PERL PROGRAMMING NOTES

Updated March 7, 2004

Enter a few words to search the scripts, or read the search tips.

Text list of Scripts

START
start_w_args.pl	how to start a perl prog - set variables from the command line - have default values for the variables for the case when values are not given on the command line

OPEN	READ
open_file_loop.pl	how to open a file for reading and loop through the lines CHECK THE FORM OF THE PAREN's
open_file_array.pl	how to open a file for reading and put the entire file into an array with records than can be accessed
split.pl	how to split/parse a variable
chop.pl	how to remove the line feed

OPEN	WRITE
open_for_writing.pl	open a file for either writing or appending
print.pl	print commands - filehandle
printf.pl	prinf commands including the types of format

OPEN	RESULTS OF SYSTEM CALL
open_res_sys.pl	put the results of a unix command into a usable aray

INOUT/OUTPUT
from-stdin.pl	Accept input from the keyboard

STRINGS
str-search.pl	Search a variable for a given string

CONTROL
if.pl		if control statements and operators (tests)
while.pl		while control
for.pl		for loop

SUB/FUNCTIONS
ftn_asin.pl	how to define a function - in this case arcsin