As I know:
FNR: The ordinal number of the current record in the current file.
NR: The ordinal number of the current record from the start of input.
I don't understand really differency between NR and FNR. Who can explain it for me? And give me an example.
Thanks (1 Reply)
Hi all,
I have 2 files. One contains only 1 column and other one contains 2 columns, let say 1_col.txt and 2_col.txt respectively. Here, I will try to explain with an example.
Input files :
1_col.txt 2_col.txt
a a b
x a c
p ... (5 Replies)
Hi,
I have a file in windows environment and moved to UNIX through FTP (ASCII format).
The file is having with tab delimited file.
awk ‘FNR>2' file_cust*.txt >>filnal.txt
I have the same file in production; it is working fine with the same procedure. Once we receive the file in windows... (1 Reply)
cat file1
1 a b c
2 d e f
3 a f r
cat file2
a c e
output should be
1
3
means:
if field 1 of file2 matches filed 2 of file1 then print field 1 of file1
I know that it can be done using awk NR=FNR.
But not able to acheive it.
Thanks in advance. (9 Replies)
awk -F'' 'FNR==NR {a=$2; next} {$1=a} 1' $useralias ${entries} >> ${entries}_2
Hi,
Is there anyway to alter this command so that if it does not find a match it will just leave the line alone instead of replacing what it doesn't find with a blank space? (4 Replies)
This has been asked and answered hundreds of times, but I can't understand the syntax of awk's NR==FNR trick for merging files and printing the correct columns.
Here's my File 1
1 rs8179466 224176 A ADD 1037 1.066 0.1421 0.8065 1.408 0.4468 ... (3 Replies)
Hi
i have file1:
conn=232257 client=16218.19488.218.86:51237 protocol=LDAP
file2:
conn=232257 dn="uid=apple,ou=xxxx,ou=usfgfhfers,dc=example,dc=com"
conn=232370 dn="uid=ball,ou=yyyyyy,ou=usfhfhfhers,dc=example,dc=com"
In the output file it should match first column from above both files... (2 Replies)
Example:
$ cat file1
2
3$ cat file2
1
2
3
4
5
6The following awk script works like a charm, NR==FNR is true for file1, the remainder runs for file2:
awk '
NR==FNR {A; next}
($1 in A)
' file1 file2
2
3Now have an empty file1:
>file1and run the awk script again.
The result is empty... (8 Replies)
Hi,
I have an issue with the below script
nawk 'NR==FNR{a=$4" "$5}NR>FNR{print NF?$0:a"\n";if(/^cn:/) x=$0}' FS="" in1.txt in2.txt > out1.txt
It is taking too long to get a string from in1.text, search for the string in in2.txt and create a new file out1.txt.
Is there any alternative way we... (1 Reply)
Dear All,
I have below two files with me:
file 1:
A|B
E|F
C|D
file 2:
A|X|Y
R|T|I
C|V|N
I want to compare 1st column of each file and than print both columns of file 1 and column 2 and 3 of file 2
Sample required output in regards to above files is below:
A|B|X|Y
C|D|V|N (5 Replies)
Discussion started by: Nebula
5 Replies
LEARN ABOUT OSX
qmail-queue
qmail-queue(8) System Manager's Manual qmail-queue(8)NAME
qmail-queue - queue a mail message for delivery
SYNOPSIS
qmail-queue
DESCRIPTION
qmail-queue reads a mail message from descriptor 0. It then reads envelope information from descriptor 1. It places the message into the
outgoing queue for future delivery by qmail-send.
The envelope information is an envelope sender address followed by a list of envelope recipient addresses. The sender address is preceded
by the letter F and terminated by a 0 byte. Each recipient address is preceded by the letter T and terminated by a 0 byte. The list of
recipient addresses is terminated by an extra 0 byte. If qmail-queue sees end-of-file before the extra 0 byte, it aborts without placing
the message into the queue.
Every envelope recipient address should contain a username, an @ sign, and a fully qualified domain name.
qmail-queue always adds a Received line to the top of the message. Other than this, qmail-queue does not inspect the message and does not
enforce any restrictions on its contents. However, the recipients probably expect to see a proper header, as described in qmail-header(5).
Programs included with qmail which invoke qmail-queue will invoke the contents of $QMAILQUEUE instead, if that environment variable is set.
FILESYSTEM RESTRICTIONS
qmail-queue imposes two constraints on the queue structure: each mess subdirectory must be in the same filesystem as the pid directory; and
each todo subdirectory must be in the same filesystem as the intd directory.
EXIT CODES
qmail-queue does not print diagnostics. It exits 0 if it has successfully queued the message. It exits between 1 and 99 if it has failed
to queue the message.
All qmail-queue error codes between 11 and 40 indicate permanent errors:
11 Address too long.
31 Mail server permanently refuses to send the message to any recipients. (Not used by qmail-queue, but can be used by programs offering
the same interface.)
All other qmail-queue error codes indicate temporary errors:
51 Out of memory.
52 Timeout.
53 Write error; e.g., disk full.
54 Unable to read the message or envelope.
55 Unable to read a configuration file. (Not used by qmail-queue.)
56 Problem making a network connection from this host. (Not used by qmail-queue.)
61 Problem with the qmail home directory.
62 Problem with the queue directory.
63 Problem with queue/pid.
64 Problem with queue/mess.
65 Problem with queue/intd.
66 Problem with queue/todo.
71 Mail server temporarily refuses to send the message to any recipients. (Not used by qmail-queue.)
72 Connection to mail server timed out. (Not used by qmail-queue.)
73 Connection to mail server rejected. (Not used by qmail-queue.)
74 Connection to mail server succeeded, but communication failed. (Not used by qmail-queue.)
81 Internal bug; e.g., segmentation fault.
91 Envelope format error.
SEE ALSO addresses(5), envelopes(5), qmail-header(5), qmail-inject(8), qmail-qmqpc(8), qmail-send(8), qmail-smtpd(8)qmail-queue(8)