Introduction
What the hell is bash anyway? Before doing any kind of research, I actually had a very difficult coming up with a simple ex...
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You can use
$USER
instead of invoking another program, i.e.$(whoami)
. Similarly for$PWD
. You can also use printf directly to print the date, checkman strftime
.The
printf
command is really powerful and is more than an extension toecho
. Note that the way you are using it may cause issues, as it concatenates the format and the variable(s) part:Or as an example:
You may also want to check out the short notation for the bash built-in test command
[[ ]]
.Recommendations:
can't wait for next time!
Please also give an detailed tour through piping
Nice article! Gives a good understanding on bash!