Instead of having to distribute an image file with a shell script that called for the file, an idea came to mind to embed the image into the shell script. Although one way was found, I devised an alternate simpler method to distribute the image file embedded in the script.
The first method uses four lines of code. This method was found on YouTube.
#!/bin/bash
ARCHIVE=$(awk '/^__ARCHIVE_BELOW__/{print NR + 1;exit;0;}' $0)
tail -n+$ARCHIVE $0 > image.jpg
exit
__ARCHIVE_BELOW__
To use the above code, you can embed the image into the file like this.
cat myimage.jpg >> myscript.sh
Then execute the command to create your image.
./myscript.sh
However, for one reason or another, the code got corrupted each and every time when using WinSCP to access the Linux system. Out of frustration, I devised another method using the base64 command to create a file containing the image file as a base64 file.
base64 myimage.jpg > myimage.b64
From within the bash script, use echo to recreate the image. For the sake of demonstration, the code below has been greatly condensed to save space.
#!/bin/bash echo '/9j/4AAQSkZJRgABAQEBLAEsAAD/4QCsRXhpZgAATU0AKgAAAAgACQEaAAUAAAABAAAAegEbAAUA bnQuTkVUIHYzLjUuMTEAAAGGoAAAsY//2wBDAAEBAQEBAQEBAQEBAQECAgMCAgICAgQDAwIDBQQF BQUEBAQFBgcGBQUHBgQEBgkGBwgICAgIBQYJCgkICgcICAj/2wBDAQEBAQICAgQCAgQIBQQFCAgI AUUUUAFFFFABRRRQAUUUUAFFFFABRRRQAUUUUAFFFFABRRRQAUUUUAFFFFAH/9k=' > mynewimage.b64 base64 -d mynewimage.b64 > mynewimage.jpg rm -rf mynewimage.b64
Better way.
#!/bin/bash echo '/9j/4AAQSkZJRgABAQEBLAEsAAD/4QCsRXhpZgAATU0AKgAAAAgACQEaAAUAAAABAAAAegEbAAUA bnQuTkVUIHYzLjUuMTEAAAGGoAAAsY//2wBDAAEBAQEBAQEBAQEBAQECAgMCAgICAgQDAwIDBQQF BQUEBAQFBgcGBQUHBgQEBgkGBwgICAgIBQYJCgkICgcICAj/2wBDAQEBAQICAgQCAgQIBQQFCAgI AUUUUAFFFFABRRRQAUUUUAFFFFABRRRQAUUUUAFFFFABRRRQAUUUUAFFFFAH/9k=' | base64 -d > mynewimage.jpg
After repeated effort using WinSCP, the code never got corrupt. Using the diff command revealed no change between the original jpg and the new jpg.
