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Shell Programming and Scripting
Date Validation:
Post 302181121 by fpmurphy on Wednesday 2nd of April 2008 06:17:14 AM
04-02-2008
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1. Shell Programming and Scripting
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.
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I have a script which is take date as parameter
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Dears,
I am working on a batch that processes file with name containing date prefix eg., 20101222_file.dat.
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File contains below data,how to validate the date using awk command or any command.
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Hi All,
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line
line(1) User Commands line(1) NAME
line - read one line SYNOPSIS
line DESCRIPTION
The line utility copies one line (up to and including a new-line) from the standard input and writes it on the standard output. It returns an exit status of 1 on EOF and always prints at least a new-line. It is often used within shell files to read from the user's terminal. EXIT STATUS
Exit status is: 0 Successful completion >0 End-of-file on input. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
sh(1), read(2), attributes(5) SunOS 5.10 1 Feb 1995 line(1)