alias s='screen -d -R -U && clear'
alias p='feh --force-aliasing -d --full-screen --auto-zoom'
+alias gp=gnuplot
function nh () {
export HISTFILE=/dev/null
# A password generator
function genpw () {
- tr -dc A-Za-z0-9 < /dev/urandom | head -c16
+ PW=$(tr -dc A-Za-z0-9 < /dev/urandom | head -c16)
+ if [[ ! "$1" == "-s" ]]
+ then
+ echo "$(date) ${PW}" >> ${HOME}/private/genpw.log
+ fi
+ echo ${PW}
# tr -dc [:graph:] < /dev/urandom | head -c16
echo
}
# Show the most recent files, no scroll
function lr () {
- HEIGHT=$(stty size | awk '{print $1}')
- WIDTH=$(stty size | awk '{print $2}')
- \ls -goth --time-style="+%Y %b %d %H:%M" "$@" | \
- head -$((HEIGHT-2)) | \
- cut -b1-${WIDTH}
+ TERM_SIZE=($(stty size))
+ INVIS="${VT_GREEN_FG}${VT_RESET}"
+ \ls -goth --time-style="+${VT_GREEN_FG}%Y %b %d %H:%M${VT_RESET}" "$@" | \
+ head -$((TERM_SIZE[0]-2)) | cut -b1-$((TERM_SIZE[1]+${#INVIS}))
+}
+
+######################################################################
+
+reduce-pdf () {
+
+ # /screen selects low-resolution output
+ # /ebook selects medium-resolution output
+ # /printer selects "Print Optimized" setting.
+ # /prepress selects "Prepress Optimized" setting.
+
+ quality="printer"
+
+ while [[ "$1" ]]
+ do
+ if [[ "$1" == "--help" ]] || [[ "$1" == "-h" ]]
+ then
+ echo "$0 [<file.pdf>|--quality <screen|ebook|printer|prepress>] ..."
+ return 0
+
+ elif [[ "$1" == "--quality" ]]
+ then
+ shift
+ quality="$1"
+
+ elif [[ -f "$1" ]]
+ then
+ result="$(basename "$1" .pdf)-${quality}.pdf"
+ echo -n "Generating ${result} with quality ${quality} ... "
+ gs -sDEVICE=pdfwrite \
+ -dCompatibilityLevel=1.4 \
+ -dPDFSETTINGS=/${quality} \
+ -dColorConversionStrategy=/LeaveColorUnchanged \
+ -dNOPAUSE -dQUIET -dBATCH \
+ -sOutputFile="${result}" "$1"
+ echo "done."
+ ls -hl "$1" "${result}"
+
+ else
+ echo "Cannot fine $1"
+
+ fi
+ shift
+ done
}
######################################################################