Subversion Repositories programming

#!/bin/bash

################## CONFIG OPTIONS #############################################
DLDIR=`pwd`                                        # "global" download dir  ###
GLOGDIR=${DLDIR}/logs                              # "global" logdir        ###
###############################################################################

### Clean up temp files ###
cleanup_temp() {
rm -f parfiles;
rm -f goodfiles;
rm -f completefiles;
rm -f currentset;
};

### Clean up global logs ###
cleanup_logs() {
rm -f $GLOGDIR/badfiles;
rm -f $GLOGDIR/unextractable;
};

### Function which prints error logs ###
print_errors() {
   ### Print Unrepairable ###
   echo
   if [ -f $GLOGDIR/badfiles ]
   then
      echo '****************************************'
      echo '*** THE FOLLOWING WERE UNREPAIRABLE ****'
      echo '****************************************'
      echo
      cat $GLOGDIR/badfiles
   else
      echo 'No Unrepairable Files!'
   fi
   echo

   ### Print Unextractable ###
   if [ -f $GLOGDIR/unextractable ]
   then
      echo '****************************************'
      echo '*** THE FOLLOWING WERE UNEXTRACTABLE ***'
      echo '****************************************'
      echo
      cat $GLOGDIR/unextractable
   else
      echo 'No Unextractable Files!'
   fi
};

### Store the previous value of IFS (word parser) ###
PREV_IFS=$IFS
NEW_IFS='
'
### Set IFS to the newline ###
### This is ugly as fuck, but it works ###
IFS=$NEW_IFS

### Set/Clean up the Environment ###
CUR_PWD=`pwd`
cd $DLDIR
cleanup_temp
cleanup_logs

### Get a list of subdirs one level down ###
ls -Fb $1 | grep \/ | sed -e 's/\/$//g' > $DLDIR/subdirs
echo "." >> $DLDIR/subdirs


###############################################################################
###     The main loop that runs through the parchecking and extraction      ###
###############################################################################
for SUBDIR in `cat $DLDIR/subdirs`;
   do cd "${DLDIR}/${SUBDIR}/"; 

   ### Get all of the bare par2 files (not repair volumes) ###
   ls *.{par2,PAR2} | grep -v vol > parfiles;

   ### Repair everything, and sort it into "goodfiles" and "badfiles" ###
   for i in `cat parfiles`; \
      do ( par2repair $i && echo $i >> goodfiles ) || echo $i >> $GLOGDIR/badfiles; \
   done;

   ### Get the filenames of the files that verified successfully ###
   sed 's/.par2//' goodfiles | sed 's/.PAR2//' > completefiles;

   ### Extract files, and delete the set if it extracted correctly ###
   ### the sed goop in the next line makes sure all spaces, [, and ] are backslashed ###
   for i in `sed 's/ /\\ /g' completefiles | sed 's/\[/\\\[/g' | sed 's/\]/\\\]/g'`; \
      # get a good working set, sans sfv and nfo
      do ls ${i}.* | grep -vi sfv | grep -vi nfo | grep -vi jpg | grep -vi mp3 | grep -vi ape | grep -vi flac | grep -vi m3u | grep -vi pls > currentset; \ 
      
      # remove pars from currentset, then get the first thing that has "rar" or "001" at the END only
      # store above result in EXFILE (file to extract)
      EXFILE=`grep -vi par2 currentset | grep -m 1 "rar$\|001$"`; \

      # (extract the file AND remove the current set) OR save the filename to "unextractable"
      ( rar e ${EXFILE} && for j in `cat currentset`; do rm $j; done; ) || echo $i >> $GLOGDIR/unextractable; \
   done;
   cleanup_temp;
done; # end the "subdirs" loop
###############################################################################

### Reset IFS to it's default ###
IFS=$PREV_IFS

### Clean up temp files ###
cleanup_temp
rm -f $DLDIR/subdirs

### Go back to old pwd ###
cd $CUR_PWD

### Print Parting Message ###
echo
echo "All Finished. Good Bye!"