08-12-2009
find and replace a string in a file without the use of temp file
Hi -
I am looking for a replacing a string in a in multiple *.sql files in directory with a new string without using a temporary file
Normally I can use sed command as below
for W in ls `FILE*.sql`
do
sed 's/OLD/NEW/g' $W > TEMPFILE.dat
mv TEMPFILE.dat $W
done
But Here in my scenario I do not want to make use of a temporary file ,rather I would like to directly replace the string in the original files itself.
Please suggest me any command or approach
Thanks
Raghu
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LEARN ABOUT PHP
fbsql_read_clob
FBSQL_READ_CLOB(3) 1 FBSQL_READ_CLOB(3)
fbsql_read_clob - Read a CLOB from the database
SYNOPSIS
string fbsql_read_clob (string $clob_handle, [resource $link_identifier])
DESCRIPTION
Reads CLOB data from the database.
If a select statement contains BLOB and/or CLOB columns FrontBase will return the data directly when data is fetched. This default behav-
ior can be changed with fbsql_set_lob_mode(3) so the fetch functions will return handles to BLOB and CLOB data. If a handle is fetched a
user must call fbsql_read_clob(3) to get the actual CLOB data from the database.
PARAMETERS
o $clob_handle
- A CLOB handle, returned by fbsql_create_clob(3).
o $
link_identifier -A FrontBase link identifier returned by fbsql_connect(3) or fbsql_pconnect(3).If optional and not specified, the
function will try to find an open link to the FrontBase server and if no such link is found it will try to create one as if
fbsql_connect(3) was called with no arguments.
RETURN VALUES
Returns a string containing the specified CLOB data.
EXAMPLES
Example #1
fbsql_read_clob(3) example
<?php
$link = fbsql_pconnect("localhost", "_SYSTEM", "secret")
or die("Could not connect");
$sql = "SELECT CLOB_COLUMN FROM CLOB_TABLE;";
$rs = fbsql_query($sql, $link);
$row_data = fbsql_fetch_row($rs);
// $row_data[0] will now contain the clob data for the first row
fbsql_free_result($rs);
$rs = fbsql_query($sql, $link);
fbsql_set_lob_mode($rs, FBSQL_LOB_HANDLE);
$row_data = fbsql_fetch_row($rs);
// $row_data[0] will now contain a handle to the CLOB data in the first row
$clob_data = fbsql_read_clob($row_data[0]);
fbsql_free_result($rs);
?>
SEE ALSO
fbsql_create_clob(3), fbsql_read_blob(3), fbsql_set_lob_mode(3).
PHP Documentation Group FBSQL_READ_CLOB(3)