#################################################################
# env_version_ss.sh - Produce a CSV file showing the propagation 
#     of environment programs across every environment on a given 
#     machine.
# J. David Schronce - Tue May 15 09:33:19 CDT 2007
#################################################################

#set -xv
outdir=/tmp
outfile=$outdir/Environment_compare.csv
date > $outfile


# Uses the 'env_versions.sh' script to generate it's data files
echo "Processing Environments..."
./env_versions.sh $outdir

  
# build CSV
echo "Building Comparison Spreadsheet..."
cd /$outdir

# Add Header
header=""
for filename in `ls *.env.csv`
do
  env=`echo $filename | cut -d"." -f1`
# Swap the '#' on the following 2 lines if you are using timestamps with env_versions.sh
#  header="$header, $env ,, "
  header="$header, $env , "
done

echo "$header" >> $outfile

# Add programs
#for program in `cat *.env.csv | cut -d, -f1 | sort -u `
for program in `cat *.env.csv | sed 's/ //g' | sort -u `
do

  line=""
  for filename in `ls *.env.csv`
  do

# Process environments where the file does not exist
    if [ `grep $program $filename | wc -l` -eq 0 ]; then
      line="$line , ,"
    else
      line="$line , `grep $program $filename | head -1`"
    fi
  done
  echo ".\c"
  echo "$line" >> $outfile
done

echo "\n\n Your Environment Comparison Report for `hostname`\nis in $outfile\n"