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t/lib/My/PerlFunctions/Command/Summary.pm  view on Meta::CPAN

=pod

=head1 PURPOSE

The Command class for a very simple CLIF app demo.

=cut

__DATA__
abs  - absolute value function
accept - accept an incoming socket connect
alarm - schedule a SIGALRM
atan2 - arctangent of Y/X in the range -PI to PI 
bind - binds an address to a socket
binmode - prepare binary files for I/O
bless - create an object
break - exit a loop prematurely
caller - get context of the current subroutine call
chdir - change your current working directory
chmod - changes the permissions on a list of files
chomp - remove a trailing record separator from a string
chop - remove the last character from a string
chown - change the owership on a list of files
chr - get character this number represents
chroot - make directory new root for path lookups
close - close file (or pipe or socket) handle
closedir - close directory handle
connect - connect to a remote socket
continue - optional trailing block in a while or foreach
cos - cosine function
crypt - one-way passwd-style encryption 
dbmclose - breaks binding on a tied dbm file
dbmopen - create binding on a tied dbm file
defined - test whether a value, variable, or function is defined
delete - deletes a value from a hash
die - raise an exception or bail out
do - turn a BLOCK into a TERM
dump - create an immediate core dump 
each - retrieve the next key/value pair from a hash
endgrent - be done using group file
endhostent - be done using hosts file
endnetent - be done using networks file
endprotoent - be done using protocols file
endpwent - be done using passwd file
endservent - be done using services file
eof - test a filehandle for its end
eval - catch exceptions or compile and run code
exec - abandon this program to run another
exists - test whether a hash key is present
exit - terminate this program
exp - raise I to a power 
fcntl - file control system call
fileno - return file descriptor from filehandle
flock - lock an entire file with an advisory lock
fork - create a new process just like this one
format - declare a picture format with use by the write() function
formline - internal function used for formats 
getc - get the next character from the filehandle
getgrent - get next group record
getgrgid - get group record given group user ID
getgrnam - get group record given group name
gethostbyaddr - get host record given its address
gethostbyname - get host record given name
gethostent - get next hosts record
getlogin - return who logged in at this tty
getnetbyaddr - get network record given its address
getnetbyname - get networks record given name
getnetent - get next networks record
getpeername - find the other end of a socket connection
getpgrp - get process group
getppid - get parent process ID
getpriority - get current nice value
getprotobyname - get protocol record given name
getprotobynumber - get protocol record numeric protocol
getprotoent - get next protocols record
getpwent - get next passwd record
getpwnam - get passwd record given user login name
getpwuid - get passwd record given user ID
getservbyname - get services record given its name
getservbyport - get services record given numeric port
getservent - get next services record
getsockname - retrieve the sockaddr for a given socket
getsockopt - get socket options on a given socket
glob - expand filenames using wildcards
gmtime - convert UNIX time into record or string using Greenwich time
goto - create spaghetti code
grep - locate elements in a list test true against a given criterion 
hex - convert a string to a hexadecimal number 
import - patch a module's namespace into your own
index - find a substring within a string
int - get the integer portion of a number
ioctl - system-dependent device control system call 
join - join a list into a string using a separator 
keys - retrieve list of indices from a hash
kill - send a signal to a process or process group 
last - exit a block prematurely
lc - return lower-case version of a string
lcfirst - return a string with just the next letter in lower case
length - return the number of bytes in a string
link - create a hard link in the filesytem
listen - register your socket as a server
local - create a temporary value for a global variable (dynamic scoping)
localtime - convert UNIX time into record or string using local time
lock - get a thread lock on a variable, subroutine, or method
log - retrieve the natural logarithm for a number
lstat - stat a symbolic link 
m - match a string with a regular expression pattern
map - apply a change to a list to get back a new list with the changes
mkdir - create a directory
msgctl - SysV IPC message control operations
msgget - get SysV IPC message queue
msgrcv - receive a SysV IPC message from a message queue
msgsnd - send a SysV IPC message to a message queue
my - declare and assign a local variable (lexical scoping) 
next - iterate a block prematurely
no - unimport some module symbols or semantics at compile time 
oct - convert a string to an octal number
open - open a file, pipe, or descriptor
opendir - open a directory
ord - find a character's numeric representation