Hello! 
I thought I’d share this one, that way I save a lot more time! 
It is to be used from your $HOME directory, and Not from the Console, or from /etc
I use bash version 4.2.29 you should get away with doing minor changes should you use something older, but I’d recommend walking through every option then.
Enjoy!
[code]#!/bin/bash
************* set -v -x
************* Debug
export DISPLAY=:0.0
export IFS=’
'# The Terminal.app is set up with xterm-color, and to export the LC_LANG stuff (Language/Locale )
TZ=CET
export TZ
export TERMINFO=$TERM
export TMOUT=90000
25 hours in seconds before timeout
*********** SAFETY ************************
ulimit -S -c 0
Provides control over the resources available to the shell and
to processes started by it, on systems that allow such control.
-S option specify that the soft limit is set
for the given resource. A soft limit may be increased up to
the value of the hard limit. (Automatic )
-c The maximum size of core files created (0)
*************** SET - OPTIONS **************************
set -a
Automatically mark variables and functions which are
modified or created for export to the environment of
subsequent commands. (shopt allexport)
set -b
Report the status of terminated background jobs immedi-
ately, rather than before the next primary prompt. This
is effective only when job control is enabled.
set -e
Exit immediately if a simple command (see SHELL GRAMMAR
above) exits with a non-zero status. The shell does not
exit if the command that fails is part of the command
list immediately following a while or until keyword,
part of the test in an if statement, part of a && or ||
list, or if the command’s return value is being inverted
via !. A trap on ERR, if set, is executed before the
shell exits.
set -f
Disable pathname expansion.
set -h
Remember the location of commands as they are looked up
for execution. This is enabled by default.
set -k
All arguments in the form of assignment statements are
placed in the environment for a command, not just those
that precede the command name. (!! declare -x stmnts !!)
set -m
Monitor mode. Job control is enabled. This option is
on by default for interactive shells on systems that
support it (see JOB CONTROL above). Background pro-
cesses run in a separate process group and a line con-
taining their exit status is printed upon their comple-
tion.
set -n
Read commands but do not execute them. This may be used
to check a shell script for syntax errors. This is
ignored by interactive shells.
*************** SET -o OPTIONS **************************
allexport
Same as -a. (Above)
set -o braceexpand
Same as -B. (Below)
set -o emacs
Use an emacs-style command line editing inter-
face. This is enabled by default when the shell
is interactive, unless the shell is started with
the --noediting option.
set -o errtrace
Same as -E. (Below)
set -o functrace
Same as -T. (Above)
set -o errexit
Same as -e. (Above)
set -o hashall
Same as -h. (Above)
set -o histexpand
Same as -H. (Below)
set -o history
Enable command history, as described above under HISTORY.
This option is on by default in interactive shells.
keyword
Same as -k. (Above)
set -o monitor
Same as -m (Above)
set -o noclobber
Same as -C. (Below)
set -o noexec
Same as -n. (Above)
set -o noglob
Same as -f. (Above)
set -o
nolog Currently ignored.
set -o notify
Same as -b. (Above)
set -o nounset
Same as -u. (Below)
set -o onecmd
Same as -t. (Below)
set -o physical
Same as -P. (Below)
set -o pipefail
If set, the return value of a pipeline is the
value of the last (rightmost) command to exit
with a non-zero status, or zero if all commands
in the pipeline exit successfully. This option
is disabled by default.
set -o posix
Change the behavior of bash where the default
operation differs from the POSIX standard to
match the standard (posix mode)
set -o privileged
Same as -p. (Below)
set -o verbose
Same as -v. (Below)
set -o vi
Use a vi-style command line editing interface.
set -o xtrace
Same as -x. (Below)
*************** SET - OPTIONS **************************
set -p
Turn on privileged mode. In this mode, the $ENV and
$BASH_ENV files are not processed, shell functions are
not inherited from the environment, and the SHELLOPTS
variable, if it appears in the environment, is ignored.
If the shell is started with the effective user (group)
id not equal to the real user (group) id, and the -p
option is not supplied, these actions are taken and the
effective user id is set to the real user id. If the -p
option is supplied at startup, the effective user id is
not reset. Turning this option off causes the effective
user and group ids to be set to the real user and group
ids.
set -t
Exit after reading and executing one command.
set -u
Treat unset variables as an error when performing param-
eter expansion. If expansion is attempted on an unset
variable, the shell prints an error message, and, if not
set -v
Print shell input lines as they are read.
set -x
After expanding each simple command, for command, case
command, select command, or arithmetic for command, dis-
play the expanded value of PS4, followed by the command
and its expanded arguments or associated word list.
set -B
The shell performs brace expansion (see Brace Expansion
above). This is on by default.
set -C
If set, bash does not overwrite an existing file with
the >, >&, and <> redirection operators. This may be
overridden when creating output files by using the redi-
rection operator >| instead of >.
set -E
If set, any trap on ERR is inherited by shell functions,
command substitutions, and commands executed in a sub-
shell environment. The ERR trap is normally not inher-
ited in such cases.
set -H
Enable ! style history substitution. This option is on
by default when the shell is interactive.
set -P
If set, the shell does not follow symbolic links when
executing commands such as cd that change the current
working directory. It uses the physical directory
structure instead. By default, bash follows the logical
chain of directories when performing commands which
change the current directory.
set -T
If set, any traps on DEBUG and RETURN are inherited by
shell functions, command substitutions, and commands
executed in a subshell environment. The DEBUG and
RETURN traps are normally not inherited in such cases.
set –
If no arguments follow this option, then the positional
parameters are unset. Otherwise, the positional parame-
ters are set to the args, even if some of them begin
with a -.
set -
Signal the end of options, cause all remaining args to
be assigned to the positional parameters. The -x and -v
options are turned off. If there are no args, the posi-
tional parameters remain unchanged.
The options are off by default unless otherwise noted. Using +
rather than - causes these options to be turned off. The
options can also be specified as arguments to an invocation of
the shell. The current set of options may be found in $-. The
return status is always true unless an invalid option is encoun-
tered.
************* SHOPTIONS ***************************
shopt -s cdable_vars
If set, an argument to the cd builtin command that is
not a directory is assumed to be the name of a variable
whose value is the directory to change to.
shopt -s cdspell
If set, minor errors in the spelling of a directory com-
ponent in a cd command will be corrected. The errors
checked for are transposed characters, a missing charac-
ter, and one character too many. If a correction is
found, the corrected file name is printed, and the com-
mand proceeds. This option is only used by interactive
shells.
shopt -s checkhash
If set, bash checks that a command found in the hash ta-
ble exists before trying to execute it. If a hashed
command no longer exists, a normal path search is per-
formed.
shopt -s checkwinsize
If set, bash checks the window size after each command
and, if necessary, updates the values of LINES and COL-
UMNS.
shopt -s cmdhist
If set, bash attempts to save all lines of a multiple-
line command in the same history entry. This allows
easy re-editing of multi-line commands.
shopt -s compat31
If set, bash changes its behavior to that of version 3.1
with respect to quoted arguments to the conditional com-
mand’s =~ operator.
shopt -s dotglob
If set, bash includes filenames beginning with a `.’ in
the results of pathname expansion.
There was something between this setting and noclobber in 2.05b
shopt -u execfail
If set, a non-interactive shell will not exit if it can-
not execute the file specified as an argument to the
exec builtin command. An interactive shell does not
exit if exec fails.
shopt -s expand_aliases
If set, aliases are expanded as described above under
ALIASES. This option is enabled by default for interac-
tive shells.
shopt -s extdebug
If set, behavior intended for use by debuggers is
enabled:
1. The -F option to the declare builtin displays the
source file name and line number corresponding to
each function name supplied as an argument.
2. If the command run by the DEBUG trap returns a
non-zero value, the next command is skipped and
not executed.
3. If the command run by the DEBUG trap returns a
value of 2, and the shell is executing in a sub-
routine (a shell function or a shell script exe-
cuted by the . or source builtins), a call to
return is simulated.
4. BASH_ARGC and BASH_ARGV are updated as described
in their descriptions above.
5. Function tracing is enabled: command substitu-
tion, shell functions, and subshells invoked with
( command ) inherit the DEBUG and RETURN traps.
6. Error tracing is enabled: command substitution,
shell functions, and subshells invoked with (
command ) inherit the ERROR trap.
shopt -s extglob
If set, the extended pattern matching features described
above under Pathname Expansion are enabled.
shopt -s extquote
If set, $‘string’ and $“string” quoting is performed
within ${parameter} expansions enclosed in double
quotes. This option is enabled by default.
shopt -s failglob
If set, patterns which fail to match filenames during
pathname expansion result in an expansion error.
shopt -s force_fignore
If set, the suffixes specified by the FIGNORE shell
variable cause words to be ignored when performing word
completion even if the ignored words are the only possi-
ble completions. See SHELL VARIABLES above for a
description of FIGNORE. This option is enabled by
default.
shopt -s gnu_errfmt
If set, shell error messages are written in the standard
GNU error message format.
shopt -s histappend
If set, the history list is appended to the file named
by the value of the HISTFILE variable when the shell
exits, rather than overwriting the file.
shopt -s histreedit
If set, and readline is being used, a user is given the
opportunity to re-edit a failed history substitution.
shopt -s histverify
If set, and readline is being used, the results of his-
tory substitution are not immediately passed to the
shell parser. Instead, the resulting line is loaded
into the readline editing buffer, allowing further modi-
fication.
shopt -s hostcomplete
If set, and readline is being used, bash will attempt to
perform hostname completion when a word containing a @
is being completed (see Completing under READLINE
above). This is enabled by default.
shopt -s huponexit
If set, bash will send SIGHUP to all jobs when an inter-
active login shell exits.
shopt -s interactive_comments
If set, allow a word beginning with # to cause that word
and all remaining characters on that line to be ignored
in an interactive shell (see COMMENTS above). This
option is enabled by default.
shopt -u lithist
If set, and the cmdhist option is enabled, multi-line
commands are saved to the history with embedded newlines
rather than using semicolon separators where possible.
login_shell
The shell sets this option if it is started as a login
shell (see INVOCATION above). The value may not be
changed.
shopt -u mailwarn
If set, and a file that bash is checking for mail has
been accessed since the last time it was checked, the
message ``The mail in mailfile has been read’’ is dis-
played.
shopt -u no_empty_cmd_completion
If set, and readline is being used, bash will not
attempt to search the PATH for possible completions when
completion is attempted on an empty line.
shopt -u nocaseglob
If set, bash matches filenames in a case-insensitive
fashion when performing pathname expansion (see Pathname
Expansion above).
shopt -u nocasematch
If set, bash matches patterns in a case-insensitive
fashion when performing matching while executing case or
[[ conditional commands.
shopt -s nullglob
If set, bash allows patterns which match no files (see
Pathname Expansion above) to expand to a null string,
rather than themselves.
shopt -s progcomp
If set, the programmable completion facilities (see Pro-
grammable Completion above) are enabled. This option is
enabled by default.
shopt -s promptvars
If set, prompt strings undergo parameter expansion, com-
mand substitution, arithmetic expansion, and quote
removal after being expanded as described in PROMPTING
above. This option is enabled by default.
restricted_shell
The shell sets this option if it is started in
restricted mode (see RESTRICTED SHELL below). The value
may not be changed. This is not reset when the startup
files are executed, allowing the startup files to dis-
cover whether or not a shell is restricted.
shopt -s shift_verbose
If set, the shift builtin prints an error message when
the shift count exceeds the number of positional parame-
ters.
shopt -s sourcepath
If set, the source (.) builtin uses the value of PATH to
find the directory containing the file supplied as an
argument. This option is enabled by default.
shopt -s xpg_echo
If set, the echo builtin expands backslash-escape
sequences by default.
************ HISTORY SYSTEM ****************************
the $HISTCMD variable contains nr of last event.
HISTCONTROL=ignoredups
HISTFILE=~/.bash_history
HISTFILESIZE=2000
HISTSIZE=2000
HISTIGNORE=!:/:^:ls:‘ls -l’:‘man bash’:exit:‘cd…’
HISTTIMEFORMAT="%a%c " # VER. 3.0 and later.
export HISTFILESIZE HISTSIZE HISTCONTROL HISTIGNORE HISTTIMEFORMAT
alias hi=“history |less”
export FCEDIT="nano -k "
history command line editor invoked with ‘fc’
*******************************************************
export HIST_STARTNUM=wc -l <~/.bash_history
I Recommend you add your project directories after the Documents directories
the CDPATH makes you move quickly!
~/Documents/* ~/Library/* ~/Library/Scripts/* ~/Library/Scripts/Applications/* ~/Library/Application\ Support/* ~/Library/* /Library/Scripts/* ~/Library/Application\ Support/* /opt/local/* /opt/local/share/* /usr/local/* /usr/local/share/* /Developer/* /Developer/usr/* /Developer/usr/share/* /*
CDPATH=“.:…:~:~/Desktop:~/Documents:~/Documents/Prj:~/bin:/usr/local:/usr/local/share:/opt/local”
for realm in ~/* ~/Desktop/* ~/Documents/* ~/Library/* ~/Library/Scripts/* ~/Library/Scripts/Applications/* ~/Library/Application\ Support/* ~/Library/* /Library/Scripts/* ~/Library/Application\ Support/* /opt/local/* /opt/local/share/* /usr/local/* /usr/local/share/* /Developer/* /Developer/usr/* /Developer/usr/share/* /*
do
for folder in $realm
do
if [ -d ${folder} ]
then
CDPATH=“$CDPATH”:“$folder”
fi
done
done
export CDPATH
shopt -s nullglob must be set for succesful use of this construct.
export PATH=$HOME/bin:/opt/local/bin:/opt/local/sbin:$PATH:$MYSQLBIN
Path initially set up in in .MacOsx/Environment.plist
export EDITOR=/usr/bin/bbedit
your editor here…
export PAGER=/usr/bin/less
export LESS=“-I -R -f -J -S -g -M -x 4”
-a All hits current page
-I Ignore case ;
-r “raw” doesn’t escape ctrl-chars,
-R Raw, but shows ansi escape sequences
-F Don’t open file if less than screen ful
-f force open special files (may be binary)
-J show status column
-S chop long lines.
-g highlight only last match
-M Most Verbose …
export LESSOPEN=‘| /opt/local/bin/lesspipe.sh %s’
export MANPAGER=/usr/bin/less
export CLICOLOR=1 #enables commandline colors
export LSCOLORS=bxGxcxdxbxegedabagacad
Not perfectly happy with those, but no time for it now.
I have “iron” background
alias more=/usr/bin/less