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# # username@hostname current_directory
# # history_number %
#
# PS1='\n\u@\h \w\n\! \$ '
#
# # - - - - - - - - - - -
#
# # VT102 alias: puts $host:$cwd in status line. Escape sequences are:
# # ${e}7 = save cursor position, ${e}[25;1f = move to start of status line
# # (line 25), ${e}[0K = erase line, ${e}8 = restore cursor
#
# e=`echo \\\\033` # An ESCape character
# #e=`echo x | tr x \\\\033` # Use this if your echo can't handle \nnn
# host=`uname -n`
#
# # For Korn shell:
# #alias cd=_cd
# #_cd() { cd "$1" && echo "${e}7${e}[25;1f${e}[0K${host}:${PWD}${e}8\c"; }
#
# # For bash:
# cd() { builtin cd "$1" && echo -e "${e}7${e}[25;1f${e}[0K${host}:${PWD}${e}8\c"; }
#
# # - - - - - - - - - - -
#
# # Make a blinking prompt. This example makes the prompt:
# # root:hostname
# # with `root' blinking.
# # Notice that prompt is set inside doublequotes -- so the uname -n command
# # is run once, when the PS1 string is first stored.
# #
# # For Bourne and Korn shells, put ESCape character in $e.
# # Use to start blinking mode (${e}[5m) and go back to normal mode (${e}[0m)
# # on VT100-series terminals.
# e="`echo x | tr x '\033'`"
# PS1="${e}[5mroot${e}[0m@`uname -n`# "
#
# # For bash, comment out the two lines above. Use octal character values:
# #PS1="\033[5mroot\033[0m@`uname -n`# "
#
# # - - - - - - - - - - -
#
# # This makes a multi-line prompt that shows the directory stack. These
# # commands should be put in your .bash_profile and/or .bashrc file.
# #
# # The prompt will look something like:
# #
# # username@hostname directory_stack
# # history_number %
# #
# # This makes a blank line before each prompt; to avoid that,
# # remove the first \n.
#
# PS1='\n\u@\h $(dirs)\n\! \$ '
#
# # - - - - - - - - - - -
#
# # Shell functions that run "ls" with options.
# #
# # We don't recommend making a function named "ls" that overrides the
# # standard ls. Instead, we recommend using other names for "ls"
# # (like la and lf) -- and leaving the standard ls for times you might
# # need it.
# #
# la () { ls -a "$@"; }
# lf () { ls -F "$@"; }
#
# # - - - - - - - - - - -
#
# # print a file, lines folded at right margin, filename in heading:
# prF() { fold "$1" | pr -h "$1"; }
#
# # - - - - - - - - - - -
#
# # number lines and print, lines folded at right margin, filename in heading:
# prnF() { cat -n "$1" | fold | pr -h "$1"; }
#
# # - - - - - - - - - - -
#
# # Use perl to find all "text" files (files that contain less than
# # 10% non-control characters) in the current directory:
# findtext() { perl -le '-T && print while $_ = shift' *; }
#
# # - - - - - - - - - - -
#
# # shell function that prints the name of the newest file in a group
# newer() { ls -dt "$@" | head -1; }
# # Use this instead if your system doesn't have "head":
# #newer() { ls -dt "$@" | sed 1q; }
#
# # - - - - - - - - - - -
#
# # compare modification times of /etc/motd and ~/.hushlogin to see
# # which is newer. If /etc/motd is newer, show it.
#
# case "`ls -t /etc/motd $HOME/.hushlogin`" in
# /etc/motd*) # ls printed the motd filename first
# cat /etc/motd
# touch $HOME/.hushlogin
# ;;
# esac
#
# # - - - - - - - - - - -
#
# # This shell function is for systems that don't have the tail(1) utility.
# # It outputs the last ten lines of a file or standard input.
# ptail() { sed -e :a -e '$q;N;11,$D;ba' $1; }
#
# # - - - - - - - - - - -
#
# # Shell function front-end to the "which" utility on the Power Tools disc.
# # Edit the "/usr/local/bin/which" to the right pathname for your system.
# which()
# {
# eval last=\"\$$#\"
# set | sed -n "/^$last(){$/,/^}$/p" |
# /usr/local/bin/which -i ${1+"$@"}
# }
#
# # - - - - - - - - - - -
#
# # Put date and time in the Bourne Shell prompt; update every 60 seconds:
# trap 'PS1=`date "+%a %D %H:%M%n"`\
# $\ ' 5
# while :
# do
# sleep 60
# kill -5 $$
# done &
# promptpid=$!
#
#
# # - - - - - - - - - - -
#
# # Runs vi on the filename you give; adds today's date to end of name
# vid() { vi "$1".`date +%m.%d`; }
#
# # - - - - - - - - - - -
#
# # cd with abbreviated pathnames -- Just type the initials (first
# # letter, or more) of each directory in the pathname, starting at the
# # root direcctory. Put a period after each part.
# # eg: c u.i.h. might match with /usr/include/hsfs
#
# c()
# {
# dir="$1"
#
# # Delete dots. Surround every letter with "/" and "*".
# # Add a final "/." to be sure this only matches a directory:
# dirpat="`echo $dir | sed 's/\([^.]*\)\./\/\1*/g'`/."
#
# # In case $dirpat is empty, set dummy "x" then shift it away:
# set x $dirpat; shift
#
# # Do the cd if we got one match, else print error:
# if [ "$1" = "$dirpat" ]; then
# # pattern didn't match (shell didn't expand it)
# echo "c: no match for $dirpat" 1>&2
# elif [ $# = 1 ]; then
# echo "$1"
# cd "$1"
# else
# echo "c: too many matches for $dir:" 1>&2
# ls -d "$@"
# fi
#
# unset dir dirpat
# }
#
# # - - - - - - - - - - -
#
# # shell function to search down, starting at the current directory, for
# # any file or directory name which contains the name you give this.
# ff() { find . -name "*$1*" -ls; }