As a rule, you would use $hour for a numeric value vice ${hour} for text.
Code:
# hour=`date +%H`
# echo $hour
10
# hour_plus_10=$(($hour + 10))
# echo $hour_plus_10
20
To use the string version:
# echo "What is your ${hour}-${hour_plus_10}?"
What is your 10-20?
Last edited by mfsteve; 02-22-2011 at 11:09 AM..
Reason: Additional info
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08302016113611861
08302016113623442
08302016113541570
08302016113557732
08302016113548439
08302016112853115
08302016113620684
08302016113432827
08302016113630321
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Please use CODE tags as required by forum rules! (6 Replies)
Discussion started by: dsravanam
6 Replies
LEARN ABOUT DEBIAN
wmcalclock
WMCALCLOCK(1) General Commands Manual WMCALCLOCK(1)NAME
WMCALCLOCK - Dockable Calendar Clock
SYNOPSIS
wmCalClock [-h] [-display <Display>] [-b <Volume>] [-e <Command>] [-24] [-s] [-S] [-L <Longitude>] [-l] [-tc <color>] [-bc <color>] [-tek-
ton] [-comicsans] [-arial] [-luggerbug] [-jazz]
DESCRIPTION
wmCalClock is a simple Calendar Clock with anti-aliased text and drop-shadows.
OPTIONS -h Display list of command-line options.
-display [display]
Use an alternate X Display.
-b <Volume>
Beep on the hour with specified volume (between -100 and 100).
-e <Command>
Command to execute via double click of mouse button 1. (Use quotes if your command has white space in it).
-24 Show time in 24-hour format instead of default 12-hour AM/PM format.
-30 Show local time in 30-hour format. Times between midnight and 6 AM are displayed as belonging to the previous day, so the hour
ranges from 6 to 29.
-g Show Greenwich Mean Time (GMT).
-s Show Greenwich Mean Sidereal Time (GMST) in 24-hour format.
-S Dont show seconds.
-L <Longitude>
Show Local Sidereal Time (LST) in 24-hour format. Longitude is in degrees (- for West + for East).
-l Force use of lower color pixmap to conserve colors. On displays with <= 8 bits, the low color Pixmap will always be used.
-tc <color>
Change color of time-field digits.
-bc <color>
Change color of time-field background.
-tekton
Use the Tekton font for time field.
-arial Use the Arial (i.e. Helvetica) font for time field.
-jazz Use the JazzPoster font for time field.
-luggerbug
Use the LuggerBug font for time field.
-comicsans
Use the ComicSans font for time field.
BUGS
Who knows? (Let me know if you find any).
AUTHOR
Michael G. Henderson <mghenderson@lanl.gov>
16 December 1998 WMCALCLOCK(1)