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Full Discussion: deleting the lines at the end of the file.
Top Forums Shell Programming and Scripting deleting the lines at the end of the file. Post 302452149 by shashi792 on Thursday 9th of September 2010 11:28:10 AM
Old 09-09-2010
Hammer & Screwdriver deleting the lines at the end of the file.
I have a text file with two coulmn
first column is just used in to show the line number, these line number are not there in the real file.

I want to delete the line 16(in this file) here, even tough there is no data inside it . this empty line is causing me a problem by throwing me garbage value when i input this stream in my c++ program.

Code:
1   0              2.14014e-07
2   13.214      1.00771e-06
3   13.947      3.76252e-05
4   13.958      5.2692e-06
5   13.966     4.87701e-06
6   14.065     3.81149e-06
7   14.076     3.65411e-06
8   14.29       9.82566e-07
9   17.899     6.10872e-07
10  19.757     7.14666e-07
11  200.947    1.78718e-07
12  226.555    1.34066e-07
13  231.43     1.35589e-07
14  231.8       9.41089e-08
15  266.201    1.91486e-07
16

i tried using
Code:
1:  sed -i '/^$/d' file > newfile
2:  sed '/./!d'     file > newfile
3:  sed -e :a -e '/^\n*$/{$d;N;ba' -e '}' file

all these three commands just delete blank line after line 16. but i want my output in the new file to be just

Code:
1   0              2.14014e-07
2   13.214      1.00771e-06
3   13.947      3.76252e-05
4   13.958      5.2692e-06
5   13.966     4.87701e-06
6   14.065     3.81149e-06
7   14.076     3.65411e-06
8   14.29       9.82566e-07
9   17.899     6.10872e-07
10  19.757     7.14666e-07
11  200.947    1.78718e-07
12  226.555    1.34066e-07
13  231.43     1.35589e-07
14  231.8       9.41089e-08
15  266.201    1.91486e-07

and not as the first one

how should i solve this.
 

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LEARN ABOUT OPENSOLARIS

iconv_maz

iconv_maz(5)                                            Standards, Environments, and Macros                                           iconv_maz(5)

NAME

       iconv_maz - code set conversion tables for Mazovia

DESCRIPTION

       The following code set conversions are supported:

       +--------------------------------------------------------------------+
       |                  Code Set Conversions Supported                    |
       +--------------+--------+--------------+--------+--------------------+
       |    Code      |Symbol  |Target Code   |Symbol  |       Target       |
       +--------------+--------+--------------+--------+--------------------+
       |Output        |        |              |        |                    |
       +--------------+--------+--------------+--------+--------------------+
       |Mazovia       |maz     |ISO 8859-2    |iso2    | ISO Latin 2        |
       +--------------+--------+--------------+--------+--------------------+
       |Mazovia       |maz     |MS 1250       |win2    | Windows Latin 2    |
       +--------------+--------+--------------+--------+--------------------+
       |Mazovia       |maz     |MS 852        |dos2    | MS-DOS Latin 2     |
       +--------------+--------+--------------+--------+--------------------+
       |Mazovia       |maz     |DHN           |dhn     | Dom Hanlowy Nauki  |
       +--------------+--------+--------------+--------+--------------------+

CONVERSIONS

       The conversions are performed according to the following tables. All values in the tables are given in octal.

   Mazovia to ISO 8859-2
       For the conversion of Mazovia to ISO 8859-2, all characters not in the following table are mapped unchanged.

       +-----------------------------------------------------------------+
       |               |     Conversions|Performed       |               |
       |   Mazovia     |  ISO 8859-2    |   Mazovia      |  ISO 8859-2   |
       |24-177         | 40             |230             |246            |
       |200            | 307            |231             |326            |
       |201            | 374            |232             |334            |
       |202            | 351            |233             |40             |
       |203            | 342            |234             |243            |
       |204            | 344            |235             |40             |
       |205            | 40             |236             |266            |
       |206            | 261            |237             |40             |
       |207            | 347            |240             |254            |
       |210            | 40             |241             |257            |
       |211            | 353            |242             |363            |
       |212-213        | 40             |243             |323            |
       |214            | 356            |244             |361            |
       |215            | 346            |245             |321            |
       |216            | 304            |246             |274            |
       |217            | 241            |247             |277            |
       |220            | 312            |250-340         |40             |
       |221            | 352            |341             |337            |
       |222            | 263            |342-365         |40             |
       |223            | 364            |366             |367            |
       |224            | 366            |367             |40             |
       |225            | 306            |370             |260            |
       |226-227        | 40             |371-376         |40             |
       |256            | 201            |                |               |
       +---------------+----------------+----------------+---------------+

   Mazovia to MS 1250
       For the conversion of Mazovia to MS 1250, all characters not in the following table are mapped unchanged.

       +---------------+----------------+----------------+---------------+
       |   Mazovia     |    MS 1250     |   Mazovia      |   MS 1250     |
       |200            | 307            |236             |234            |
       |201            | 374            |237             |40             |
       |202            | 351            |240             |217            |
       |203            | 342            |241             |257            |
       |204            | 344            |242             |363            |
       |205            | 40             |243             |323            |
       |206            | 271            |244             |361            |
       |207            | 347            |245             |321            |
       |210            | 40             |246             |237            |
       |211            | 353            |247             |277            |
       |212-213        | 40             |250-251         |40             |
       |214            | 356            |252             |254            |
       |215            | 346            |253-255         |40             |
       |216            | 304            |256             |253            |
       |217            | 245            |257             |273            |
       |220            | 312            |260-340         |40             |
       |221            | 352            |341             |337            |
       |222            | 263            |342-345         |40             |
       |223            | 364            |346             |265            |
       |224            | 366            |347-360         |40             |
       |225            | 306            |361             |261            |
       |226-227        | 40             |362-365         |0              |
       |230            | 214            |366             |367            |
       |231            | 326            |367             |40             |
       |232            | 334            |370             |260            |
       |233            | 40             |371             |40             |
       |234            | 243            |372             |267            |
       |235            | 40             |373-376         |40             |
       |274            | 212            |                |               |
       +---------------+----------------+----------------+---------------+

   Mazovia to MS 852
       For the conversion of Mazovia to MS 852, all characters not in the following table are mapped unchanged.

       +-----------------------------------------------------------------+
       |               |     Conversions|Performed       |               |
       |   Mazovia     |    MS 852      |   Mazovia      |    MS 852     |
       |205            | 40             |234             |235            |
       |206            | 245            |235             |40             |
       |210-213        | 40             |236             |230            |
       |215            | 206            |237             |40             |
       |217            | 244            |240             |215            |
       |220            | 250            |241             |275            |
       |221            | 251            |243             |340            |
       |222            | 210            |244             |344            |
       |225            | 217            |245             |343            |
       |226-227        | 40             |246             |253            |
       |230            | 227            |247             |276            |
       |233            | 40             |250-375         |40             |
       |227            | 327            |                |               |
       +---------------+----------------+----------------+---------------+

   Mazovia to DHN
       For the conversion of Mazovia to DHN, all characters not in the following table are mapped unchanged.

       +-----------------------------------------------------------------+
       |               |     Conversions|Performed       |               |
       |   Mazovia     |      DHN       |   Mazovia      |     DHN       |
       |200-205        | 40             |234             |203            |
       |206            | 211            |236             |217            |
       |207-214        | 40             |240             |207            |
       |215            | 212            |241             |210            |
       |216            | 40             |242             |216            |
       |217            | 200            |243             |205            |
       |220            | 202            |244             |215            |
       |221            | 214            |246             |220            |
       |225            | 201            |247             |221            |
       |230            | 206            |                |               |
       +---------------+----------------+----------------+---------------+

FILES

       /usr/lib/iconv/*.so             conversion modules

       /usr/lib/iconv/*.t              conversion tables

       /usr/lib/iconv/iconv_data       list of conversions supported by conversion tables

SEE ALSO

       iconv(1), iconv(3C), iconv(5)

SunOS 5.10                                                          18 Apr 1997                                                       iconv_maz(5)
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