Specifying a range within case/esac Post: 302444755

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Special Forums UNIX Desktop Questions & Answers Specifying a range within case/esac Post 302444755 by Orbient on Thursday 12th of August 2010 05:20:35 PM

08-12-2010

Registered User

Specifying a range within case/esac

Complete Unix beginner here. I basically have this script -

Quote:

time1=`date +%l:%M`

case `date +%H` in
"00") time2="in the early morning" ;;
"01") time2="in the early morning" ;;
"02") time2="in the early morning" ;;
"03") time2="in the early morning" ;;
"04") time2="in the early morning" ;;
"05") time2="in the morning" ;;
"06") time2="in the morning" ;;
"07") time2="in the morning" ;;
"08") time2="in the morning" ;;
"09") time2="in the morning" ;;
"10") time2="in the morning" ;;
"11") time2="in the morning" ;;
"12") time2="in the afternoon" ;;
"13") time2="in the afternoon" ;;
"14") time2="in the afternoon" ;;
"15") time2="in the afternoon" ;;
"16") time2="in the afternoon" ;;
"17") time2="in the evening" ;;
"18") time2="in the evening" ;;
"19") time2="in the evening" ;;
"20") time2="at night" ;;
"21") time2="at night" ;;
"22") time2="at night" ;;
"23") time2="at night" ;;
esac

echo "The time is$time1 $time2"

This seems to work fine. I want to try and shorten it by making it something like this -

Quote:

time1=`date +%l:%M`

case `date +%H` in
[00-04] ) time2="in the early morning" #and so on...
esac

This isn't working. I think it's probably to do with the zero padding that `date +%H` gives me, but if I use `date +%k`, I get a space at the start of single numbers, so that doesn't work either... Can anyone tell me where I'm going wrong?

Thanks in advance.

Orbient

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LEARN ABOUT PLAN9

yesterday

YESTERDAY(1)						      General Commands Manual						      YESTERDAY(1)

NAME

       yesterday - print file names from the dump

SYNOPSIS

       yesterday [ -c ] [ -date ] files ...

DESCRIPTION

       Yesterday prints the names of the files from the most recent dump.  Since dumps are done early in the morning, yesterday's files are really
       in today's dump.  For example, if today is March 17, 1992,

	      yesterday /adm/users

       prints

	      /n/dump/1992/0317/adm/users

       In fact, the implementation is to select the most recent dump in the current year, so the dump selected may not be from today.

       With option -c, yesterday copies the dump file to the current directory.

       The date option selects other day's dumps, with a format of 2, 4, 6, or 8 digits of the form dd, mmdd, yymmdd, or yyyymmdd.

       Yesterday does not guarantee that the string it prints represents an existing file.

EXAMPLES

       Back up to yesterday's MIPS binary of vc:

	      cd /mips/bin
	      yesterday -c vc

       Temporarily back up to March 1's MIPS C library to see if a program runs correctly when loaded with it:

	      bind `{yesterday -0301 /mips/lib/libc.a} /mips/lib/libc.a
	      rm v.out
	      mk
	      v.out

FILES

       /n/dump

SOURCE

       /rc/bin/yesterday

SEE ALSO

       fs(4)

BUGS

       It's hard to use this command without singing.

																      YESTERDAY(1)