GETLINE(3P) POSIX Programmer's Manual GETLINE(3P)PROLOG
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the correspond-
ing Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
NAME
getline -- read a delimited record from stream
SYNOPSIS
#include <stdio.h>
ssize_t getline(char **restrict lineptr, size_t *restrict n,
FILE *restrict stream);
DESCRIPTION
Refer to getdelim().
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technol-
ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the
event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Stan-
dard is the referee document. The original Standard can be obtained online at http://www.unix.org/online.html .
Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source
files to man page format. To report such errors, see https://www.kernel.org/doc/man-pages/reporting_bugs.html .
IEEE /The Open Group 2013 GETLINE(3P)
Check Out this Related Man Page
SNPRINTF(3P) POSIX Programmer's Manual SNPRINTF(3P)PROLOG
This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the correspond-
ing Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.
NAME
snprintf -- print formatted output
SYNOPSIS
#include <stdio.h>
int snprintf(char *restrict s, size_t n,
const char *restrict format, ...);
DESCRIPTION
Refer to fprintf().
COPYRIGHT
Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2013 Edition, Standard for Information Technol-
ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, Copyright (C) 2013 by the Institute of
Electrical and Electronics Engineers, Inc and The Open Group. (This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the
event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Stan-
dard is the referee document. The original Standard can be obtained online at http://www.unix.org/online.html .
Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source
files to man page format. To report such errors, see https://www.kernel.org/doc/man-pages/reporting_bugs.html .
IEEE /The Open Group 2013 SNPRINTF(3P)
Hello,
I am trying to use the awk getline command to populate an array from a flat file.
Has anyone done this before?
So we have file1:
a
b
c
d
I want to create an array like index that contains these four elements (8 Replies)
I have an inputfile that I trying to awk with a getline(Solaris v8 ksh). However I need to have the results be a unique. Is there a comparable command within awk to return a unique result? Or can you break out of the awk to add a uniq. I am looking for something more complex then a pipe... (6 Replies)
I am attempting to write a awk script that reads in a file after awk array elements are assigned and using those elements while reading in the new file. Does this make sense?
/pattern/ {tst=$3}
(( getline < "file" ) > 0 ) {
x=x " "tst
}
When I print tst in the END statement it... (9 Replies)
Hi all,
I have an gawk script to get user's input, So I use
getline name < "-" (or getline name < "/dev/stdin") in my script
They both work fine when my script deals with files. But it is broken for pipes.
When I try "some command | my awk script", the variable name just gets an empty... (17 Replies)
Greetings,
I have about 3000 files that I want to search. The first column in all of these 3000 files has a unique serial number on each line. The subsequent columns have lots of data.
I have another masterfile with three columns to help me find all the data I need in a moments notice:
col 1... (15 Replies)
I have a table that looks like this, but for a whole year:
Hourly weather history for XXX 7 Jun
0:00 Clear weather 28
1:00 Clear weather 23
2:00 Clear weather 21
3:00 Clear weather 22
4:00 Clear weather 22
5:00 Clear weather 22
6:00 Clear weather 23
7:00 Clear... (12 Replies)
I have a set of data as below:
The first field, $1 represent "|".
The $3 (3rd field) and $6 (6th field) in my data file represent "number-molecule" which has arrangement as below:
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
17 18 19 20 21 ... (9 Replies)
Here is I want to do:
find lines in file filteredtrace.txt which is not continued as
a multiply of 4 and strip them from file original_trace_framno.
problem is awk used the ' symbol
so pipe of getline has to use the " symbol
while agument of sed has to use the " symbol,
it doesn't... (8 Replies)
Hello
My problem is that I want to change some specific numbers in a file. It is like,
2009 10 3 2349 21.3 L 40.719 27.388 10.8 FRO 7 0.8 1.1LFRO 2.6CFRO 1.1LMAM1
GAP=157 1.69 5.7 5.9 5.8 0.5405E+01 0.4455E+00 0.1653E+02E
STAT SP IPHASW D HRMM SECON CODA AMPLIT... (11 Replies)
I want to import a textfile with getline into var t which has several lines. How do import all lines, since it only imports the last line:
while < ((getline t "textfile") > 0) (7 Replies)
hi experts
i like to know how to print more line using getline command using awk. with below command i can only see one line (line no:1)
however i do have more line as shown below line no:2,line no:3,line no:4 and so forth. how do i get those to show up using the below command. I tried... (7 Replies)
Hello,
I want to print out the DNA sequence entries (tens of thousand!) that are longer than certain value (i=200) from a file (FASTA file) as:
>S94D_ctg_8004 Average coverage: 402.95
ATAATGCCTGTGAATATGACATGTGTTCCTGTTTCTACATCAGACTACTATTCTTGCATA... (12 Replies)
hi,
i am trying to parse a file in awk to generate a output to be written in a file depeding upon some condition. below is the code
Content of file1
919873741577,9131638459976206,20130715150109,S,919811000214,2A65,405899136999995... (10 Replies)
Hi ,
I want to process the below file and add rules for grouping based on key in unix shell script. For eg
Input file :
I have 3 columns and key column is group
Group status application
G1 Complete A1
G1 Delay A2
G2 Complete A3,A4
G3 Delay A5, A6... (8 Replies)
Hello,
Trying to parse a file (in FASTA format) and reformat it.
1) Each record starts with ">" and followed by words separated by space, but they are in one same line for sure;
2) Sequences are following that may be in multiple rows with possible spaces inside until the next ">".... (18 Replies)