Myujth

I have a folder called files that has 100 files, each one has one value inside;such as: 0.974323

This my code to generate those files and store the single value inside:

DIR="/home/XX/folder"
INPUT_DIR="/home/XX/folder/eval"
OUTPUT_DIR="/home/XX/folder/files"

for i in $INPUT_DIR/*
do
groovy $DIR/calculate.groovy $i > $OUTPUT_DIR/$i##*/_rates.txt
done

That will generate 100 files inside /home/XX/folder/files, but what I want is one single file that has in each line two columns separated by tab contain the score and the name of the file (which is i).

the score t name of the file

So, the output will be:

0.9363728 t resultFile.txt
0.37229 t outFile.txt

And so on, any help with that please?

Assuming your Groovy program outputs just the score, try something like

#!/bin/sh
# ^ use a valid shebang
# Don't use uppercase for variables
dir="/home/XX/folder"
input_dir="/home/XX/folder/eval"
output_dir="/home/XX/folder/files"

# Always use double quotes around file names
for i in "$input_dir"/*
do
 groovy "$dir/calculate.groovy" "$i" |
 sed "s%^%$it%"
done >"$output_dir"/tabbed_file.txt

The sed script assumes that the file names do not contain percent signs, and that your sed recognizes t as a tab (some variants will think it's just a regular t with a gratuitous backslash; replace it with a literal tab, or try ctrl-v tab to enter a literal tab at the prompt in many shells).

A much better fix is probably to change your Groovy program so that it accepts an arbitrary number of files as command-line arguments, and includes the file name in the output (perhaps as an option).