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UNIX for Dummies Questions & Answers
unary operator expected error
Post 302251691 by radoulov on Monday 27th of October 2008 07:05:14 PM
10-27-2008
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1. Shell Programming and Scripting
hi
i am trying to compare a value with value 50. but i am getting
"
I am using
if
then
echo "------------"
fi
please help
thanks in advance
Satya (2 Replies)
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2. UNIX for Dummies Questions & Answers
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4. UNIX for Dummies Questions & Answers
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i=0
while
Shell script reports an error "unary operator expected" pointing the above line.
$i by default is 0 and holds integer value and $buf is also holding integer value.
Please can some one let me know what is missing.
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7. UNIX for Dummies Questions & Answers
Hiya all,
Why do I get a :unary operator expected when I try to put a condition statement in my shell script (sh) like so and how to fix?
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Hi
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9. Shell Programming and Scripting
Hi All,
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if ]
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10. Shell Programming and Scripting
In all my Googling, this usually happens when someone is comparing a variable, and that variable is unset. That doesn't appear to be the case for me...
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LEARN ABOUT PHP
pg_select
PG_SELECT(3) PG_SELECT(3) pg_select - Select records SYNOPSIS
mixed pg_select (resource $connection, string $table_name, array $assoc_array, [int $options = PGSQL_DML_EXEC]) DESCRIPTION
pg_select(3) selects records specified by assoc_array which has field=>value. For a successful query, it returns an array containing all records and fields that match the condition specified by assoc_array. If options is specified, pg_convert(3) is applied to assoc_array with the specified flags. PARAMETERS
o $connection - PostgreSQL database connection resource. o $table_name - Name of the table from which to select rows. o $assoc_array - An array whose keys are field names in the table $table_name, and whose values are the conditions that a row must meet to be retrieved. o $options - Any number of PGSQL_CONV_FORCE_NULL, PGSQL_DML_NO_CONV, PGSQL_DML_ESCAPE, PGSQL_DML_EXEC, PGSQL_DML_ASYNC or PGSQL_DML_STRING combined. If PGSQL_DML_STRING is part of the $options then query string is returned. When PGSQL_DML_NO_CONV or PGSQL_DML_ESCAPE is set, it does not call pg_convert(3) internally. RETURN VALUES
Returns TRUE on success or FALSE on failure. Returns string if PGSQL_DML_STRING is passed via $options. EXAMPLES
Example #1 pg_select(3) example <?php $db = pg_connect('dbname=foo'); // This is safe, since $_POST is converted automatically $rec = pg_select($db, 'post_log', $_POST); if ($rec) { echo "Records selected "; var_dump($rec); } else { echo "User must have sent wrong inputs "; } ?> CHANGELOG
+-------------+---------------------------------------------------+ | Version | | | | | | | Description | | | | +-------------+---------------------------------------------------+ | 5.6.0 | | | | | | | No longer experimental. Added PGSQL_DML_ESCAPE | | | constant, TRUE/ FALSE and NULL data type support. | | | | |5.5.3/5.4.19 | | | | | | | Direct SQL injection to $table_name and Indirect | | | SQL injection to identifiers are fixed. | | | | +-------------+---------------------------------------------------+ SEE ALSO
pg_convert(3). PHP Documentation Group PG_SELECT(3)