I am using gawk as well and I get only the first line on the terminal output.
So, is there any way to "force" or bypass the error exit status of getline and set it to 1 in order to keep reading the remaining line of "for_later.txt"?
I was simply trying to redirect some output in a log file but it foxed me.
truss a.out > log
It gave only the output of the a.out which was only a simple print "Hello"
Then I tried
truss a.out 2&1>a
echo `truss a.out` > a
All failed.
What am i missing.
Thanks (7 Replies)
Hello Experts,
I am facing the following problem ..
>cat my_file prints
initial begin
StartSim;
LDR(on); // Lock Detect Enable
But when I trying the same with the following command it shows me all the line in the same line.Like
... (4 Replies)
Hi,
i use awk -F to print three variable delimited by comma $1 $2 $3
if $2=="" i want to extract this information missing from another file using awk -v + some process.
but the problem i can't use the two awk together cause of redirection
there's a solution.
note: i can't use another... (1 Reply)
my querry is
suppose i have duplicate std i/p with FD-3 --exec 0<&3
now redirected std i/p to a file ----exec 0<file1
suppose i am reading the file line by line --while read LINE
cutting some fields and comparing it with a variable and if a match is found
... (0 Replies)
hi
i want a solution for the fallowing:
i am redirecting output from bash script in which we are running background commands like
./test.sh
contains
ls -l &
ps
when we do as
./test.sh 1> test.txt 2>&1
but test.txt not containing output as ls -l and ps.
it showing ls -l, ps and... (2 Replies)
Hello,
i need to redirect the output of print to a variable file name:
#This is normal
awk '{ print $17 > "output.txt" }' input
#I need something like this
awk '{ print $17 > "output_${25}.txt" }' input
how to format the output file name to contain a variable? (6 Replies)
I have a system stat command running which generates data after 5 sec or so. I pass this data to awk and do some calculation to present the data differently. Once done now I want to pass this data to file as and when generated but doesn't work..unless the first command completes successfully.... (6 Replies)
Hi,
I have to migrate Korn Shell who call Sybase command into Oracle Command.
I have a problem on this example :
DATNUM=$(
sqlplus -S SA/SASASA@MIGGVDEV <<!
SET FEEDBACK OFF;
SET HEADING OFF;
select sybase_utilities.datediff('DAY', '01/01/1900', '01/01/2000') from... (4 Replies)
I've got a problem with file redirection in bash, in loop while (in my script done < bufor.txt). In every consecutive iteration there's a possibility that to the bufor.txt will be added some lines. Unfortunately, in loop, added lines are ignored (for example: bufor.txt has 5 lines, in 3rd iteration... (4 Replies)
So I'm writing a script which tries to parse human-readable addresses. Part of it is this:
print $2, implode(A,1,AN," "), CITY, PROV, POST, COUNTRY, CITYCOUNT>2;
CITYCOUNT is a variable between 0 and 3 counting the number of words in a city name. I'm trying to prnt 1 wherever that's greater... (5 Replies)
Discussion started by: Corona688
5 Replies
LEARN ABOUT DEBIAN
plan9-cat
CAT(1) General Commands Manual CAT(1)NAME
cat, read, nobs - catenate files
SYNOPSIS
cat [ file ... ]
read [ -m ] [ -n nline ] [ file ... ]
nobs [ file ... ]
DESCRIPTION
Cat reads each file in sequence and writes it on the standard output. Thus
cat file
prints a file and
cat file1 file2 >file3
concatenates the first two files and places the result on the third.
If no file is given, cat reads from the standard input. Output is buffered in blocks matching the input.
Read copies to standard output exactly one line from the named file, default standard input. It is useful in interactive rc(1) scripts.
The -m flag causes it to continue reading and writing multiple lines until end of file; -n causes it to read no more than nline lines.
Read always executes a single write for each line of input, which can be helpful when preparing input to programs that expect line-at-a-
time data. It never reads any more data from the input than it prints to the output.
Nobs copies the named files to standard output except that it removes all backspace characters and the characters that precede them. It is
useful to use as $PAGER with the Unix version of man(1) when run inside a win (see acme(1)) window.
SOURCE
/src/cmd/cat.c
/src/cmd/read.c
/bin/nobs
SEE ALSO cp(1)DIAGNOSTICS
Read exits with status eof on end of file or, in the -n case, if it doesn't read nlines lines.
BUGS
Beware of and which destroy input files before reading them.
CAT(1)