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Top Forums Shell Programming and Scripting check input = "empty" and "numeric" Post 302150872 by rikxik on Thursday 13th of December 2007 12:54:15 AM
Old 12-13-2007
The case statement itself can manage full numeric check (for both integers and floating point numbers):

Quote:
#!/usr/bin/ksh

VAR=$1

if test "$VAR" = ""
then
echo empty
fi

case $VAR in
+([0-9])*(.)*([0-9]) )
echo it definitely is numeric
;;
* )
;;
esac
HTH
 

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cvm-sql(7)						 Miscellaneous Information Manual						cvm-sql(7)

NAME
cvm-sql - CVM SQL Framework QUERY SUBSTITUTION
$VAR and ${VAR} are replaced with the quoted value of the environment variable named VAR. Use the second form when VAR contains anything other than alpha-numeric or underscore (_) characters. Do not include quotes in the query. The variables account and domain contain the account and domain names given by the CVM client. $$ is replaced with a single dollar sign. QUERY RESULTS
The query must produce the following fields exactly in order. All required fields must not be null or empty. 1. Password, encrypted with crypt(3) (required) 2. Actual account name (required) 3. User ID (integer) (required) 4. Group ID (integer) (required) 5. Directory (required) 6. Real name (optional) 7. Login shell (optional) 8. Group name (optional) 9. Domain name (optional) 10. System account name (optional) 11. System account directory (optional) 12. Mailbox path (optional) DEFAULT QUERY
SELECT password, username, userid, groupid, directory, realname, shell, groupname, domain, sys_username, sys_directory FROM accounts WHERE username=$account AND domain=$domain SEE ALSO
cvm-mysql(8), cvm-pgsql(8), cvm-pwfile(8), cvm-qmail(8), cvm-unix(8), cvm-vmailmgr(8), cvm-benchclient(8), cvm-checkpassword(8), cvm-test- client(8) http://untroubled.org/cvm/cvm.html cvm-sql(7)
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