Shell Programming and Scripting

for (( i = 0 ;  i < $num;  i++ ))
do
 read choices[i]
done

for (( i = 0 ;  i < $num;  i++ ))
do
 awk -v f2=temp1 ' { c = ${choices[$i]}; getline < f2; print $0, c, " "; } ' infilemod >temp2
 mv temp2 temp1
done

for (( i = 0 ;  i < $num;  i++ ))
do
 awk -v f2=temp1 -v c="${choices[$i]}" ' { getline < f2; print $0, c, " "; } ' infilemod >temp2
 mv temp2 temp1
done

while read COL1 COL2 COL3
do
...
done < inputfile

while read COL1 COL2 COL3
do
echo "cool"
done < NGC188.master.forBayesian.table.full.UBVRI.SM

# Get input file from user
echo "Provide name of master file for use"
read infile
sed '1,3d;$d' $infile > infilemod

# Get output file name from user
echo "Provide desired output file name"
read outfile

# Get number of columns to be included
echo "Enter how many filters to be used"
read num

# Get which columns to use
echo "Provide the desired columns to use. Press [enter] after each"
for (( i = 0 ;  i < $num;  i++ ))
do
 read choices[i]
done

# Make file
# Print first column
awk ' { print $1, " " } ' infilemod >temp1

# Selected columns
for (( i = 0 ;  i < $num;  i++ ))
do
 awk -v f2=temp1 -v c=${choices[$i]} ' { getline < f2; print $0, c, " "; } ' infilemod >temp2
 mv temp2 temp1
done

# Add header
cat base9header.txt temp1 > tmp; mv tmp $outfile

# Remove extra files
rm infilemod
rm temp1

exit 0