duplicatefile.sh

#!/usr/bin/env bash

die () {
    echo >&2 "$@"
    echo
    echo "Usage:"
    echo "duplicatefile.sh <originalFileLocation> <targetPath> <copyCount>"
    echo
    echo "Example usage: ./duplicatefile.sh file.txt . 5"
    echo
    echo "Output files would be named as file_1.txt, file_2.txt, file_3.txt, file_4.txt, file_5.txt."
    echo "Output folder will also contain files.zip that has all the files contained in the folder."
    echo
    echo "CAUTION: ANY FILES WITH THESE NAMES WILL BE OVERWRITTEN!"
    echo
    exit 1
}

[ "$#" -ne 3 ] && die "3 arguments required, $# provided."

ORIGINALFILELOCATION=$1
TARGETPATH=$2
COPYCOUNT=$3

echo $COPYCOUNT | grep -E -q '^[0-9]+$' || die "Numeric argument required for count, $COPYCOUNT provided."
test -f $ORIGINALFILELOCATION || die "File $ORIGINALFILELOCATION not found."
test -d $TARGETPATH || die "Path $TARGETPATH not found."

#echo "Making $COPYCOUNT copies of file $ORIGINALFILELOCATION into $TARGETPATH"
for (( i=1; i<=$COPYCOUNT; i++ ))
do
    ORIGINALFILENAME=$(basename -- "$ORIGINALFILELOCATION")
    EXTENSION="${ORIGINALFILENAME##*.}"
    FILENAMEWITHOUTEXTENSION="${ORIGINALFILENAME%.*}"
    NEWFILENAME="${FILENAMEWITHOUTEXTENSION}-$i"
    [ "$FILENAMEWITHOUTEXTENSION" != "$EXTENSION" ] && NEWFILENAME="${NEWFILENAME}.${EXTENSION}"
    NEWPATH=$TARGETPATH/$NEWFILENAME

    cp $ORIGINALFILELOCATION $NEWPATH
done

ZIPNAME="$TARGETPATH/files.zip"
#echo "Creating a zip from all the files in path $TARGETPATH into $ZIPNAME"
test -f $ZIPNAME || rm $ZIPNAME
zip -j -q $ZIPNAME $TARGETPATH/*

#echo "All done."
#echo