empty_check.sh

#!/bin/bash
# *********************************************************
# * Author        : LEI Sen
# * Email         : sen.lei@outlook.com
# * Create time   : 2018-12-24 16:22
# * Last modified : 2018-12-25 15:50
# * Filename      : empty_check.sh
# * Description   : 
# *********************************************************

## Make sure you have the foder location specified. 
if [ "$1" == "" ]; then
    echo "parameter 1 missing: file folder location needed!"
    exit
fi

if [ "$2" == "" ]; then
    echo "parameter 2 missing: file type needed!"
    exit
fi

echo ""
echo "Checking empty files in folder [$1/] ..."
echo ""

file_path=$1/
file_list=$1/*.$2
fp_sub_list=$1/*
suffix=.$2

new_folder=$1_result_stats/

if [ -d "$new_folder" ]; then
    echo "  (removing previous summary folder... )"
    rm -r "$new_folder"
    echo "  (...previous summary folder removed. )"
fi
mkdir "$new_folder"
echo ""
echo """  Summary folder created. 
    corresponding files will be saved in: ${new_folder} 
"""

result_f="${new_folder}result_stats.csv"

if [ -f $result_f ]; then
    rm $result_f
fi

echo "file_name,size,is_empty" > $result_f

f_num=($f_sub_list)
f_num=${#f_num[@]}
f_num="$(find ${file_path} -mindepth 1 -maxdepth 1 -type d | wc -l)"
f_index=0
f_index_true=0

for fp_sub in $fp_sub_list; do
    if [ -d "$fp_sub" ]; then
    sub_folder_name=${fp_sub#"$file_path"}
    echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>> $sub_folder_name"
    f_list=$fp_sub/*.$2
    let f_index=f_index+1
    echo -ne "Progress: ${f_index}/${f_num} (empty: ${f_index_true}) \r"
    for f in $f_list; do
        f_name=${f#"$fp_sub/"}
        ## Get file size
        f_size="$(wc -c < "$f")"
        if [ $f_size -eq 0 ]; then
        is_empty='Yes'
        let f_index_true=f_index_true+1
        #cp -r $fp_sub $new_folder
        f_wo_ext=${f%"$suffix"}
        cp "$f_wo_ext".* "$new_folder"
        #echo $f_name
        #echo -ne "Progress: ${f_index}/${f_num} (empty: ${f_index_true}) \r"
        #break
        else
        is_empty='No'
        fi
        ## Get final results
        final_results="${f_name},${f_size},${is_empty}"
        echo "${final_results}" >> $result_f
    done
    fi
done
echo "Progress: ${f_index}/${f_num} (empty: ${f_index_true})"

echo """
... Done. 
"""

####
exit
####

prefix=$1/
suffix=.$2
new_folder=$1/result_stats/

f_num=($file_list)
file_num_total=${#f_num[@]}

f_index=0

rm -r $1/result_stats
mkdir $1/result_stats
result_file="$1/result_stats/result_stats.csv"

if [ -f $result_file ]; then
    rm $result_file
fi

echo "file_name, size, is_empty" > $result_file

for file in $file_list; do
    #file_name="${file/$file_path/}"
    file_name=${file#"$prefix"}
    file_name=${file_name%"$suffix"}
    echo "$file_name"
    ## Get file size
    file_size="$(wc -c < "$file")"
    if [ $file_size == 0 ]; then
    is_empty='Yes'
    cp $file $new_folder
    else
    is_empty='No'
    fi
    ## Get final results
    final_results="${file_name}, ${file_size}, ${is_empty}"
    echo "${final_results}" >> $result_file
done
echo ""
echo "Checking empty files in folder [$1/] ..."
echo ""

file_path=$1/
file_list=$1/*.$2
#echo $file_list
#cd $file_path
prefix=$1/
suffix=.$2
new_folder=$1/result_stats/

f_num=($file_list)
file_num_total=${#f_num[@]}

f_index=0

rm -r $1/result_stats
mkdir $1/result_stats
result_file="$1/result_stats/result_stats.csv"

if [ -f $result_file ]; then
    rm $result_file
fi

echo "file_name, size, is_empty" > $result_file

for file in $file_list; do
    #file_name="${file/$file_path/}"
    file_name=${file#"$prefix"}
    file_name=${file_name%"$suffix"}
    echo "$file_name"
    ## Get file size
    file_size="$(wc -c < "$file")"
    if [ $file_size == 0 ]; then
    is_empty='Yes'
    cp $file $new_folder
    else
    is_empty='No'
    fi
    ## Get final results
    final_results="${file_name}, ${file_size}, ${is_empty}"
    echo "${final_results}" >> $result_file
done

echo """
... Done. 
"""