You can try testing your date with something like this:
This regex also check for valid dates as best it can. Meaning, it doesn't check for leap year or stuff like 2008-02-31. To do that, I would suggest you write a more sophisitcated function for that. But this one-liner will be sufficient for most of the stuff you want.
Hi all,
is it possible to create a 'dynamic' case statement.
ie
select option in `ls`
do
case satement depending on results of the above `ls`
done
I hope I have explained this ok!
Thanks
Helen (1 Reply)
hi all
i'm writing a script and in it i need to prompt the user if the entered value is correct or not ,i wrote the following and its not working ,its executing the script even if i enter Y/N
pls any help is appreciated
echo "\nAre you sure you entered the right Destination Environment? y :... (5 Replies)
I want to write a program with the following variables:
a=7000
b=24000
c=613.8
The user can enter two words: Vivid or Blue for example. The challenge is that the user might not want to write the words the way they appear. The user can write V or v or vivid or Vivid or write Blue or blue, or B,... (1 Reply)
Hi all,
I think i'm asking a sqtupid question here..
i'm using case sttament, what is the syntax or symbol for "or"?
I thought was ||
here a quick sample of my case statment
echo "Would you like to update your detail ?"
read response
case $response in
... (2 Replies)
Hi,
I am writing a bash shell script. My script has a few user defined parameters. When the script runs the first thing it does is make sure that these parameters are valid. One of the parameters is called YEAR. A valid input for YEAR can be 1997-2000.
One way I have come up with to ensure... (3 Replies)
Hi,
I have a script like below :
#!/bin/ksh
echo "Do you want to export all docs ?"
read alld
echo "Do you want to export template or report only "
read temr
case && ]
#arguments
;;
case && ]
#arguments
;;
case && ]
#arguments
;; (4 Replies)
Hi
I have the following case statement:
case $larg in
*_* )
a=${larg%_*}; b=${larg#*_};
;;
*^* )
a=${larg%^*}; b=${larg#*^};
;;
esac
I cannot figure out what *_* and *^* stand for...
Also what a=${larg%_*}; b=${larg#*_}; and
a=${larg%^*}; b=${larg#*^}; ... (1 Reply)
Hi,
I'm really new ro shell scripting (actually any kind of programming) and am pretty sure I'm making a pretty basic error here but I can't for the life of me figure it out.
What I'm trying to do is get an array working with a case statement in a KSH script. The code is as follows:
... (3 Replies)
Hi I am new to shell scripting, I wanted to make a shell script that has a case statement asking the user to select their city 1)london 2)tokyo 3) etc., I then want the users input to be stored in a variable and echoed out in another script; so for example if the user selects tokyo, tokyo city code... (2 Replies)
Hi. I wrote the following case statement to replace a series of 'ELIF' statements as it looks better and is easier to maintain. However, for some reason the commands don't fully work in this format. Take option 1. It should call a script that runs in the background but it doesn't work. Can anyone... (3 Replies)
Discussion started by: user052009
3 Replies
LEARN ABOUT POSIX
zgrep
ZGREP(1) General Commands Manual ZGREP(1)NAME
zgrep - search possibly compressed files for a regular expression
SYNOPSIS
zgrep [ grep_options ] [ -e ] pattern filename...
DESCRIPTION
Zgrep invokes grep on compressed or gzipped files. These grep options will cause zgrep to terminate with an error code:
(-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*). All other options specified are passed directly to grep. If no file is specified, then the
standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to grep.
If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.
EXIT CODE
2 - An option that is not supported was specified.
AUTHOR
Charles Levert (charles@comm.polymtl.ca)
SEE ALSO grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)ZGREP(1)