08-18-2017
Please become accustomed to provide decent context info of your problem.
It is always helpful to support a request with system info like OS and shell, related environment (variables, options), preferred tools, adequate (representative) sample input and desired output data and the logics connecting the two, and, if existent, system (error) messages verbatim, to avoid ambiguities and keep people from guessing.
I have extreme difficulties to understand what you're doing / trying up there. You seem to
- mix up shell and awk syntax
- use the dm variable before it is defined
- not pass the variable correctly into the awk script.
Why do you use FOUR commands when the entire logics can be covered in one single only?
Where is the `( substr($11,2,8) -lt $dm )` construct (shell command substitution in its deprecated form) used?
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mhc(1) General Commands Manual mhc(1)
NAME
today - Show your today's schedules.
SYNOPSIS
today [options]
DESCRIPTION
This manual page documents briefly the today commands. This manual page was written for the Debian GNU/Linux distribution because the
original program does not have a manual page.
today is a program that show your schedules in MHC repository.
OPTIONS
A summary of options is included below.
-h, --help
Show summary of options.
--format=FORMAT
change output format. FORMAT is 'html' or 'ps.
--category=CATEGORY
Pick only in CATEGORY. '!' and space separated multiple values are allowed.
--date=strig[+n]
Set a period of date. String is one of these: today, tomorrow, sun ... sat, yyyymmdd, yyyymm. yyyymm lists all days in the month.
list n+1 days of schedules if +n is given. default value is 'today+0'
--mail=ADDRESS
Send a e-mail to ADDRESS instead of listing to stdout
SEE ALSO
adb2mhc(1), gemcal(1), mhc-scan(1), mhc2palm(1), palm2mhc(1), mhc(5).
AUTHOR
This program was written by Yoshinari Nomura <nom@quickhack.net> and this manual page was written by Fumitoshi UKAI <ukai@debian.or.jp>,
for the Debian GNU/Linux system (but may be used by others).
23 Jun 2000 mhc(1)