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Full Discussion: Problem with Date validation
Top Forums Shell Programming and Scripting Problem with Date validation Post 302155480 by dave_nithis on Friday 4th of January 2008 04:45:55 AM
Old 01-04-2008
Quote:
Originally Posted by sumesh.abraham
Hi All,

I've to validate a date input for the format YYYYMMDD. The input should be of 8 digits with only numeric values.

I tried the following

Code:
echo $1 | grep '^[0-9]\{8}$/p'
if [ $? -eq 0 ]
then
 echo "Valid"
else
 echo "invalid"

I get the error,

Code:
grep: RE error 16: Bad number.

Any help will be appreciated.
Thanks,
Sumesh
Hi Vino,

Can you give the date validation script as per the following requirement:

I want a sample Date validation script using if loops.
The script should first compare "year".If the year is lesser than the current year,It should go for "month" checking.
I have the script that splits the date into year,month and date.I want only the checking part.
My if loop checking is not work properly.
Can you show the right way of checking?

Regards
Dave
 

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mono-xmltool

mono-xmltool(Mono 1.0)													    mono-xmltool(Mono 1.0)

NAME

       mono-xmltool - Mono XML validation and transformation tool.

SYNOPSIS

       mono-xmltool --validate [*.rng | *.rnc | *.nvdl | *.xsd] [instances]

       mono-xmltool --validate-rng relax-ng-grammar-xml [instances]

       mono-xmltool --validate-rnc relax-ng-compact-grammar-file [instances]

       mono-xmltool --validate-nvdl nvdl-script-xml [instances]

       mono-xmltool --validate-xsd xml-schema [instances]

       mono-xmltool --transform stylesheet instance-xml

       mono-xmltool --prettyprint [source [result]]

DESCRIPTION

       mono-xmltool is a command line front end for various functions available in the Mono XML class libraries. It currently it offers validation
       with various different kinds of schemas, xslt transformations and pretty printing.

XML VALIDATION

       mono-xmltool can validate a given set of XML files (the instances parameter) using the given schema file.  Currently supported schema files
       include Relax NG (*.rng), Compact Relax NG (*.rnc), Namespace-based Validation Dispatching Language (*.nvdl) and XML Schema (*.xsd).

       If invoked with the --validate argument, Mono will use the filename extension to guess the kind of validation required.	The --validate-xxx
       flags would force a specific kind of validation.

       The following lists the flags and the actual class that implements them in Mono:

       --validate-rng

	      Commons.Xml.Relaxng.RelaxNgPattern as the schema, and Commons.Xml.Relaxng.RelaxngValidatingReader validator.

       --validate-rnc
	      Commons.Xml.Relaxng.RncParser as the schema, and Commons.Xml.Relaxng.RelaxngValidatingReader validator.

       --validate-nvdl

	      Commons.Xml.Nvdl as the schema and Commons.Xml.NvdlValidatingReader validator.

       --validate-xsd
	      System.Xml.Schema.XmlSchema as the schema and uses System.Xml.XmlValidatingReader as the validator.

TRANSFORMATIONS

       This does an XSLT transformation. The stylesheet must be an XSLT file, the instance-xml is the document to be processed.  Output it sent to
       the standard output.

PRETTY PRINTING

       Produces  a  pretty-print  rendering of the source file.  If it is not specified it reads the standard input.   If result is not specified,
       the output is sent to the standard output.

MAILING LISTS

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WEB SITE

       http://www.mono-project.com

SEE ALSO

       mono(1),mcs(1).

															    mono-xmltool(Mono 1.0)
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