====== Login Banner with Calendar ====== A small shell script that uses cal and other builtin info to display a nicely cached (hence fast) color calendar banner from your .bashrc. The calendar data is in hungarian.


#!/bin/bash
#bash banner script by mcree

#################################
# CACHE HIT

f=~/.banner.tmp

stat=`stat -c %y $f 2> /dev/null | cut -f 1 -d' ' `
date=`date +%Y-%m-%d`

if [ "$stat" = "$date" ]; then
    cat $f
    return
fi

#################################
# DATA

honapok=`cat < $f

cal=`cal -f 1 2>/dev/null`
if [ -z "$cal" ]; then
    cal=`cal -m 2>/dev/null`
fi
if [ -z "$cal" ]; then
    cal=`cal 2>/dev/null`
fi


echo -e "$C_MAGENTA$b$C_GRAY  h  k sz cs  p sz  v" >> "$f"
callines=`echo -e "$cal" -f 1 | wc -l`
callines=`expr $callines - 2`
day="1"
line="0"
echo -e "$cal" | tail -n$callines | tr ' ' '#' | while read x; do
    line=`expr $line + 1`
    if [ $x ]; then 
    week=`date -d "$Y-$m-$day +1 day" +"%V"`
    echo -ne "$C_DCYAN$week$C_RESET " >>$f
    for i in `seq 1 3 20`; do
	ii=`expr $i + 1`
	day=`echo $x | cut -b$i-$ii | tr -d '#'` 
	if [ $day ]; then
	    dow=`date -d "$Y-$m-$day" +"%u"`
	    if expr $day = $d > /dev/null; then
		printf " $B_RED%2i$C_RESET" $day >>$f
	    else 
		if [ $dow = "6" -o $dow = "7"  ]; then
		    printf " $C_DRED%2i$C_RESET" $day >>$f
		else		    
		    printf " $C_GRAY%2i$C_RESET" $day >>$f
		fi
	    fi
	else
	    echo -ne "   " >>$f
	fi
    done

    echo -ne "  $C_GRAY|$C_RESET " >> $f
    case "$line" in
	"1") echo -ne " $C_DYELLOW$Y-$m-$d, $C_YELLOW$A" >> $f ;;
	"2") echo -ne " $C_GRAY$B: $C_BLUE$todaymonth" >> $f ;;
	"3") echo -ne " $C_WHITE$todaynevnap;$C_GREY $tomorrownevnap;$C_DGREY $ttomorrownevnap;" >> $f ;;
	"4") echo -ne " $C_DBLUE$todayvilagnap" >> $f ;;
    esac

    echo -e "$C_RESET" >>$f
    fi
done

cat $f

{{tag>util calendar login bash}} ~~LINKBACK~~