Check for not null column in a pipe delimited file Post: 302974872

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1. Shell Programming and Scripting

Grep for NULL in a pipe delimited file

hi, How can I check for a field in a pipe-delimited file having a NULL value in Unix using a grep command or any other command. Please reply

2. Shell Programming and Scripting

How to check Null values in a file column by column if columns are Not NULLs

Hi All, I have a table with 10 columns. Some columns(2nd,4th,5th,7th,8th and 10th) are Not Null columns. I'll get a tab-delimited file and want to check col by col and generate seperate error code for each col eg:102 if 2nd col value is NULL and 104 if 4th col value is NULL so on... I am a...

3. UNIX for Dummies Questions & Answers

Need help with shell script for chekking a column in txt file - pipe delimited

Hi: I have a text file date(pipe delimited) which is loaded in to the DB using sql loader(&CTL files) after some initial validation by the shell script. Now i have a situation where the shell script needs to check a column in the text file and if it is NULL then it needs send this record/row...

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count of null in pipe delimited txt file

Hi, I have a pipe delimited txt file which contains 17 fields per line/row. 16th field contains email id. I want to count the number of lines/rows that contains null in the 16th field. Plz find attached example data file. I'm looking for a command line/script which achieves this. ...

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Check Whether File is Pipe Delimited

Can anybody help me how to check whether a file is Pipe delimited or not?

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how to show particular column from pipe delimited file

hi, I have pipe delimited flat file as below 1|ab|4.5|9| 2|ac|3|12| 3|ac|4.5|8| i want to show (display) only 3rd field between pipes. please help

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Find for line with not null values at nth place in pipe delimited file

Hi, I am trying to find the lines in a pipe delimited file where 11th column has not null values. Any help is appreciated. Need help asap please. thanks in advance.

8. Shell Programming and Scripting

Replace pipe delimited column string to null

Hi All, I have a large dat file where each lines are pipe delimited values. I need to parse the file depending on the request. For example: sometimes I have told to remove all the values in the 7th column (this case remove values '3333' only from the first line and '3543' from the second line)...

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Replacing a column in a pipe delimited file

Hi, I have a pipe delimited file as below and I need to replace the 2nd column of each line with null values. 1|10/15/2011|fname1|lname1 2|10/15/2012|fname2|lname2 3|10/15/2013|fname3|lname3 Output file: 1||fname1|lname1 2||fname2|lname2 3||fname3|lname3 I tried this ...

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Replace delimiter for a particular column in a pipe delimited file

I have an input file as below Emp1|FirstName|MiddleName|LastName|Address|Pincode|PhoneNumber 1234|FirstName1|MiddleName2|LastName3| Add1 || ADD2|123|000000000 Output : 1234|FirstName1|MiddleName2|LastName3| Add1 ,, ADD2|123|000000000 OR 1234,FirstName1,MiddleName2,LastName3, Add1 ||...

LEARN ABOUT CENTOS

grub-render-label

GRUB-RENDER-LABEL(1)                                               User Commands                                              GRUB-RENDER-LABEL(1)

NAME

       grub-render-label - generate a .disk_label for Apple Macs.

SYNOPSIS

       grub-render-label [OPTION...] [OPTIONS]

DESCRIPTION

       Render Apple .disk_label.

       -b, --bgcolor=COLOR
              use COLOR for background

       -c, --color=COLOR
              use COLOR for text

       -f, --font=FILE
              use FILE as font (PF2).

       -i, --input=FILE
              read text from FILE.

       -o, --output=FILE
              set output filename. Default is STDOUT

       -t, --text=STRING
              set the label to render

       -v, --verbose
              print verbose messages.

       -?, --help
              give this help list

       --usage
              give a short usage message

       -V, --version
              print program version

       Mandatory or optional arguments to long options are also mandatory or optional for any corresponding short options.

REPORTING BUGS

       Report bugs to <bug-grub@gnu.org>.

SEE ALSO

       The  full  documentation  for grub-render-label is maintained as a Texinfo manual.  If the info and grub-render-label programs are properly
       installed at your site, the command

              info grub-render-label

       should give you access to the complete manual.

grub-render-label (GRUB) 2.02-2ubuntu8.3                             July 2018                                                GRUB-RENDER-LABEL(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Grep for NULL in a pipe delimited file

Discussion started by: sureshg_sampat

2. Shell Programming and Scripting

How to check Null values in a file column by column if columns are Not NULLs

Discussion started by: Mandab

3. UNIX for Dummies Questions & Answers

Need help with shell script for chekking a column in txt file - pipe delimited

Discussion started by: ravi0435

4. Shell Programming and Scripting

count of null in pipe delimited txt file

Discussion started by: Sriranga