Overview - Chapter: 0:History, 1:Design, 2:Basics, 3:Var, 4:Op, 5:IO, 6:{}, 7:Sub, 8:OOP, 9:Rx, 10:Meta
Intro - Appendices: A:Index, B:Tables, C:Cook, D:Delta, E:Best of, F:Links
Me: Inside a shell might be a Perl.
This tablet is about the old core business of Perl.
Command Line
The shell, command line (or STDOUT to Perl 5 programmer) is the first and most fundamental communication device for a script with it's user. And most tutorials begin just with dopping a line to it.
say
say "deer earthlings";
printf
It's a print that understands also the syntax of sprintf.
note
warn
promt
read
Files
slurp
lines
open
readline
get
getc
read for files
print for files
say for files
open
Synopsis:
open('new', :w).close
given open('foo', :w) { # "Anonymous" filehandle.say('Hello, world!');}
.close
Valid modes are:
r : read
w : write
a : append (Note: you must specify "wa", not just "a")
p : pipe
close
rename for files
Directories
dir
mkdir
chdir
chroot
rmdir
rename
Sockets
Processes
run
runinstead
fork
wait
kill
Overview - Chapter: 0:History, 1:Design, 2:Basics, 3:Var, 4:Op, 5:IO, 6:{}, 7:Sub, 8:OOP, 9:Rx, 10:Meta
Intro - Appendices: A:Index, B:Tables, C:Cook, D:Delta, E:Best of, F:Links
