Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Date validation
The Lounge What is on Your Mind? Date validation Post 302980558 by srinadhreddy27 on Tuesday 30th of August 2016 08:17:35 AM
Old 08-30-2016
Lightbulb Date validation
Hi folks,

I new to shell script .
I want to know how to validate a String as valid date

example:
Code:
20150712 ---> valid date
20160524-->valid
201605T12-->invalid date
12341234--->invalid date

we need to valid string( yyyymmdd) to date in SunOS 5.10

please give some idea to validate

Thanks,
Srinadh.
Last edited by Don Cragun; 09-02-2016 at 07:44 AM.. Reason: Add CODE and ICODE tags.
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Problem with Date validation

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 echo $1 | grep '^\{8}$/p' if then echo "Valid" else echo "invalid" I get the error, grep: RE error 16: Bad number. Any help... (3 Replies)
Discussion started by: sumesh.abraham
3 Replies

2. Shell Programming and Scripting

Date Validation again

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... (4 Replies)
Discussion started by: dave_nithis
4 Replies

3. Shell Programming and Scripting

Date Validation:

Hi I have below file with 3 rd column as date ....i want to make 3 column to mm/dd/yyyy . in the below file 2 row date is like 1/23/1994 so i want to append '0' to month i,e. 01/23/1994 and in the 3 row date is like 6/4/1994 ---so i want this to 06/04/1994 Source:... (1 Reply)
Discussion started by: satyam_sat
1 Replies

4. Shell Programming and Scripting

Basic date validation help

Hi, I've made a very basic date validation script, but the syntax of the until condtion is wrong, could someone have a quick look and correct it please?:) Thanks for any help. echo -n "Please enter your date of birth (dd-mm-yyyy): " read dob day=${dob:0:2} month=${dob:3:2} year=${dob:6:4}... (1 Reply)
Discussion started by: mustaine85
1 Replies

5. Shell Programming and Scripting

Date Validation

the user have to input the date format in mmddmmhhyyyy (month,date,minutes,hour,year) i want a shell script to check whether the user has properly input in the above said manner. kindly advice (2 Replies)
Discussion started by: vkca
2 Replies

6. Shell Programming and Scripting

Date Validation in unix

I have a script which is take date as parameter sh abc.sh <2010-02-01> #!/sh/bin my_date=$1 #Here i want to two diffrent dates ## 3 Days before ##date14query=$mydate - 4 (it will be 2010-01-28) ##date24query=$mydate +4 (it will be 2010-01-05) #Please Help (3 Replies)
Discussion started by: pritish.sas
3 Replies

7. Shell Programming and Scripting

Date validation

Hi, I have a script which runs on specific sunday. If that script runs on the sunday i want to execute another script on following wednesday. I have a log for that server. My wednesday scripts needs to check the sunday run log timestamp and if it matches it should run. Please help. Thanks,... (1 Reply)
Discussion started by: Krrishv
1 Replies

8. UNIX for Dummies Questions & Answers

Unix date validation

Dears, I am working on a batch that processes file with name containing date prefix eg., 20101222_file.dat. The logic is to process files in order. Eg., 20101225 must be processed only after 20101222. Ok first glance it looked simple, it use a variable to check this date value as number and... (2 Replies)
Discussion started by: naraink
2 Replies

9. Shell Programming and Scripting

Date validation

File contains below data,how to validate the date using awk command or any command. date formate is fixed as "YYYYMMDD" test1|20120405 test2|20121405 output should be: test1|20120405 Thanks (2 Replies)
Discussion started by: bmk
2 Replies

10. Programming

Date validation in mysql

Hi All, We need to create the custom function to pass the parameter is date.if it is valid return 1 else 0 return should be 1 select is_date('2012-09-17'); return should be 0 select is_date('2012-79-17'); Thanks (2 Replies)
Discussion started by: bmk
2 Replies

LEARN ABOUT CENTOS

qrencode

QRENCODE(1)						      General Commands Manual						       QRENCODE(1)

NAME

       qrencode - Encode input data in a QR Code and save as a PNG or EPS image.

SYNOPSIS

       qrencode [OPTION]...  [STRING]

DESCRIPTION

       Libqrencode  is	a  library  for encoding data in a QR Code symbol, a kind of 2D symbology that can be scanned by handy terminals such as a
       mobile phone with CCD. The capacity of QR Code is up to 7000 digits or 4000 characters, and has high robustness.

       Qrencode is a utility software using libqrencode to encode string data in a QR Code and save as a PNG or EPS image.

OPTIONS

       -h, --help
	      display help message.

       -o FILENAME, --output=FILENAME
	      write image to FILENAME. If '-' is specified, the result will be output to standard output. If -S is given, structured  symbols  are
	      written to FILENAME-01.png, FILENAME-02.png, ... (suffix is removed from FILENAME, if specified)

       -s NUMBER, --size=NUMBER
	      specify the size of dot (pixel). (default=3)

       -l {LMQH}, --level={LMQH}
	      specify error collectin level from L (lowest) to H (highest). (default=L)

       -v NUMBER, --symversion=NUMBER
	      specify the version of the symbol. (default=auto)

       -m NUMBER, --margin=NUMBER
	      specify the width of margin. (default=4)

       -d NUMBER, --dpi=NUMBER
	      specify the DPI of the generated PNG. (default=72)

       -t {PNG,EPS,SVG,ANSI,ANSI256,ASCII,ASCIIi,UTF8,ANSIUTF8}
       --type={PNG,EPS,SVG,ANSI,ANSI256,ASCII,ASCIIi,UTF8,ANSIUTF8}
	      specify the type of the generated image. (default=PNG)

       -S, --structured
	      make structured symbols. Version must be specified.

       -k, --kanji
	      assume that the input text contains kanji (shift-jis).

       -c, --casesensitive
	      encode lower-case alphabet characters in 8-bit mode. (default)

       -i, --ignorecase
	      ignore case distinctions and use only upper-case characters.

       -8, --8bit
	      encode entire data in 8-bit mode. -k, -c and -i will be ignored.

       -M, --micro
	      encode in a Micro QR Code. (experimental)

       --foreground=RRGGBB[AA]
       --background=RRGGBB[AA]
	      specify foreground/background color in hexadecimal notation.  6-digit (RGB) or 8-digit (RGBA) form are supported.  Color output sup-
	      port available only in PNG and SVG.

       -V, --version
	      display the version number and copyrights of the qrencode.

       [STRING]
	      input data. If it is not specified, data will be taken from standard input.

EXAMPLES

       qrencode -l L -v 1 -o output.png 'Hello, world!'
	      encode into a symbol version 1, level L.

       qrencode -iSv 1 --output=output.png
	      read standard input and encode it into a structured-appended symbols in case-insensitive mode.

AUTHOR

       Written by Kentaro Fukuchi.

RESOURCES

       Main Web Site: http://fukuchi.org/works/qrencode/

       Source code repository: https://github.com/fukuchi/libqrencode/

COPYRIGHT

       Copyright (C) 2006-2012 Kentaro Fukuchi.

qrencode 3.4.1							   Oct. 9, 2012 						       QRENCODE(1)
All times are GMT -4. The time now is 05:19 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy