent (\%) and comment (%).
+
+# Changelog:
+# 20030103 -- Lachlan Andrew <lha@users.sourceforge.net>
+# * Only append '.tex' if $fname doesn't exist.
+# * Correctly handle lines with '}' after the \includegraphics{}
+# * Allow multiple extensions for graphics files. .eps -> .ps -> none
+# (Should try them in the same order as \includegraphics does
+# -- given by \DeclareGraphicsExtensions{}?)
+# * Allow \include the same way as \input
+# * Allow \includegraphics{} to be split over multiple lines
+# * Check that commands begin with '\', and allow spaces before arguments
+
+# EDIT these two lines for your system....
+
+$Eps2PdfCom = "epstopdf";
+$ThisFunCom = "e2pall";
+
+$fname=$ARGV[0];
+
+# check for a *.tex at the end...
+if ((-f "$fname")=="" && $fname !~ /.tex$/){
+ $fname = "$fname.tex";
+}
+
+open(TEXFILE,$fname) or die "Cannot open file $fname";
+# print "Finding *.eps files in $fname\n";
+
+$seekingArg = 0;
+while($line=<TEXFILE>){
+ # truncate $line after % sign....
+ $line=~s/%.*//;
+ # check for /input....
+ if ($line=~/\\input *{([^}]*)}/){
+ print `$ThisFunCom $1`;
+ }
+ # check for /include....
+ if ($line=~/\\include *{([^}]*)}/){
+ print `$ThisFunCom $1`;
+ }
+
+ $base = "";
+ if ($line=~/\\includegraphics.*{([^}]*)}/){
+ $base = $1;
+ }
+ elsif ($seekingArg==1 && ($line=~/{([^}]*)}/)){
+ $base = $1;
+ }
+ elsif ($line=~/\\includegraphics/){
+ $seekingArg = 1;
+ }
+
+ if ($base ne "") {
+ $seekingArg = 0;
+ if ((-f "$base.eps")!="") {
+ $srcfile = "$base.eps";
+ }
+ elsif ((-f "$base.ps")!=""){
+ $srcfile = "$base.ps";
+ }
+ else {
+ $srcfile = $base;
+ }
+ # check that the [e]ps version is newer than the pdf version....
+ if ((-M "$base.pdf")=="" || (-M "$base.pdf") >= (-M "$srcfile")){
+ print "Constructing \t $base.pdf from $srcfile\n";
+ print `$Eps2PdfCom $srcfile`;
+ }
+ else{
+ print "$base.pdf \t is up to date with $srcfile\n";
+ }
+
+ };
+}
+close(TEXFILE);