Sponsored Content
Top Forums Shell Programming and Scripting Verify the header and trailer in file Post 302748393 by mirwasim on Tuesday 25th of December 2012 09:55:29 PM
Old 12-25-2012
Below is the error after using nawk
Code:
nawk: can't open file NR==1{
 header_p=sprintf "%s", substr($0,1,2);
 header=sprintf "%s", substr($0,3,22);
 } NR==L {
 trailer_p=sprintf "%s", substr($0,1,2);
 trailer=sprintf "%s", substr($0,3,22);
 trai
 source line number 1

 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Copy all the files with time stamp and remove header,trailer from file

All, I am new to unix and i have the following requirement. I have file(s) landing into input directory with timestamp, first i want to copy all these files into seperate directory then i want to rename these files without timestamp and also remove header,trailer from that file.. Could... (35 Replies)
Discussion started by: ksrams
35 Replies

2. Shell Programming and Scripting

Removing Header & Trailer from a file

Hi All, I am karthik. I am new to this forum. I have one requirement. I have a file with header and footer. Header may be like HDR0001 or FILE20090110 (Assume it is unknown so far, but i am sure there is a header in the file) likewise file has the trailer too. I just... (7 Replies)
Discussion started by: karthi_gana
7 Replies

3. Shell Programming and Scripting

Creating Header & Trailer for bulk volume data file

Hi all, I have a requirement to create a Header &Trailer for a file which is having 20 millions of records. If I use the following method, i think it will take more time. cat "Header"> file1.txt cat Data_File>>file1.txt cat "Trailer">>file1.txt since second CAT command has to read all... (4 Replies)
Discussion started by: Raamc
4 Replies

4. Shell Programming and Scripting

Adding Header and Trailer records to a appended file

How can we a shell script and pass date parameters .I have 3 files comming from Datastage with |" delimited I need append 3 files as above: File1: P0000|"47416954|"AU|"000|"INS|"0000|"|"20060601|"99991231|"|"|"|"|"01 File 2:... (2 Replies)
Discussion started by: e1994264
2 Replies

5. UNIX for Dummies Questions & Answers

Adding header and trailer into a file

Hi, I want to add the below Header to all the files in sequence File1,File2,File3...etc "ABC,<number of chracter in the file>" e,g - If File1 is as below pqrstuvdt abcdefgh then I want to add the above header into it ,So that File1 becomes as below ABC,17 pqrstuvdt abcdefgh ... (9 Replies)
Discussion started by: spari2
9 Replies

6. Shell Programming and Scripting

Remove last few characters in a file but keeping Header and trailer intact

Hi All, I am trying write a simple command using AWK and SED to this but without any success. Here is what I am using: head -1 test1.txt>test2.txt|sed '1d;$d' test1.txt|awk '{print substr($0,0,(length($0)-2))}' >>test2.txt|tail -1 test1.txt>>test2.txt Input: Header 1234567 abcdefgh... (2 Replies)
Discussion started by: nvuradi
2 Replies

7. Shell Programming and Scripting

Script to validate file header and trailer

Hi, I need a script that validates a file header/detail/trailer. File layout is: Header - Rec_Type|File_name|File_Date Detail - Rec_Type|field1|field2|field3... Trailder - Rec_Type|File_name|File_Date|Record_count Sample Data: HDR|customer_data.dat|20120709... (7 Replies)
Discussion started by: ash_sh
7 Replies

8. Shell Programming and Scripting

Split and add header and trailer from input file

I need to split the file based on pattern from position 34-37 while retaining the header and trailer records in each individual split file Also is it possible to output the TOM and PAT records in the same output file ? I need the output file names same as xyz_pattern_Datetimestamp.txt ... (23 Replies)
Discussion started by: techedipro
23 Replies

9. UNIX for Advanced & Expert Users

Removing Header and Trailer record of a EBCDIC file

I have a EBCDIC multi layout file which has a header record which is 21 bytes, The Detail records are 2427 bytes long and the trailer record is 9 bytes long. Is there a command to remove the header as well as trailer record and read only the detail records while at the same time not altering... (1 Reply)
Discussion started by: abhilashnair
1 Replies

10. Shell Programming and Scripting

Bash to verify and validate file header and data type

The below bash is a file validation check executed that will verify the correct header count of 10 and the correct data type in each field of the tab-delimited file. The key has the data type of each field in it. My real data has 58 headers in it but only the header and next row need to be... (6 Replies)
Discussion started by: cmccabe
6 Replies
mailq(1)						      General Commands Manual							  mailq(1)

NAME
mailq - prints the mail queue SYNOPSIS
DESCRIPTION
prints a summary of the mail messages queued for future delivery. The first line printed for each message shows the internal identifier used on this host for the message, the size of the message in bytes, the date and time the message was accepted into the queue, and the envelope sender of the message. The second line shows the error message that caused this message to be retained in the queue; it will not be present if the message is being processed for the first time. The status characters are: to indicate that the job is being processed to indicate that the load is too high to process the job to indicate that the job is too new in the queue to process. The output lines that follow the second line show the message recipients, one per line. is identical to Options The supported options are: Show the mail submission queue specified in the file instead of the MTA queue specified in the file. Show the lost items in the mail queue instead of normal queue items. Show the quarantined items in the mail queue instead of the normal queue items. Limit processed jobs to those containing substr as a substring of the queue ID or not when is specified. Limit processed jobs to quarantined jobs containing substr as a substring of the quarantine reason or not when is specified. Limit processed jobs to those containing substr as a substring of one of the recipients or not when is specified. Limit processed jobs to those containing substr as a substring of the sender or not when is specified. Print verbose information. This adds the priority of the message and a single character indicator or blank) indicating whether a warning message has been sent on the first line of the message. In addition, extra lines may be intermixed with the recipients indicating the `controlling user' information. This shows who owns the programs that are executed on behalf of this message and the name of the alias this command expanded from, if any. RETURN VALUE
The utility exits with 0 on success, and >0 if an error occurs. AUTHOR
was developed by the University of California, Berkeley, and originally appeared in 4.0BSD. FILES
mail queue files for SEE ALSO
sendmail(1M). mailq(1)
All times are GMT -4. The time now is 04:49 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy