I have some data that is something like this?
item: onhand counted location
ITEM0001 1 0 a1
ITEM0001 0 1 a2
ITEM0002 5 0 b5
ITEM0002 0 6 c1
I want to sum up... (6 Replies)
i have a file - it will be in sorted order on column 1
abc 0 1
abc 2 3
abc 3 5
def 1 7
def 0 1
--------
i'd like (awk maybe?) to get the results (any ideas)???
abc 5 9
def 1 8 (2 Replies)
I have file which as 12 columns and values like this
1,2,3,4,5
a,b,c,d,e
b,c,a,e,f
a,b,e,a,h
if you see the first column has duplicate values, I need to identify (print it to console) the duplicate value (which is 'a') and also remove duplicate values like below. I could be in two... (5 Replies)
I've a text file with below values viz. multiple rows with same values in column 3, 4 and 5, which need to be considered as duplicates. For all such cases, the rows from second occurrence onwards should be modified in a way that their values in first two columns are replaced with values as in first... (4 Replies)
Hello,
I am new to Linux environment , I working on Linux script which should send auto email based on the specific condition from log file. Below is the sample log file
Name m/c usage
abc xxx 10
abc xxx 20
abc xxx 5
xyz ... (6 Replies)
Hi,
I have a similar input format-
A_1 2
B_0 4
A_1 1
B_2 5
A_4 1
and looking to print in this output format with headers. can you suggest in awk?awk because i am doing some pattern matching from parent file to print column 1 of my input using awk already.Thanks!
letter number_of_letters... (5 Replies)
I have a file (let say file B) like this:
File B:
A1 3 5
A1 7 9
A2 2 5
A3 1 3
The first column defines a filename and the other two define a range in that specific file. In the same directory, I have also three more files (File A1, A2 and A3). Here is 10 sample lines... (3 Replies)
I need to sum values in text file in case duplicate row are present with same name and different value below is example of data in file i have and format i need.
Data in text file
20170308
PM,U,2
PM,U,113
PM,I,123
DA,U,135
DA,I,113
DA,I,1
20170309
PM,U,2
PM,U,1
PM,I,123
PM,I,1... (3 Replies)
Hi Experts,
Please bear with me, i need help
I am learning AWk and stuck up in one issue.
First point : I want to sum up column value for column 7, 9, 11,13 and column15 if rows in column 5 are duplicates.No action to be taken for rows where value in column 5 is unique.
Second point : For... (1 Reply)
I have a file abc.csv, from which I need column 24(PurchaseOrder_TotalCost) to get the sum_of_amounts with date and row count into another file say output.csv
abc.csv-
UTF-8,,,,,,,,,,,,,,,,,,,,,,,,,
... (6 Replies)
Discussion started by: Tahir_M
6 Replies
LEARN ABOUT CENTOS
keyctl_update
KEYCTL_UPDATE(3) Linux Key Management Calls KEYCTL_UPDATE(3)NAME
keyctl_update - Update a key
SYNOPSIS
#include <keyutils.h>
long keyctl_update(key_serial_t key, const void *payload,
size_t plen);
DESCRIPTION
keyctl_update() updates the payload of a key if the key type permits it.
The caller must have write permission on a key to be able update it.
payload and plen specify the data for the new payload. payload may be NULL and plen may be zero if the key type permits that. The key
type may reject the data if it's in the wrong format or in some other way invalid.
RETURN VALUE
On success keyctl_update() returns 0. On error, the value -1 will be returned and errno will have been set to an appropriate error.
ERRORS
ENOKEY The key specified is invalid.
EKEYEXPIRED
The key specified has expired.
EKEYREVOKED
The key specified had been revoked.
EINVAL The payload data was invalid.
ENOMEM Insufficient memory to store the new payload.
EDQUOT The key quota for this user would be exceeded by increasing the size of the key to accommodate the new payload.
EACCES The key exists, but is not writable by the calling process.
EOPNOTSUPP
The key type does not support the update operation on its keys.
LINKING
This is a library function that can be found in libkeyutils. When linking, -lkeyutils should be specified to the linker.
SEE ALSO keyctl(1),
add_key(2),
keyctl(2),
request_key(2),
keyctl(3),
request-key(8)Linux 4 May 2006 KEYCTL_UPDATE(3)