cp.sh

#!/bin/bash
: '
	copy files from source directory into another directory by file index
	@usage:   ./cp.sh sourcePath targetPath
	@example: ./cp.sh ./original/ ./cpfolder/
'
sourcePath=$1;
targetPath=$2;
if [[ (-z "$sourcePath") || (-z "$targetPath") ]];
	then 
		echo "wrong input";
		echo "define source path like: $./cp.sh sourcePath targetPath"
		exit 0;
else
	numFiles=`find $sourcePath -type f | wc -l`;
	echo "Number of Files in current directory: "$numFiles;
	echo "Enter start index of files to cut:";
	read startIndex;
	echo "Enter end index of files to cut:";
	read endIndex;
	if [[("$startIndex" -gt 0) && ("$endIndex" -le "$numFiles")]];
	then
		echo "copy from " $startIndex " till " $endIndex;
		for i in $(seq $startIndex $endIndex); 
		do 
			cp $sourcePath/text-$i.txt $targetPath
			echo "file" $sourcePath"text-"$i.txt "copid to " $targetPath; 
		done
	else
		echo "Wrong Input, start index should be a number in 1..."$numFiles " range"
	fi
fi