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Top Forums Shell Programming and Scripting How to remove spaces from a file selectively? Post 302919966 by Sharma331 on Monday 6th of October 2014 06:08:06 AM
Old 10-06-2014
Hi Don,

sorry for the confusion and the mess created by me. Smilie
I have only the xls file which has this data
Code:
column1          column2     column3      column4

16 jan 1994       _alia1        22        chennai 
17 jan 1994       _alia2        22        chennai 
18 jan 1994       _alia3        22        chennai 
19 jan 1994       _alia4        22        chennai

Underscores means spaces. so there is only one leading space before the data in column 2 and the position of the space is shown above.
and i want to remove space from the second column to make it look like below:
Code:
column1          column2     column3      column4

16 jan 1994       alia1        22        chennai 
17 jan 1994       alia2        22        chennai 
18 jan 1994       alia3        22        chennai 
19 jan 1994       alia4        22        chennai

 

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MCRYPT_GENERIC(3)							 1							 MCRYPT_GENERIC(3)

mcrypt_generic - This function encrypts data

SYNOPSIS
string mcrypt_generic (resource $td, string $data) DESCRIPTION
This function encrypts data. The data is padded with " " to make sure the length of the data is n * blocksize. This function returns the encrypted data. Note that the length of the returned string can in fact be longer than the input, due to the padding of the data. If you want to store the encrypted data in a database make sure to store the entire string as returned by mcrypt_generic, or the string will not entirely decrypt properly. If your original string is 10 characters long and the block size is 8 (use mcrypt_enc_get_block_size(3) to determine the blocksize), you would need at least 16 characters in your database field. Note the string returned by mdecrypt_generic(3) will be 16 characters as well...use rtrim($str, "") to remove the padding. If you are for example storing the data in a MySQL database remember that varchar fields automatically have trailing spaces removed during insertion. As encrypted data can end in a space (ASCII 32), the data will be damaged by this removal. Store data in a tinyblob/tinytext (or larger) field instead. PARAMETERS
o $td - The encryption descriptor. The encryption handle should always be initialized with mcrypt_generic_init(3) with a key and an IV before calling this function. Where the encryption is done, you should free the encryption buffers by calling mcrypt_generic_deinit(3). See mcrypt_module_open(3) for an example. o $data - The data to encrypt. RETURN VALUES
Returns the encrypted data. SEE ALSO
mdecrypt_generic(3), mcrypt_generic_init(3), mcrypt_generic_deinit(3). PHP Documentation Group MCRYPT_GENERIC(3)
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