Traverse the specified directory to obtain the file name with the specified suffix (such as txt and INI) under the current directory

#!/bin/bash
######################################################################
##                                                                  ##
##   Traverse the specified directory to obtain the specified suffix under the current directory （ Such as txt and ini） The name of the file            ##
##                                                                  ##
######################################################################

## Recursive traversal
traverse_dir()
{
    filepath=$1
    #echo $filepath
    for file in `ls -a $filepath`
    do
        if [ -d ${filepath}/$file ]
        then
            if [[ $file != '.' && $file != '..' ]]
            then
                # recursive
                traverse_dir ${filepath}/$file
            fi
        else
            # Call to find the specified suffix file
            check_suffix ${filepath}/$file
        fi
    done
}

## Get suffix txt or ini The file of
check_suffix()
{
    file=$1

    # if [ "${file##*.}"x = "txt"x ] || [ "${file##*.}"x = "ini"x ] || [ "${file##*.}"x = "gz"x ]; then
    if [ "${file##*.}"x = "jar"x ]; then
        echo $file
    fi
}

# Test specified directory  /data_output/ci/history
traverse_dir $(cd "$(dirname "$0")";pwd)