Shell Programming and Scripting

counter=0
while read zf
   do
   counter=$((counter+1))
# may want to adjust this
   val1=$(echo "$zf")
   val2=$(cat file2 | head -"$counter" | tail -1)
#   val3=$((val1+val2))
   val3=$(echo $val1 + $val2 | bc)
   echo "$val3" >>file3
done <file1

#!/usr/bin/ksh
counter=0
while read zf
   do
   counter=$((counter+1))
# may want to adjust this
   val1=$(echo "$zf")
   val2=$(cat file2 | head -"$counter" | tail -1)
#   val3=$((val1+val2))
   val3=$(echo $val1 + $val2 | bc)
   echo "$val3" >>file3
done <file1

> cat file1
12.50
19.123
127
256.5
10.1234
> cat file2
45
609.12
19.456
105.101
56.65
> add_em
> cat file3
57.50
628.243
146.456
361.601
66.7734

> cat add_em
#! /usr/bin/bash

#needed to clear out the results file first
rm file3 2>/dev/null

counter=0
while read zf
   do
   counter=$((counter+1))
# may want to adjust this
   val1=$(echo "$zf")
   val2=$(cat file2 | head -"$counter" | tail -1)
   val3=$(echo $val1 + $val2 | bc)
   echo "$val3" >>file3
done <file1

#!/bin/bash
declare -a ARRAY            
for i in $(ls file*)                 # for files from file00001 to file40401
do
   arr_tmp=($(tr '\n' ' ' < $i))     # push file to array
   cnt=0
   while [ $cnt -le 5192 ] ;
      do
        ARRAY[$cnt]=${ARRAY[$cnt]:-0}"+"${arr_tmp[$cnt]}
        ((cnt++))
      done
done
for ((i=0; i<${#ARRAY[@]};i++))
do
        echo "scale=13;${ARRAY[$i]}" | bc >> output
done

GroupingFactor=5
WorkFilePrefix=/tmp/work.$$

sum() {
   local    _inputFileList=$1
   local -i _level=$((${2:-0} + 1))

   local _workFilePrefix=${WorkFilePrefix}.${_level}
   local _outFileCount=0
   local _outFileList=${_workFilePrefix}.filelist
   local _fileList _outFile

   > ${_outFileList}
   xargs -a $_inputFileList -n 5 |
   while read _fileList
   do
      _outFile=${_workFilePrefix}.$((++_outFileCount))
      paste $_fileList |
      awk '{ sum=0 ; for(i=1; i<=NF; i++) sum += $i ; print sum}' > $_outFile
      echo $_outFile >> $_outFileList
      (( _level > 1 )) && rm -f $_fileList
   done

   if (( $(wc -l < ${_outFileList}) > 1 ))
   then
      sum $_outFileList $_level
   else
      cat $(<${_outFileList})
   fi
   rm -f ${_workFilePrefix}.*
}

if [ -z "$1" ]
then
   in=${WorkFilePrefix}.0.filelist
   cat - >$in
   sum $in
   rm -f $in
else
   sum $1
fi

> ls pattywac_datas/
file.1   file.13  file.17  file.20  file.24  file.28  file.31  file.35  file.39  file.42  file.46  file.5   file.8
file.10  file.14  file.18  file.21  file.25  file.29  file.32  file.36  file.4   file.43  file.47  file.50  file.9
file.11  file.15  file.19  file.22  file.26  file.3   file.33  file.37  file.40  file.44  file.48  file.6
file.12  file.16  file.2   file.23  file.27  file.30  file.34  file.38  file.41  file.45  file.49  file.7
> cat pattywac_datas/file.1
1
2
3
4
5
6
7
8
9
10
> ls -l /tmp
total 0
>

> ls pattywac_datas/* | pattywac.sh
50
100
150
200
250
300
350
400
450
500
> ls -l /tmp
total 0
>

> pattywac.sh ./filelist
50
100
150
200
250
300
350
400
450
500
>