App-Cheats
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In My.pmc
#############################################################
## Perl Modules - AnyEvent
#############################################################
# Simple exmplae of parallel processing
# (Perl Modules - AnyEvent)
# NOT WORKING!
perl -MAnyEvent -E 'my @files = (1..30); my $cv = AnyEvent->condvar; foreach my $file (@files) { $cv->begin; AnyEvent->timer(after => 0, cb => sub { say "Processing file $file"; sleep(1); $cv->end; }); } $cv->recv;'
#############################################################
## Perl Modules - Automake::Config
#############################################################
# Install Automake::Config (termux)
git clone git@github.com:poti1/arm-none-eabi.git
cd arm-none-eabi
cpanm --look automake-1.15.gz
$ ./configure
$ make
$ make install
#############################################################
## Perl Modules - autovivification
#############################################################
# autovivification Example:
perl -Me -E 'my $h = { k => 11 }; no autovivification; say defined $h->{k2}{k3}{k5}; p $h'
{
k 11
}
#############################################################
## Perl Modules - B::Concise
#############################################################
# Perl Modules - B::Concise
# explain what a perl program is doing (very concise).
perl -MO=Concise -e 'print 111'
#############################################################
## Perl Modules - B::Deparse
#############################################################
# Perl Modules - B::Deparse
# explain what a perl program is doing (simply)
perl -MO=Deparse -e 'print 111'
#############################################################
## Perl Modules - bignum
#############################################################
# Convert big numbers into full form
# from scientific notation to expanded form
echo "$b" | perl -Mbignum -lpe '$_ += 0'
#############################################################
## Perl Modules - binmode
#############################################################
# Using unicode in perl STDOUT
perl -CO script
perl -C script # Which is same as
perl -CDSL script # S includes I/O
perl -e 'binmode STDOUT, "encoding(UTF-8)"'
perl -e 'binmode STDOUT, ":utf8"'
perl -E 'use open qw/:std :utf8/; say "\N{SNOWFLAKE}"'
# Mixed up encoding.
perl -E '$s = "é"; say length($s) . " $s"'
2 é
perl -C -E '$s = "é"; say length($s) . " $s"'
2 é
perl -Mutf8 -E '$s = "é"; say length($s) . " $s"'
1 �
perl -C -Mutf8 -E '$s = "é"; say length($s) . " $s"'
1 é
#############################################################
## Perl Modules - Business::CreditCard
#############################################################
# Validate a credit card number.
perl -MBusiness::CreditCard -E 'say validate("5276 4400 6542 1319")'
1
#
perl -MBusiness::CreditCard -E 'say cardtype("5276 4400 6542 1319")'
MasterCard
#############################################################
## Perl Modules - charnames
#############################################################
# Convert between a Unicode character, hexidecimal number and the name
perl -CDAS -E 'use charnames(); printf "%s %#x %s\n", $_, ord, charnames::viacode(ord) for @ARGV' ℠☃
# â„ 0x2744 SNOWFLAKE
# ☃ 0x2603 SNOWMAN
# Converting between a Unicode name, code, and string
# Name: SNOWFLAKE
# Code: 0x2744, 10052
# String: \N{SNOWFLAKE}, \N{U+2744}, \x{2744}, â„
#
perl -C -E 'say "\N{SNOWFLAKE}"' # \N{SNOWFLAKE} -> â„
perl -C -E 'say "\N{U+2744}"' # \N{U+2744} -> â„
perl -C -E 'say "\x{2744}"' # \x{2744} -> â„
perl -C -Mutf8 -E 'say "â„"' # â„ -> â„
perl -E 'say "â„"' # â„ -> â„
perl -E 'use open qw/:std :utf8/; say "\N{SNOWFLAKE}"' # \N{SNOWFLAKE} -> â„
#
perl -Mutf8 -E 'printf "%#x\n", ord "â„"' # â„ -> 0x2744
#############################################################
# Date arithmetic in Javascript (add 90 days to a date)
# Time::Seconds imports ONE_DAY
perl -MTime::Seconds -MTime::Piece -le "$now=localtime; $now+=$now->tzoffset; $now += ONE_DAY * 90; print $now->strftime('%Y-%m-%d')"
# Subtract days.
perl -MPOSIX -le '
@t = localtime; $t[3] -= 1299;
print scalar localtime mktime @t
'
# Seconds to HMS (hhmmss)
use Time::Seconds;
my $time = Time::Seconds->new(time - $time0)->pretty;
#
perl -MTime::Seconds -E 'say Time::Seconds->new(time)->pretty;'
# 18845 days, 18 hours, 4 minutes, 21 seconds
#############################################################
## Perl Modules - Tk (General)
#############################################################
# Create a simple Tk window
perl -MTk -le '$mw=MainWindow->new; $mw->title("Hello"); $mw->Button(-text => "Done", -command => sub{exit})->pack; MainLoop'
# Create a simple grid window
perl -MTk -le '$m=MainWindow->new; $m->Button->grid($m->Button,$m->Button); $m->Button->grid($m->Button,$m->Button); MainLoop'
# Create a simple grid window with last button spanning several columns
perl -MTk -le '$m=MainWindow->new; $m->Button->grid($m->Button,$m->Button); $m->Button->grid($m->Button,"-", -sticky => "nsew"); MainLoop'
# Create a simple grid window with last button spanning several rows
perl -MTk -le '$m=MainWindow->new; $m->Button->grid($m->Button,$m->Button, -sticky => "nsew"); $m->Button->grid($m->Button,"^"); MainLoop'
# Create a simple grid window with last button removed/ignored/skipped
perl -MTk -le '$m=MainWindow->new; $m->Button->grid($m->Button,$m->Button); $m->Button->grid("x",$m->Button, -sticky => "nsew"); MainLoop'
# Have a button to disable another button
perl -MData::Dumper -MTk -wle '
$mw = MainWindow->new;
$exit_b = $mw->Button(-text => "exit", -command => sub{exit})->pack(-ipadx => 20, -ipady => 10);
$text = "Disable Exit";
$mw->Button(-textvariable => \$text, -command => sub{
if( ($exit_b->configure(-state))[-1] eq "disabled" ){
$exit_b->configure(-state => "normal");
$text = "Disable Exit";
}
else{
$exit_b->configure(-state => "disabled");
$text = "Enable Exit";
}
})->pack;
MainLoop;
'
# TODO: Check if Unigraph is perl tk
# Create Menu Buttons (PTk,bind method)
perl -MTk -le '$mw=MainWindow->new; $mw->Button(-text => "Exit", -command => sub{exit})->pack(-side => "bottom", -fill => "both", -expand => 1); $f=$mw->Frame(-relief => "ridge", -borderwidth => 2)->pack(-side => "top", -expand => 1, -fill => "both")...
# Perk Tk Event Types (PTk,bind method)
ButtonPress (or Button)
ButtonRelease
Circulate
Colormap
Configure
Destroy
Enter
Expose
FocusIn
FocusOut
Gravity
KeyPress (or Key)
KeyRelease
Leave
Map
Motion
Reparent
Unmap
Visibility
# Perl Tk Event Info Usage program
perl -MTk -le '$mw=MainWindow->new; $b=$mw->Button->pack(-ipadx => 60); $b->bind("<Key>", [sub{print "ARGV: @_[1..$#_]"}, Ev("k"), Ev("K"), Ev("N"), Ev("T")]); MainLoop'
# Perl Tk Event Info (PTk,bin methods,Ev)
#
# Coordinates (relative to window)
Ev('x')
Ev('y')
#
# Coordinates (relative to root of window)
Ev('X')
Ev('Y')
#
# Button Number (of mouse click)
Ev('b')
#
# Size of widget
Ev('h') # height
Ev('w') # width
#
# Keyboard Info
Ev('k') # Physical Key Value 37 37
Ev('K') # Letter A a
Ev("N") # Decimal 65 97
#
# Event Type
Ev('T') # KeyPress
# Perl Tk Event Info (PTk,bin methods,Ev)
# Stop events in callback.
return # Exits only current sub
Tk::break # Stops all callbacks for an event
# View order of bindings for a widget (PTk,bin methods,Ev)
print for $b->bindtags
print "$_: ", $b->bind($_) for $b->bindtags
# Order order of bindings for a widget (PTk,bin methods,Ev)
$b->bindtags("[all]")
# View the bindtags for (PTk):
# Class
# Install
# Toplevel
# All
perl -MTk -le '$b=MainWindow->new->Button->pack; $b->bind("<ButtonRelease-1>", sub{exit}); map {print $_; printf " $_\n" for $b->bind($_)} $b->bindtags'
# Check if widget exists, if widget if packed (mapped,PTk)
perl -MTk -le '$mw=MainWindow->new; $b=$mw->Button(-text => "unpack", -command => sub{$b->packForget})->pack; $mw->Button(-text => "Check status", -command => sub{print for "",Exists($b), $mw->appname, $b->ismapped()})->pack; MainLoop'
# Track mouse movements (PTk)
perl -MTk -le '$mw=MainWindow->new; $mw->geometry("200x200+0+0"); $w=$mw->Label(-textvariable => \$t, -width => 20)->pack; $mw->bind("<Motion>", sub{$t=join ", ", $mw->pointerxy}); MainLoop'
# Track mouse movements (PTk)
# More positional values
perl -MTk -le '$w=tkinit; $w->geometry("200x200"); $w->Label(-textvariable => \$t, -justify => "left")->pack; $w->bind("<Motion>", sub{$t=sprintf "pointerxy:%s,%s\nxy:%s,%s\nroot:%s.%s\nvroothw:+%s,+%s\nvrootxy:%s,%s\nscreen:%s", $w->pointerxy, $w->x...
# Add tab completion to an entry widget
perl -MTk -le '$mw=MainWindow->new; $e=$mw->Entry(-textvariable => \$t)->pack; $e->focus; $e->bind("<Tab>", sub{@a=glob "$t*"; $t=shift @a if @a; $e->selectionClear}); MainLoop'
# Bind Enter/Carriage Return key (PTk)
$e->bind("<Return>"
# Swap button (PTk)
perl -MTk -le '$mw=MainWindow->new; for(1..3){my $b=$mw->Button(-text => "B$_", -width => 20)->pack; $b->configure(-command => sub{ ($n)=grep{$b[$_] eq $b}0..$#b; return unless $n > 0; @b[$n,$n-1]=@b[$n-1,$n]; $_->packForget for @b; $_->pack for @b})...
# Drag and swap buttons (PTk)
perl -MTk -le '$mw=MainWindow->new; my @b; sub id{my($n)=grep{$b[$_] eq $_[0]}0..$#b; $n} for(1..3){push @b, $mw->Button(-text => "B$_", -width => 20)->pack} $mw->bind("<ButtonRelease-1>",[sub{$m=id(shift); $n=id($mw->containing(@_)); @b[$m,$n]=@b[$n...
# Swap frames of buttons (PTk)
perl -MTk -le '$mw=MainWindow->new; my @b; sub id{my($n)=grep{$b[$_] eq $_[0]}0..$#b; $n} for my $fi(1..3){my $f=$mw->Frame->pack; push @b,$f; $f->Button(-text => "Btn - $fi - $_", -width => 20)->pack(-side => "left") for 1..3} $mw->bind("<ButtonRele...
# Notebook example 1. multiple pages/tabs (PTk)
perl -MTk -MTk::NoteBook -le '$nb=MainWindow->new->NoteBook->pack(-fill => "both", -expand => 1); @pgs = map { $nb->add("page$_", -label => "Page $_") } 0..5; $pgs[0]->Button(-text => "Button $_")->pack(-fill => "both") for 1..5; $pgs[1]->Label(-text...
# Notebook example 2. multiple pages/tabs (PTk)
# Command when clicking a page/tab
perl -MTk -MTk::NoteBook -le '$nb=MainWindow->new->NoteBook(-font => "Courier 14 bold")->pack(-fill => "both", -expand => 1); @pgs = map { $nb->add("page$_", -label => "Page $_") } 0..20; $pgs[0]->Button(-text => "Button $_")->pack(-fill => "both") f...
# Notebook example 3. multiple pages/tabs (PTk)
# Page deletion
perl -MTk -MTk::NoteBook -le '$nb=MainWindow->new->NoteBook->pack(-fill => "both", -expand => 1); @pgs = map { $nb->add("page$_", -label => "Page $_") } 0..10; $nb->pagecget("page0", "-state"); $pgs[0]->Button(-text => "Button $_")->pack(-fill => "bo...
# Notebook example 4. multiple pages/tabs (PTk)
# Get page by name
perl -MTk -MTk::NoteBook -le '$nb=MainWindow->new->NoteBook->pack(-fill => "both", -expand => 1); @pgs = map { $nb->add("page$_", -label => "Page $_") } 0..10; $nb->pagecget("page0", "-state"); $pgs[0]->Button(-text => "Button $_")->pack(-fill => "bo...
# Notebook example 5. multiple pages/tabs (PTk)
# 2 rows
perl -MTk -MTk::NoteBook -le '$nb=MainWindow->new->NoteBook->pack(-fill => "both", -expand => 1); $nb->add("page0$_", -label => "Page $_") for 1..5; map { my $nb = $_; $nb->add("page1$_", -label => "Page $_") for 6..10; } map $_->NoteBook->pack, ma...
# Notebook example 6. multiple pages/tabs (PTk)
perl -MTk -MTk::NoteBook -le '$nb=MainWindow->new->NoteBook->pack; $nb->add("page0$_", -label => "Page $_") for 1..5; @pgs = map $nb->page_widget($_), $nb->pages; ($p,@rest)=@pgs; $nb1=$p->NoteBook->pack; $nb1->add("page1$_", -label => "Page $_") for...
# Entry widget validation options (PTk)
perl -MTk -le 'MainWindow->new->Entry(-validate => "key", -validatecommand => sub{$_[1] =~ /\d/}, -invalidcommand => sub{ print "ERROR" })->pack->focus; MainLoop'
# Making Scrollbars (PTk)
# When text widget is scrolled its "-yscrollcommand" command is invoked. This calls $s->set(...)
# When the scrollbar is clicked on "-command" is invoked which calls $t->yview(...)
perl -MTk -le '$mw=MainWindow->new; $s=$mw->Scrollbar; $t=$mw->Text(-yscrollcommand => ["set" => $s]); $s->configure(-command => ["yview" => $t]); $s->pack(-side => "right", -fill => "y"); $t->pack(-fill => "both"); MainLoop'
# Scale widget example (PTk)
perl -MTk -le 'MainWindow->new->Scale(-from => 1, -to => 5, -tickinterval => 1, -showvalue => 0)->pack; MainLoop'
# Balloon widget example (PTk)
perl -MTk -MTk::Balloon -le '$mw=MainWindow->new; $b=$mw->Button(-text => "DO NOTHING")->pack; $mw->Balloon->attach($b, -msg => "button"); MainLoop'
# Balloon widget example (PTk)
perl -MTk -le '$w=tkinit; $bt=$w->Button(-text => "this does nothing")->pack; $w->Balloon->attach($bt, -msg => "really nothing"); MainLoop'
# Listbox example (PTk)
perl -MTk -le '$w=MainWindow->new; $lb=$w->Scrolled("Listbox", -scrollbars => "osoe")->pack; $lb->insert(0,1..10); $w->Button(-text => "SHOW", -command => sub{@s=$lb->curselection; print $lb->get(@s) if @s})->pack; MainLoop'
# Handle clicking the "X" button on a window to close (PTk)
perl -MTk -le '$w=MainWindow->new; sub e{print "safe exit"; $w->destroy} $w->protocol("WM_DELETE_WINDOW", \&e); $w->Button(-text => "EXIT", -command => \&e)->pack; MainLoop'
# Menu(bar) example (PTk)
perl -MTk -le '$w=MainWindow->new; $m=$w->Menu; $w->configure(-menu => $m); %h=map{$_ => $m->cascade(-label => "~$_")} qw/File Edit Help/; $h{File}->command(-label => "Exit", -command => sub{exit}); MainLoop'
# Menu(bar) example using -menuitems (PTk)
perl -MTk -le '$w=MainWindow->new; $m=$w->Menu; $w->configure(-menu => $m); %h=map{$_ => $m->cascade(-label => "~$_", -menuitems => [[checkbutton => "MY_CHECK"],[command => "MY_CMD", -command => sub{print "exit"}, -accelerator => "Ctrl-o"],[radiobutt...
# Simple Menu(bar) example using -menuitems (PTk)
perl -MTk -le '$w=MainWindow->new; $m=$w->Menu; $w->configure(-menu => $m); $m->cascade(-label => "~File", -menuitems => [[command => "new", -accelerator => "Ctrl-n"],"",[command => "Open", -accelerator => "Ctrl-o"]]); MainLoop'
# Simple 2 Menu(bar) example using -menuitems (PTk)
perl -MTk -le '$w=MainWindow->new; $m=$w->Menu; $w->configure(-menu => $m); $m->cascade(-label => "~File", -menuitems => [[cascade => "new", -accelerator => "Ctrl-n", -menuitems => [map [command => $_],qw/PNG JPEG TIFF/], -tearoff => 0],"",[command =...
# Color changing menu(bar) (PTk)
perl -MTk -le '$color="$red"; $w=MainWindow->new; $mi=[[cascade => "~Edit", -menuitems => [[cascade => "~Background", -menuitems => [map [radiobutton => $_, -variable => \$color, -command => [sub{my $c=shift; $w->configure(-background => $c); print "...
# Very primitive notebook (poor man's notebook) (PTk)
perl -MTk -le '$w=MainWindow->new; ($top,$bot)=map{$w->Frame->pack} 1..2; @b=map { $top->Button(-text => "B$_", -command => [sub{print shift}, $_])->pack(-side => "left") } 1..3; @f=map{$bot->Frame} 1..3; $f[0]->pack; $f[0]->Label(-text => "L1")->pac...
# Wait until variable is changes. Other button can still be pressed though. (PTk)
perl -MTk -le '$w=MainWindow->new; $w->Entry(-width => 20, -textvariable => \$t)->pack; $w->Button(-text => "PRINT", -command => sub{print "ABC"})->pack; $w->Button(-text => "PAUSE", -command => sub{$w->waitVariable(\$t); print "DONE"})->pack; MainLo...
# Simple composite Mega-Widget based on a Toplevel (PTk)
perl -MTk -le '{package Tk::My; use base "Tk::Toplevel"; Construct Tk::Widget "My" } $w=MainWindow->new; $w->My; MainLoop'
# Define own bitmap
perl -MTk -le '$w=MainWindow->new; $p=pack("b5"x5,"..1..",".111.","11111",".111.","..1.."); $bm=$w->DefineBitmap(up => 5,5,$p); $w->Button(-width => 10, -height => 30, -bitmap => "up")->pack; MainLoop'
# Define own bitmap (fansy)
cat star.bm
..............................
..............................
..............................
..............1...............
..............1...............
.............111..............
.............111..............
............1.1.1.............
.......11...1.1.1...11........
.......11..1..1..1..11........
.........1.1..1..1.1..........
..........1...1...1...........
.........1.1..1..1.11.........
.......11...1.1.1....11.......
.....11......111.......11.....
...111111111111111111111111...
.....11......111.......11.....
.......11...1.1.1....11.......
.........1.1..1..1.11.........
..........1...1...1...........
.........1.11.1.11.1..........
.......11...1.1.1...11........
.......11...1.1.1...11........
.............111..............
.............111..............
..............1...............
..............1...............
..............................
..............................
..............................
perl -MTk -le '$w=MainWindow->new; $s=30; $p=pack("b$s"x$s,`cat start.bm`); $w->DefineBitmap(start => $s,$s,$p); $w->Button(-bitmap => "start")->pack; MainLoop'
# DirTree example (PTk)
perl -MTk -le 'MainWindow->new->Scrolled("DirTree")->pack(qw/-fill both -expand 1/); MainLoop'
# LabEntry example (PTk,label and entry in one)
perl -MTk -le 'tkinit->LabEntry(-label => "name", -textvariable => \$name, -labelPack => [qw/ -side left /], -width => 20)->pack; MainLoop'
# Clicking a button will send it to the top. Cycle through
perl -MTk -le '$w=tkinit; @b=map{$w->Button(-text => $_)->pack} a..c; $_->configure(-command => sub{$b[-1]->pack(-before => $b[0]); unshift @b, pop @b }) for @b; MainLoop'
# Show or hide widgets based on a checkbutton (advanced options)
perl -MTk -le '$w=tkinit; $b=$w->Button->pack(qw/ -side bottom /); $p=1; $w->Checkbutton(-text => "Pack", -variable => \$p, -command => sub{ if($p){ $i=$b->{packInfo}; $b->pack(@$i) } else { $b->{packInfo} = [$b->packInfo]; $b->packForget } })->pack...
# Sleep/Wait (PTk)
$mw->after(3000) # ms
#############################################################
## Perl Modules - Tk (Bind)
#############################################################
# Make Control-C binding (PTk)
perl -MTk -le '$b=tkinit->Button(-text => "Try Control-C"); $b->configure(-command => sub{$b->focus}); $b->pack->bind("<Control-Key-c>", sub{print "Hit C"}); MainLoop'
# Show the name an value of each pressed key (PTk)
perl -MTk -le '$e=tkinit->Entry->pack; $e->focus; $e->bind("<Key>", sub{my($w)=@_; my $E=$w->XEvent; printf "%s %s\n", $E->K, $E->N}); MainLoop'
#
# Simpler
perl -MTk -le '$e=tkinit->Entry->pack; $e->focus; $e->bind("<Key>", sub{my $E=shift->XEvent; printf "%s %s\n", $E->K, $E->N}); MainLoop'
#
# Using newer "Tk::event"
perl -MTk -le '$e=tkinit->Entry->pack; $e->focus; $e->bind("<Key>", sub{printf "%s %s\n", $Tk::event->K, $Tk::event->N}); MainLoop'
# Three (3) ways to get the widget reference of a binding (PTk)
perl -MTk -le '$b=tkinit->Button(-command => \&cb)->pack; $b->bind("<ButtonRelease-3>", \&cb); sub cb {print "\nargs: @_"; print "->W" . $Tk::event->W; print "widget " . $Tk::widget}; MainLoop'
# Find out value of keypress
perl -MTk -le 'tkinit->Entry->pack->bind("<KeyPress>", sub{$e=$Tk::event; print $e->K . " " . $e->N}); MainLoop'
#############################################################
## Perl Modules - Tk (Canvas)
#############################################################
# Take a canvas and create a postscript then a pdf
perl -MTk -le '$w=tkinit; $c=$w->Canvas->pack; $c->createLine(20,20,200,200,200,20); $b=$w->Button(-text => "Save", -command => sub{$c->postscript(-file => "tk.ps")})->pack; MainLoop'
ps2pdf tk.ps tk.pdf
xpdf tk.pdf
#############################################################
## Perl Modules - Tk (Tags)
#############################################################
# Text tags example (PTk)
perl -MTk -le '$t=tkinit->Text->pack; $t->tagConfigure("bold", -font => "Courier 24 bold"); $t->insert("end", "Normal Text\n"); $t->insert("end", "Bold Text\n", "bold"); MainLoop'
# Make select text bold (PTk)
perl -MTk -le '$w=tkinit; $t=$w->Text->pack; $t->tagConfigure("bold", -font => "bold"); $t->insert("end", "A Bunch of text"); $w->Button(-text => "BOLD", -command => sub{$t->tagAdd("bold", "sel.first", "sel.last")} )->pack; MainLoop'
# Check if a selection exists (PTk)
perl -MTk -le '$w=tkinit; $t=$w->Text->pack; $t->tagConfigure("bold", -font => "bold"); $t->insert("end", "A Bunch of text"); $w->Button(-text => "BOLD", -command => sub{$t->tagAdd("bold", "sel.first", "sel.last") if $t->tagRanges("sel")} )->pack; Ma...
#############################################################
## Perl Modules - Tk (Appendix B)
#############################################################
# Adjuster example (PTk,Appendix B)
perl -MTk -le '$w=tkinit; %def=qw/-fill both -expand 1/; $b=$w->Button(-text => "Button A")->pack(%def); $w->Adjuster(-side => "top", -widget => $b)->pack(qw/-fill x/); $w->Button(-text => "Button B")->pack(%def); MainLoop'
# Balloon Example (Ptk,Appendix B)
perl -MTk -le '$w=tkinit; $btn=$w->Button(-text => "Button A")->pack; $bl=$w->Balloon; $bl->attach($btn, -msg => "click me"); MainLoop'
# Bitmap Example (Ptk,Appendix B)
# BrowseEntry Example (Ptk,Appendix B)
#
# Simple
perl -MTk -MTk::BrowseEntry -le 'tkinit->BrowseEntry(-label => "label", -variable => \$v, -choices => [1..10], -browsecmd => sub{print "Clicked $v"})->pack; MainLoop'
#
# Insert additional values
perl -MTk -MTk::BrowseEntry -le '$b=tkinit->BrowseEntry(-label => "label", -variable => \$v, -choices => [1..10], -browsecmd => sub{print "Clicked $v"})->pack; $b->insert("end",20,30); MainLoop'
# Button Example (Ptk,Appendix B)
# Canvas Example (Ptk,Appendix B)
#
# Simple useless canvas
perl -MTk -le '$c=tkinit->Scrolled("Canvas")->pack; MainLoop'
#
# Click in canvas window will show x,y coordinates
perl -MTk -le 'sub print_xy { my($c,$x,$y)=@_; print "(x,y) = @{[ $c->canvasx($x) ]}, @{[ $c->canvasy($y) ]} " } $c=tkinit->Scrolled("Canvas")->pack; $c->Subwidget("canvas")->CanvasBind("<Button-1>", [ \&print_xy, Ev("x"), Ev("y") ]); MainLoop'
# ColorEditor Example (Ptk,Appendix B)
# Dialog Example (Ptk,Appendix B)
# DirTree Example (Ptk,Appendix B)
# Entry Example (Ptk,Appendix B)
# ErrorDialog Example (Ptk,Appendix B)
# FileSelect Example (Ptk,Appendix B)
# Frame Example (Ptk,Appendix B)
# HList Example (Ptk,Appendix B)
perl -MTk -MTk::HList -le '$h=tkinit->HList(-indent => 20)->pack; $h->add(qw/A -text a/); $h->add(qw/A.B -text a->b/); MainLoop'
# Label Example (Ptk,Appendix B)
# LabEntry Example (Ptk,Appendix B)
# Learn how to use Text indices (demo)
perl -MTk -le '%def=qw/-side left/; $mw=tkinit; $t=$mw->Text->pack; ($i,$d)=map{my $v; $mw->LabEntry(-label => "$_:", -textvariable => \$v, -labelPack => [%def])->pack(%def); \$v} qw/Index Data/; $mw->Button(-text => "INSERT", -command => sub{$t->ins...
# LabFrame Example (Ptk,Appendix B)
# ListBox Example (Ptk,Appendix B)
# MainWindow Example (Ptk,Appendix B)
# Menu Example (Ptk,Appendix B)
# MenuButton Example (Ptk,Appendix B)
# Message Example (Ptk,Appendix B)
# NoteBook Example (Ptk,Appendix B)
# Optionmenu Example (Ptk,Appendix B)
# Pane Example (Ptk,Appendix B)
# Photo Example (Ptk,Appendix B)
# ProgressBar Example (Ptk,Appendix B)
# Radiobutton Example (Ptk,Appendix B)
# ROText Example (Ptk,Appendix B)
# Scale Example (Ptk,Appendix B)
# Table Example (Ptk,Appendix B)
# Text Example (Ptk,Appendix B)
# TextUndo Example (Ptk,Appendix B)
# Tiler Example (Ptk,Appendix B)
# TList Example (Ptk,Appendix B)
# TopLevel Example (Ptk,Appendix B)
# Tree Example (Ptk,Appendix B)
#############################################################
## Perl Modules - Tk::TextString, Tk::TextStrings
#############################################################
# Tie Text widget to store input as an entry or label would in "-variable" (PTk)
perl -MTk -le '{package P; sub TIESCALAR{my($c,$o)=@_; bless \$o,$c} sub FETCH{my($s)=@_; $$s->get("1.0", "end")} sub STORE{my($s,$v)=@_; $$s->delete("1.0", "end"); $$s->insert("end", $v)} } $mw=MainWindow->new; $t=$mw->Text->pack; tie $v, "P", $t; $...
# Tie Text widget to -variable. Set value with button or entry (PTk)
perl -MTk -le '{package P; sub TIESCALAR{my($c,$o)=@_; bless \$o,$c} sub FETCH{my($s)=@_; $$s->get("1.0", "end")} sub STORE{my($s,$v)=@_; $$s->delete("1.0", "end"); $$s->insert("end", $v)} } $mw=MainWindow->new; $t=$mw->Text->pack; tie $v, "P", $t; $...
# Example of new TextString Mega-Widget (PTk,tie,user module)
perl -MTk -MTk::TextString -w -le '$mw=MainWindow->new; $mw->TextString(-variable => \$v)->pack; $mw->Entry(-textvariable => \$v)->pack(-side => "left"); $mw->Button(-command => sub{print "[$v]"})->pack(-side => "left"); MainLoop'
# Scolled multiple text boxes through multiple -variables (PTk,tie,user module)
perl -MTk -MTk::TextString -w -le '%d=qw(-side left); $mw=MainWindow->new; @f=map{$mw->Frame->pack} 1..3; @t=map{my $v; $f[0]->TextString(-height => 2, -variable => \$v)->pack(%d); \$v} @f; $f[1]->Entry(-textvariable => $_)->pack(%d) for @t; $f[2]->B...
# Open file in readonly mode (Vim)
vi -R file
view file
# Open another file in the same Vim session
:e file2
# Switch between files in Vim
:e#
<Control> + ^
# Write if newer and quit Vim
:x
#############################################################
## Vim Config
#############################################################
# Make vim config file (Vim)
touch ~/.vimrc
# Use boolean environmental variable in vimrc
if !$ON_VM
echo "IF"
else
echo "ELSE"
endif
# Use string environmental variable in vimrc
if $FOO == 'bar'
" Vimscript to execute when the value of
" the env variable FOO equals 'bar'.
else
" Vimscript to execute otherwise.
endif
# Use syntax of the script (Vim)
:syntax on
# Use a more pleasant foreground color (Vim)
:color desert
# Color all matching items (Vim)
:set hlsearch
# Stop coloring all matching items (Vim)
:nohlsearch
# View options set by user (Vim)
:set
# View all options (Vim)
:set all
# Check the value/status of an option (Vim)
:set <option>?
:set ic? # noignorecase
# Show full path, get the head, then the tail (Vim)
:echo expand("%:p:h:t")
# Toggle an option (Vim)
:set number!
:set number!
# View status of current file (filename, Vim)
Control + G
#############################################################
## Vim Abbreviations
#############################################################
# Create an abbreviation (Vim)
# Expands in insert mode after typing "TIM "
:ab TIM Time Is Money
# View all abbreviations set (Vim)
:ab
# View value for an abbreviation (Vim)
:ab TIM
# Remove abbreviation (Vim)
:unab TIM
#############################################################
## Vim Map Command Keys
#############################################################
# View mapped commands (Vim)
:map
# Create a mapping of commands for a particular key (Vim)
# Key 'q' will go down 5 lines and make a new line
:map q 5jo
# Reverse this and the following word (Vim,2 words,demo)
:map r wBdwelpBB
# Move word to the right (Vim)
:map gr "xdiwdwep"xpb
# Move word to the left (Vim)
:map gl lbgr
# Put html markers around a word (Vim)
:map + i<I>^[ea</I>^[
# Make the backslash a map leader (Vim,portable)
# Use leaders for global plugins.
:let mapleader = "\\"
:nnoremap <leader>d dd # Same as:
:nnoremap \d dd
# Make the dash a map local leader (Vim,portable)
# Use local leaders for filetype plugins.
:let maplocalleader = "-"
:nnoremap <localleader>d yyp # Same as:
#############################################################
## Vim Tags
#############################################################
# Create a tags file (Vim)
sudo apt-get install exuberant-ctags
ctags <c_file>
ctags -f $tag -R $source --totals
# Create tags of all OMS functions (Vim)
sudo apt-get install exuberant-ctags
ctags `find ~/omspp/trunk/ -type f -name "*.[ch]" -o -name "*.cpp"`
ctags -f $tag_file $(find $oms_tree -type f -name "*.[ch]" -o -name "*.cpp")
# Jump to the tag/function underneath the cursor (Vim)
<Control> + ]
:tag
# Search for a particular tag (Vim)
:ts <tag>
# Go to the next definition for the last tag (Vim)
:tn
# Go to the previous definition for the last tag (Vim)
:tp
# List all of the definitions of the last tag (Vim)
:ts
# Jump back up in the tag stack (Vim)
<Control> + o # One jump in jump list
<Control> + t # Can be many jumps
#############################################################
## Vim Tab Spacing (Indentation)
#############################################################
# Increase indentation (with autoindent set) (Vim)
<Control> + T
# Descrease indentation (with autoindent set) (Vim)
<Control> + D
# Indent the next 2 lines (Vim)
>2j
# Indent all the lines to the end of the file (Vim)
>G
#############################################################
## Vim Syntax
#############################################################
# Comment lines in vimrc should start with "
" this is a comment
# Name of file that is opened in vim
let _curfile = expand("%:t")
# Show line numbers in vim (vimrc)
set number
# Vim resource (vimrc) file. other features.
set nowrap
set cursorline
hi CursorLine term=bold cterm=bold guibg=Grey40
set cursorcolumn
# Do not go past the end of the file when searching (Vim)
set nowrapscan
# View the current file type of a Vim file
:set filetype?
# Check the file type (Vim,xterm,shell)
file ~/bin/enter_ui.sh
# Force the syntax to be a certain type in Vim
:set syntax=perl
#############################################################
## Vim Case Changing
#############################################################
# Toggle upp and lower case (Vim)
~
# Toggle case of the next three characters (Vim)
3~
# Toggle case of the next three words (Vim)
g~3w
# Toggle case of the current word (inner word - cursor anywhere in word (Vim)
g~iw
# Toggle case of all characters to end of line (Vim)
g~$
# Toggle case of the current line (Vim)
g~~
V~
# Uppercase the visually-selected text (Vim)
v
U
# Lowercase the visually-selected text (Vim)
v
u
# Change the current line to uppercase (Vim)
gUU
VU
# Change the current line to lowercase (Vim)
guu
( run in 0.310 second using v1.01-cache-2.11-cpan-5b529ec07f3 )