The bash shell provides numerous ways to loop through data to make your work – especially scripting challenges – easier. You can loop through a pile of data so you can get a lot done just by ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t pres… ...

There are several ways to loop “forever” on Linux commands. In practice, this means only until you decide to stop looping. You might do this while typing commands on the command line, or, more ...

I'm passing a file to my script and then I need to get into a for loop until all the lines are read and manipulated, but what was the simple syntax for reading each line of the inputed file ...

But shell scripts are so 1980’s — if you are into some kind of retro-computing, have at it. My advice is to invest your precious brain cells elsewhere. Use ruby or python for real work and do ...

Note that three flags are available to the script user: -n invokes the renumbering capability (which means the filenames are discarded, remember); -p is a special case where .PNG also is rewritten as ...