CasperSecurity
#!/bin/sh
# $MawkId: hical,v 1.4 2009/08/21 00:36:34 tom Exp $
# @(#) hical - displays previous, current & next months - today highlighted
# @(#) an "internationalizationable" version of a 3-month 'cal' display, it
# @(#) may be edited for week to start with Sun or Mon & for local language
prog=${TMPDIR-/tmp}/hical.$$ ; trap 'rm -f $prog ; trap 0 ; exit' 0 1 2 3 15
: ${so:=`tput smso`} ${se:=`tput rmso`}
# USER EDITS MAY BE REQUIRED for the arguments to the 'date' command
# the script presumes 'date' recognizes these arguments in these ways:
# w - Day of the week - Sunday = 0
# m - Month of year - 01 to 12
# d - Day of month - 01 to 31
# T - Time as HH:MM:SS
# Y - Year (including century), as decimal numbers
DATE_ARGS='%w %m %d %T %Y'
# the 'awk' program file is written to a temporary file to avoid any
# "arg list too long" error messages, yet have all the code in one file.
cat >$prog <<'EOF'
{
# USER EDITS MAY BE REQUIRED (for FMT, day & month names, and the time stuff)
# FMT = 0 # for weekdays ordered "Mo Tu We Th Fr Sa Su"
FMT = 1 # for weekdays ordered "Su Mo Tu We Th Fr Sa"
Header[0] = "Mo Tu We Th Fr Sa Su"
Header[1] = "Su Mo Tu We Th Fr Sa"
months = "Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec"
time_is = "The time is:" ; time_fmt = "%s %s %s %s\n"
# NO MORE USER EDITS REQUIRED (I think!)
split(months,M_Name) ; split("31 28 31 30 31 30 31 31 30 31 30 31",M_Len)
daynum = $1 + FMT
Mon[2] = $2 + 0
today = $3 + 0
time = $4
Year[1] = Year[2] = Year[3] = $NF
if ( Mon[2] == 1 ) { Year[1] = Year[1] - 1 ; Mon[1] = 12 }
else { Mon[1] = Mon[2] - 1 }
if ( Mon[2] == 12 ) { Year[3] = Year[3] + 1 ; Mon[3] = 1 }
else { Mon[3] = Mon[2] + 1 }
if ( Year[2] % 4 == 0 &&
Year[2] % 100 != 0 ||
Year[2] % 400 == 0 ) M_Len[2] = 29
Start[2] = 7 - ( ( today - daynum ) % 7 )
Start[1] = 7 - ( ( M_Len[Mon[1]] - Start[2] ) % 7 )
Start[3] = ( M_Len[Mon[2]] + Start[2] ) % 7
for (i=1;i<=3;i++) { while ( Start[i] >= 7 ) Start[i] -= 7 }
for (mm=1;mm<=3;mm++) {
if ( Year[mm] != Year[mm-1] )
printf( "%s %s %s\n", so, Year[mm], se )
if ( mm == 1 ) printf( "%s %s %s\n", so, Header[FMT], se )
j = k = 1
while ( j <= M_Len[Mon[mm]] ) {
line = ""
for (i=1;i<=7;i++) {
if ( Start[mm] > 0 || j > M_Len[Mon[mm]] ) { date = "" ; Start[mm]-- }
else date = j++
if ( mm == 2 && date == today ) { So = so ; Se = se }
else { So = Se = "" }
line = sprintf( "%s%s%2s%s ", line, So, date, Se )
}
m1 = substr(M_Name[Mon[mm]],k++,1)
printf( "%s %1s %s %s%s %s\n", so, m1, se, line, so, se )
}
}
printf( time_fmt, so, time_is, time, se )
}
EOF
date +"$DATE_ARGS" | ${AWK:=mawk} -f $prog so=$so se=$se
exit 0
# EOF 'hical' - Tue Dec 19 19:19:19 EST 1994
# Bob Stockler - bob@trebor.iglou.com - CIS: 72726,452