# cf. http://en.wikipedia.org/wiki/Control_character and 
# http://ascii.cl/control-characters.htm

printf '\033'"\n" | cat -vet -
printf '\x0d'"\n" | cat -vet -

[ctrl-v][esc]
[ctrl-v][ctrl-m]

printf '[ctrl-v][ctrl-m]' | cat -vet -; echo


# cf. http://codesnippets.joyent.com/posts/show/1630
printf !:1 | sed -n -e 'l' 

# for an alternative to !:1 try [esc][ctrl][y]
printf !:1 | pbcopy    

# cf. man ascii
printf $(pbpaste) | od -A n -b
printf $(pbpaste) | od -A n -t xC
printf $(pbpaste) | od -A n -t dC

printf $(pbpaste) | od -A n -c
printf $(pbpaste) | od -A n -a

echo $'hel\rlo' 
echo $'hel\rlo' | sed s/[ctrl-v][ctrl-m]//
echo $'hel\rlo' | sed 's/[ctrl-v][ctrl-m]//'
echo $'hel\rlo' | sed "s/[ctrl-v][ctrl-m]//"
echo $'hel\rlo' | sed s/$'[ctrl-v][ctrl-m]'//


man infocmp
infocmp --help

infocmp -1 | grep '\^'
infocmp -1 | grep '\<k'
infocmp -L1 | grep '\^'
infocmp -I1 | grep '\^'
infocmp -C1 | grep '\^'


tput cup 0 0
tput cup 0 0 | cat -vet -; echo
tput cup 0 0 | sed -n -e 'l'
tput cup 0 0 | od -A n -c | sed '$,$d'
tput cup 0 0 | od -A n -a | sed '$,$d'
tput cup 0 0 | od -A n -b | sed '$,$d'
tput cup 0 0 | od -A n -t xC | sed '$,$d'

tput sgr0 | cat -vet -; echo
tput cuu | cat -vet -; echo
tput up | cat -vet -; echo
tput dl1 | cat -vet -; echo

tput kbs | wc -c
tput kbs | ruby -n -e 'p $_.to_s'


printf "%s\000\n" "str" | cat -vet -
printf "%s\000\n" "str" | od -A n -b | sed '$,$d'
printf "%s\000\n" "str" | sed -n -e 'l'
printf "%s\000\n" "str" | ruby -n -e 'p $_.to_s'

export PATH=/usr/bin:/bin:/usr/sbin:/sbin
export IFS=$' \t\n'

mkdir -p ~/Desktop/TestDir
touch ~/Desktop/TestDir/file{1,2,3,4,5}.txt
open ~/Desktop/TestDir

cd ~/Desktop/TestDir

touch -i

touch ~/Desktop/TestDir/-i

touch -- -i
chmod 000 -i
touch -- --i.txt
chmod 000 --i.txt

rm -f -i
rm -f -i -R *

rm -f -- -i
rm -f -- --i.txt

#rm -f ./-i
#rm -f ./--i.txt

rm -f -i -R *

export PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin
export IFS=$' \t\n'

# download & install flip
cd ~/Desktop
curl -L -O http://ccrma-www.stanford.edu/~craig/utility/flip/flip.osx
mv ~/Desktop/flip.osx ~/Desktop/flip
/usr/bin/sudo /bin/cp -ip ~/Desktop/flip /usr/bin
/usr/bin/sudo /usr/sbin/chown root:wheel /usr/bin/flip
/usr/bin/sudo /bin/chmod +x /usr/bin/flip
ls -l /usr/bin/flip

flip
flip -t /path/to/file     # display current file type
flip -u /path/to/file     # convert to Unix: "\n"
flip -d /path/to/file     # convert to MS-DOS/Windows: "\r\n"
flip -m /path/to/file     # convert to Macintosh (OS 9): "\r"


#----------------------------------


# create a test file

testfile="${HOME}/Desktop/testfile.txt"

function createfile() {
   testfile="${HOME}/Desktop/testfile.txt"
   /usr/bin/jot -b 'sample text' 10 | /bin/cat -n > "$testfile"
   # append a line with a '\r\n' line separator
   printf "%s\r\n\r\n\r\r\n" "sample text" >> "$testfile"      
   # append a last line without a terminating '\n'
   printf "%s" "sample text" >> "$testfile"          
   return 0
}


function odcfile() {

/usr/bin/od -A n -c < "$@" | /usr/bin/sed -E -e 's/^[[:space:]]{11}//' \
       -e s/[[:space:]]{4}/$'\001'/g \
       -e 's/[[:space:]]+//g' | \
       /usr/bin/tr -d '\n' | /usr/bin/tr '\001' ' ' | \
       /usr/bin/sed -e s/\\\\n/$'\\\\\\n\\\n'/g 

return 0
}


createfile
odcfile "$testfile"
flip -t "$testfile"     # display current file type

flip -d "$testfile"     # convert to MS-DOS/Windows: "\r\n"
flip -t "$testfile"
odcfile "$testfile"

flip -m "$testfile"     # convert to Macintosh (OS 9): "\r"
flip -t "$testfile"
odcfile "$testfile"

flip -u "$testfile"     # convert to Unix: "\n"
flip -t "$testfile"
odcfile "$testfile"

# delete newlines

printf "a\nb\nc\nd\ne\nf" | sed -n -e 'l'
printf "a\nb\nc\nd\ne\nf" | sed -E -e :a -e '$!N; s/\n//g; ta'

printf "a\n\nb" | sed -n -e 'l'
printf "a\n\nb" | sed -E -e :a -e '$!N; s/\n//g; ta' | sed -n -e 'l'
printf "a\n\nb" | sed -E -e :a -e '$!N; s/\n$//g; ta' | sed -n -e 'l'
printf "a\n\n\n\n\n\nb" | sed -E -e :a -e '$!N; s/\n$//g; ta' | sed -n -e 'l'


# delete carriage returns

printf "he\r\rllo\n" | sed -n -e 'l'
printf "he\r\rllo\n" | sed -e s/$'\r'//g | sed -n -e 'l'
printf "he\r\rllo\n" | sed -e s/$'\r\r'/$'\r'/g | sed -n -e 'l'

CR=$'\r'
printf "hello\r\r\n" | sed "s/$CR$CR$/$CR/g" | sed -n -e 'l'


# alternatives

printf "a\nb\nc\nd\ne\nf" | tr -d '\n'

# cf. http://linux.dsplabs.com.au/rmnl-remove-new-line-characters-tr-awk-perl-sed-c-cpp-bash-python-xargs-ghc-ghci-haskell-sam-ssam-p65/
while read -d $'\n'; do echo -n "${REPLY} "; done < <((printf "a\nb\nc\nd\ne\nf"))
while read -d $'\n'; do printf "%s   " "${REPLY}"; done < <((printf "a\nb\nc\nd\ne\nf"))

xargs echo < <((printf "a\nb\nc\nd\ne\nf"))
xargs printf "%s " < <((printf "a\nb\nc\nd\ne\nf"))

printf "a\nb\nc\nd\ne\nf" | /usr/bin/paste -s -d ' ' -     # cf. man paste

# delete newlines in-place (also see below)
vim -e -s +':%j' +'w!' +'qa!' /path/to/file

# insert newlines again
printf "%s\n" "hello" | sed -e s/l/$'\\\n'/g | sed -n -e 'l'
printf "%s\n" "hello" | sed -E s/\(l\)/\\1$'\\\n'/g | sed -n -e 'l'


#-----------------------------------------------------------


# converting between \n and \n\r

# cf. also flip, http://ccrma.stanford.edu/~craig/utility/flip/ and 
# http://codesnippets.joyent.com/posts/show/1660


# convert \n into \r\n
printf "a\nb\nc\nd\ne\nf\n"
printf "a\nb\nc\nd\ne\nf\n" | sed -n -e 'l'

printf "a\nb\nc\nd\ne\nf\n" | sed s/$/$'\r'/
printf "a\nb\nc\nd\ne\nf\n" | sed s/$/$'\r'/ | sed -n -e 'l'

printf "a\nb\n\n\n\n\n\n\n\n\n\n\nc\nd\ne\nf\n" | sed -E -e :a -e '$!N; s/\n$//g; ta' | sed -E s/$/$'\r'/ | sed -n -e 'l'

while read -d $'\n'; do printf "%s\r\n" "${REPLY}"; done < <((printf "a\nb\nc\nd\ne\nf\n"))
while read -d $'\n'; do printf "%s\r\n" "${REPLY}"; done < <((printf "a\nb\nc\nd\ne\nf\n")) | sed -n -e 'l'


# convert \r\n into \n
printf "a\r\nb\r\nc\r\nd\r\ne\r\nf\r\n"
printf "a\r\nb\r\nc\r\nd\r\ne\r\nf\r\n" | sed -n -e 'l'

printf "a\r\nb\r\nc\r\nd\r\ne\r\nf\r\n" | sed s/$'\r'$//
printf "a\r\nb\r\nc\r\nd\r\ne\r\nf\r\n" | sed s/$'\r'$// | sed -n -e 'l'

printf "a\r\nb\r\r\r\r\r\r\r\r\r\r\nc\r\nd\r\ne\r\nf\r\n" | sed s/$'\r'*$// | sed -n -e 'l'
printf "a\r\nb\r\r\r\r\r\r\r\r\r\r\nc\r\nd\r\ne\r\nf\r\n" | sed -E s/$'\r'+$// | sed -n -e 'l'

# lacks a terminating \n though
while read -d $'\r'; do printf "%s" "${REPLY}"; done < <((printf "a\r\nb\r\nc\r\nd\r\ne\r\nf\r\n"))
while read -d $'\r'; do printf "%s" "${REPLY}"; done < <((printf "a\r\nb\r\nc\r\nd\r\ne\r\nf\r\n")) | sed -n -e 'l'


#---------------------------------------


# create test files

testfile="${HOME}/Desktop/testfile.txt"
output="${HOME}/Desktop/output.txt"

function createfiles() {

testfile="${HOME}/Desktop/testfile.txt"
output="${HOME}/Desktop/output.txt"

/usr/bin/touch "$output"

#/usr/bin/jot -b 'sample text' 10 | /bin/cat > "$testfile"
/usr/bin/jot -b 'sample text' 10 | /bin/cat -n > "$testfile"
printf "%s\r\n\r\n\r\r\n" "sample text" >> "$testfile"      # append a line with a '\r\n' line separator
printf "%s" "sample text" >> "$testfile"          # append a last line without a terminating '\n'

return 0
}

createfiles


# inspect test file

cat -vet "$testfile"
ed -s "$testfile" <<< $',l'
sed -n -e 'l'  "$testfile"
ruby -n -e 'p $_.to_s' < "$testfile"


function odcfile() {

/usr/bin/od -A n -c < "$@" | /usr/bin/sed -E -e 's/^[[:space:]]{11}//' \
       -e s/[[:space:]]{4}/$'\001'/g \
       -e 's/[[:space:]]+//g' | \
       /usr/bin/tr -d '\n' | /usr/bin/tr '\001' ' ' | \
       /usr/bin/sed -e s/\\\\n/$'\\\\\\n\\\n'/g 

return 0
}


odcfile "$testfile"


# remove newlines "\n"

# create a new file with newline characters replaced with a space
sed -e :a -e '$!N; s/\n/ /g; ta' "$testfile" > "$output"
odcfile "$output"

# same, but in-place
sed -i "" -e :a -e '$!N; s/\n/ /g; ta' "$testfile"
odcfile "$testfile"

createfiles

# delete newlines in-place
sed -i "" -e :a -e '$!N; s/\n//g; ta' "$testfile"
odcfile "$testfile"

createfiles

# alternative for creating a new file without newlines
tr -d '\n' < "$testfile" > "$output"
odcfile "$output"



# delete carriage returns "\r"

# create a new file with carriage returns deleted
sed -e s/$'\r'//g "$testfile" > "$output"
sed -e s/$'\r'$//g "$testfile" > "$output"  # only at line end
odcfile "$output"

# alternative
tr -d '\r' < "$testfile" > "$output"
odcfile "$output"


# delete carriage returns in-place

sed -i "" -e s/$'\r'//g "$testfile" > "$output"
odcfile "$testfile"

createfiles

# cf. http://bash-hackers.org/wiki/doku.php?id=howto:edit-ed (Pitfalls)
ed -s "$testfile" <<< $'H\n,g/\r/s/\r//\n,w'      # delete one carriage return in a line
ed -s "$testfile" <<< $'H\n,g/\r/s/\r//g\n,w'     # delete all carriage returns in a line
ed -s "$testfile" <<< $'H\n,g/\r$/s/\r$//g\n,w'   # delete a carriage return at line end

odcfile "$testfile"



printf "\n" | od -A n -c
printf "\012" | od -A n -c
printf "\x0a" | od -A n -c

printf '[ctrl-v][ctrl-j]' | od -A n -c      #  \n or ^J


printf "\r" | od -A n -c
printf "\015" | od -A n -c
printf "\x0d" | od -A n -c

printf '[ctrl-v][ctrl-j]' | od -A n -c      #  \r or ^M


# vim
createfiles

vim "$testfile"
#...
:set number
:set list
:%s/^M//g
:set fileformat=unix
#:set fileformat=dos
:x

odcfile "$testfile"


# edit files in-place with vim

createfiles

# delete newlines in-place
vim -e -s +':%j' +'w!' +'qa!' "$testfile"
odcfile "$output"

createfiles

# replace every \r with \n
# cf. http://vim.wikia.com/wiki/Change_end-of-line_format_for_dos-mac-unix
vim -e -s +':%s/\r/\r/g' +':set fileformat=unix' +'w!' +'qa!' "$testfile"
odcfile "$output"

createfiles

# delete every \r
vim -e -s +':%s/\r//g' +':set fileformat=unix' +'w!' +'qa!' "$testfile"
odcfile "$output"

createfiles

# delete \r only when it occurs at the end of a line
vim -e -s +':%s/\r$//g' +':set fileformat=unix' +'w!' +'qa!' "$testfile"
odcfile "$output"

createfiles

# replace carriage return line endings with \n
# cf. Getting rid of ^M - mixing dos and unix, http://www.vim.org/tips/tip.php?tip_id=26
printf "\r" >> "$testfile"
vim -e -s +':g/\r$/s///g' +':set fileformat=unix' +'w!' +'qa!' "$testfile"
odcfile "$testfile"

createfiles

# delete last \n of file
vim -e -s +':set noeol bin' +':set fileformat=unix' +'w!' +'qa!' "$testfile"
odcfile "$output"

createfiles

# change mixed mode files to DOS mode
#vim -e -s +':%s/\r\r/\r/g' +'w!' +'qa!' "$testfile"
sed -i '' -e s/$'\r\r'/$'\r'/g  "$testfile"
vim -e -s +':e ++ff=dos' +'w!' +'qa!' "$testfile"
vim -e -s +':e ++ff=dos' +':set ff=dos' +'w!' +'qa!' "$testfile"
odcfile "$output"

vim "$testfile"
:set ff?
:x

# open directory of a file path
# can be used together with the [esc-.] key sequence
function odf() { /usr/bin/open "$(/usr/bin/dirname "$@")"; return 0; }

# cd to the directory of a file path
function cdf() { cd "$(/usr/bin/dirname "$@")"; return 0; }


ls -l /Library/Desktop\ Pictures/Nature/Tranquil\ Surface.jpg
ls -l /System/Library/CoreServices/CoreTypes.bundle/Contents/Resources/ExecutableBinaryIcon.icns 

odf [esc-.]
cdf [esc-.]


odf /System/Library/SystemProfiler/SPFirewallReporter.spreporter/Contents/Resources/
cdf /System/Library/SystemProfiler/SPFirewallReporter.spreporter/Contents/Resources/English.lproj/Localizable.strings

man system_profiler

function sptypes() {
   /usr/sbin/system_profiler -listDataTypes | /usr/bin/sed '1d' | /usr/bin/sort | /usr/bin/nl
   return 0
}

unset -f sptype
function sptype() {
   declare -i num
   declare sptypename
   num=$1
   #sptypename="$(/usr/sbin/system_profiler -listDataTypes | /usr/bin/sed '1d'  | /usr/bin/sort | /usr/bin/nl | /usr/bin/egrep "^[[:space:]]+${num}[[:space:]]" | /usr/bin/awk '{print $NF}')"
   sptypename="$(/usr/sbin/system_profiler -listDataTypes | /usr/bin/sed '1d' | /usr/bin/sort | /usr/bin/nl | /usr/bin/grep -w "${num}" | /usr/bin/awk '{print $NF}')"
   printf "\n\e[1m%s\e[m\n\n" "${sptypename}:"
   system_profiler "${sptypename}"
   return 0
}


sptypes
sptype 5

sptypes | grep -i pref
sptype 26 | less -R


#------------------------------------------


# interactive version
unset -f sptype
function sptype() {
   declare -a array
   declare -i num
   array=($(/usr/sbin/system_profiler -listDataTypes | /usr/bin/sed '1d' | /usr/bin/tr '\n' ' '))
   echo
   printf "%s\n" "${array[@]}" | /usr/bin/nl
   echo
   printf "\n\e[1m%s\e[m" "Please select a number:  "
   read num
   num=$num-1
   echo
   printf "\n\e[1m%s\e[m\n\n" "${array[${num}]}: "
   system_profiler $(echo "${array[${num}]}")
   #system_profiler $(echo "${array[${num}]}") | less -R
   return 0
}

sptype

tput lines
tput cols

echo $LINES
echo $COLUMNS

stty size
stty size | awk '{print $1}'    # lines
stty size | awk '{print $NF}'   # columns

stty size | cut -d" " -f1   # lines
stty size | cut -d" " -f2   # columns 

stty -a | awk '/rows/ {print $4}'      # lines
stty -a | awk '/columns/ {print $6}'   # columns

stty -a | sed -E -n -e 's/^.*[^[:digit:]]([[:digit:]]+)[[:space:]]+rows;.*$/\1/p;q;'
stty -a | sed -E -n -e 's/^.*[^[:digit:]]([[:digit:]]+)[[:space:]]+columns;.*$/\1/p;q;'



# automatically resize the Terminal window if it gets smaller than the default size

# positive integer test (including zero)
function positive_int() { return $(test "$@" -eq "$@" > /dev/null 2>&1 && test "$@" -ge 0 > /dev/null 2>&1); }


# resize the Terminal window
function sizetw() { 
   if [[ $# -eq 2 ]] && $(positive_int "$1") && $(positive_int "$2"); then 
      printf "\e[8;${1};${2};t"
      return 0
   fi
   return 1
}


# the default Terminal window size: 26 lines and 107 columns
sizetw 26 107


# automatically adjust Terminal window size
function defaultwindow() {

   DEFAULTLINES=26
   DEFAULTCOLUMNS=107

   if [[ $(/usr/bin/tput lines) -lt $DEFAULTLINES ]] && [[ $(/usr/bin/tput cols) -lt $DEFAULTCOLUMNS ]]; then
      sizetw $DEFAULTLINES $DEFAULTCOLUMNS
   elif [[ $(/usr/bin/tput lines) -lt $DEFAULTLINES ]]; then
      sizetw $DEFAULTLINES $(/usr/bin/tput cols)
   elif [[ $(/usr/bin/tput cols) -lt $DEFAULTCOLUMNS ]]; then
      sizetw $(/usr/bin/tput lines) $DEFAULTCOLUMNS
   fi

   return 0
}


# SIGWINCH is the window change signal
trap defaultwindow SIGWINCH    


sizetw 26 70
sizetw 10 107
sizetw 4 15

bind '"\M-d"':kill-whole-line

# Clear the entire current line by pressing the [esc-d] key sequence;
# in contrast to ctrl-u & ctrl-k the cursor position does not matter.
# cf. http://www.bigsmoke.us/readline/shortcuts

echo [esc-d] string   


#-------------------------


/bin/cat >> ~/.inputrc <<-'EOF'

"\M-d": kill-whole-line

EOF

# reinitialize ~/.inputrc
exec /bin/bash    
source ~/.bash_login ~/.bashrc

echo [esc-d] string

export PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin
export IFS=$' \t\n'


# download & install duti, MacVim and TextMate

# duti - set default UTI handlers
# cf. http://duti.sourceforge.net/documentation.php and
# http://developer.apple.com/macosx/uniformtypeidentifiers.html

cd ~/Desktop
curl -L -O http://downloads.sourceforge.net/duti/duti-1.3.0.pkg.tar.gz
tar -xzf duti-1.3.0.pkg.tar.gz
open -a Installer duti-1.3.0.pkg
stat -x /usr/local/bin/duti
duti -h
man duti


# MacVim, http://code.google.com/p/macvim/

cd ~/Desktop
curl -L -O http://macvim.googlecode.com/files/MacVim-7_2-stable-1_2.tbz
tar -xjf MacVim-7_2-stable-1_2.tbz
#open MacVim-7_2-stable-1_2.tbz    # uses BOMArchiveHelper (10.4) or Archive Utility (10.5) respectively
mv -i MacVim-7_2-stable-1_2 MacVim
mv -i ~/Desktop/MacVim /Applications


# TextMate, http://macromates.com

cd ~/Desktop
curl -L -O http://macromates.com/textmate/files/TextMate_1.5.7.dmg
hdiutil mount ~/Desktop/TextMate_1.5.7.dmg
cp -Ri '/Volumes/TextMate 1.5.7/TextMate.app' /Applications
hdiutil unmount '/Volumes/TextMate 1.5.7'
#/usr/bin/sudo /bin/ln -s /Applications/TextMate.app/Contents/Resources/mate /usr/local/bin/mate


# get the path to the "lsregister" command
locate lsregister | head -n 1
find /System/Library/Frameworks -type f -name lsregister -ls
find /System/Library/Frameworks/CoreServices.framework -type f -name lsregister -ls

alias lsregister="/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LaunchServices.framework/Versions/A/Support/lsregister"

#/usr/bin/sudo /bin/ln -s `locate lsregister | head -n 1` /bin/lsregister   # alternative

# rebuild Launch Services database
#alias rlsdb='lsregister -kill -r -f -all system,local,user'    # Mac OS X 10.5; cf. http://9stmaryrd.com/2008/05/16/158
alias rlsdb='lsregister -kill -r -f -domain local -domain system -domain user'

rlsdb

lsregister -h

lsregister -dump | grep -i duti
lsregister -dump | grep -i MacVim
lsregister -dump | grep -i TextMate
lsregister -dump | grep -i TextEdit
lsregister -dump | grep -i Safari
lsregister -dump | grep -i helpviewer


lsregister -dump | sed -E -n -e 's/^.*uti:[[:space:]]+(.*)$/  \1/p' | sort | uniq | nl
lsregister -dump | grep '[[:space:]]uti:' | awk '{ print $2 }' | sort | uniq | nl
lsregister -dump | sed -E -n -e 's/^.*identifier:[[:space:]]+([^[:space:]].*)$/  \1/p' | sort | uniq | nl
lsregister -dump | sed -E -n -e 's/^.*path:[[:space:]]+([^[:space:]].*\.app)$/  \1/p' | sort | uniq | nl


lsregister -dump | sed -E -n -e 's/^.*uti:[[:space:]]+(.*)$/  \1/p' | nl | egrep -i 'duti|MacVim|TextMate|TextEdit|Safari|helpviewer'
lsregister -dump | sed -E -n -e 's/^.*identifier:[[:space:]]+([^[:space:]].*)$/  \1/p' | nl | egrep -i 'duti|MacVim|TextMate|TextEdit|Safari|helpviewer'
lsregister -dump | sed -E -n -e 's/^.*path:[[:space:]]+([^[:space:]].*\.app)$/  \1/p' | nl | egrep -i 'duti|MacVim|TextMate|TextEdit|Safari|helpviewer'


lsregister -dump | sed -E -n -e 's/^.*uti:[[:space:]]+(public\..*)$/  \1/p' | sort | uniq | nl
lsregister -dump | sed -E -n -e 's/^.*uti:[[:space:]]+(.*text.*)$/  \1/p' | sort | uniq | nl


alias utis="lsregister -dump | grep '[[:space:]]uti:' | awk '{ print \$2 }' | sort | uniq"
alias utis="lsregister -dump | sed -E -n -e 's/^.*uti:[[:space:]]+(.*)$/\1/p' | sort | uniq"
utis

utis | grep -i 'public\.' | nl

defaults read com.apple.LaunchServices


# move & copy the same file
unset -f mc
function mc() {
   if [[ $# -gt 1 ]] || [[ ! -e "$@" ]]; then return 1; fi
   tmpfile="${@}.tmp-${RANDOM}"
   printf "%s\n" "$tmpfile"
   /bin/mv "$@" "${tmpfile}"
   /bin/sleep 0.2
   /bin/cp -p "${tmpfile}" "$@"
   /bin/rm "${tmpfile}"
   return 0
}


unset -f mc
function mc() {
   if [[ $# -gt 1 ]] || [[ ! -e "$@" ]]; then return 1; fi
   tmpfile="/tmp/tmpfile.tmp-${RANDOM}"
   printf "%s\n" "$tmpfile"
   /bin/mv "$@" "${tmpfile}"
   /bin/sleep 0.2
   /bin/cp -Rp "${tmpfile}" "$@"
   /bin/rm -Rf "${tmpfile}"
   return 0
}



echo hello world > ~/Desktop/test.txt
echo hello world > ~/Desktop/test.html


# switch between Safari & Help Viewer as the default launching app for html files
open ~/Desktop/test.html


# cf. http://duti.sourceforge.net/documentation.php

printf "%s\n" 'com.apple.helpviewer   public.html   all' | duti     
mc ~/Desktop/test.html
open ~/Desktop/test.html

printf "%s\n" 'com.apple.Safari   public.html   all' | duti
mc ~/Desktop/test.html
open ~/Desktop/test.html

rlsdb


# switch between TextEdit, MacVim & TextMate as the default launching app for plain text files

open ~/Desktop/test.txt

printf "%s\n" 'com.macromates.textmate   public.plain-text   all' | duti
open ~/Desktop/test.txt
mc ~/Desktop/test.txt

printf "%s\n" 'org.vim.MacVim   public.plain-text   all' | duti
open ~/Desktop/test.txt    # type: ":q" or ":x" to quit test.txt
mc ~/Desktop/test.txt

printf "%s\n" 'com.apple.TextEdit   public.plain-text   all' | duti
open ~/Desktop/test.txt
mc ~/Desktop/test.txt



# cf. http://duti.sourceforge.net/documentation.php

/bin/cat > ~/Desktop/test.duti <<-'EOF'
com.apple.helpviewer   public.html   all
com.macromates.textmate   public.plain-text   all
EOF

# remove white space at line beginning
ed -s ~/Desktop/test.duti <<< $',s/^[[:space:]]*//\nw'

open -e ~/Desktop/test.duti

duti -v ~/Desktop/test.duti

mc ~/Desktop/test.html
open ~/Desktop/test.html

mc ~/Desktop/test.txt
open ~/Desktop/test.txt


#--------------------------------------------------


# GUI alternative to switch the default launching app for a single file
[right-click on a file] + [alt]  ->  "Always Open With"

# GUI alternative to change the default launching app for all files of the same kind
[right-click on a file] -> "Get Info" -> "Open with:" -> [select an app] -> "Change All ..."

locate -i *keyboardviewerserver

alias kv='/usr/bin/open /System/Library/Components/KeyboardViewer.component/Contents/SharedSupport/KeyboardViewerServer.app'

kv


# cf. Accented letters and other symbols on the Mac,
# http://mac4translators.blogspot.com/2008/08/accented-letters-and-other-symbols-on.html

[cmd]     #  hold the command key
[alt]
[alt][shift]