10-08-2014
what OS are you on?
What version of awk are you using? gawk by any chance?
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
I have the following data in the format as shown (note: there are more than 1 blank spaces between each field and the spaces are not uniform, meaning there can be one blank space between field1 and field2 and 3 spaces between field3 and field4, in this example, # are the spaces in between... (19 Replies)
Discussion started by: ReV
19 Replies
2. Shell Programming and Scripting
can't figure out a way to delete multiple empty lines but keep single empty lines in a file, file is like this
#cat file
1
2
3
4
5
6
-
What I want is
1
2 (6 Replies)
Discussion started by: fedora
6 Replies
3. Shell Programming and Scripting
Hi,
I want to write a sed script which from
batiato:
batiato/giubbe:
pip_b.2.txt
pip_b.3.txt
pip_b.3mmm.txt
bennato:
bennato/peterpan:
123.txt
consoli:
pip_a.12.txt
daniele: (2 Replies)
Discussion started by: one71
2 Replies
4. Shell Programming and Scripting
Hi Guys,
I have a file in which each set of records are separated by two blank line. I want to replace it with a single blank line.
Can you guys help me out?
Regards,
Magesh (9 Replies)
Discussion started by: mac4rfree
9 Replies
5. UNIX for Dummies Questions & Answers
why does sed 's/.* //' show the last word in a line
and
sed 's/ .*//' show the first word in a line? How is that blank space before or after the ".*" being interpreted in the regex?
i would think the first example would delete the first word and the next example would delete the second... (1 Reply)
Discussion started by: glev2005
1 Replies
6. Shell Programming and Scripting
FIle A
"A" 2 aa 34
3 ac
5 cd
"B" 3 hu 67
4 fg
5 gy
output shud be
A"" 2 aa 34
"A" 3 ac 34
"A" 5 cd 34
"B" 3 hu 67
"B" 4 fg 67
"B" 5 gy 67 (6 Replies)
Discussion started by: cdfd123
6 Replies
7. Shell Programming and Scripting
I've got a report I need to make easier to read Using sh on HP-UX 11.12.
In short, I want to search for a regular expression and when found, examine the next line to see if it's blank. If so, then delete both lines. If not blank, move on to the next regexp. Repeat.
So far I've got:
... (7 Replies)
Discussion started by: Scottie1954
7 Replies
8. Shell Programming and Scripting
Hi
I am trying to filter some data using awk. I have a statement-
awk 'BEGIN { FS = "\n" ; RS = "" } { if ( $6 = "City: " ) { print "City: Unknown" } else { print $6 } }'`
The $6 values are
City: London
City: Madrid
City:
City: Tokyo
This expression seems to catch all the lines... (4 Replies)
Discussion started by: jamie_123
4 Replies
9. Shell Programming and Scripting
Hello,
I have a file that I want to be able to insert a new line before every instance of a regex. I can get it to do this for each line that contains the regex, but not for each instance.
Contents of infile:
Test this 1...
Test this 2...
Test this 3... Test this 4... Test this... (2 Replies)
Discussion started by: deneuve01
2 Replies
10. Shell Programming and Scripting
Dear All,
In a CSV file, say that a given column has been extracted. In that column, information is missing (i.e. blank lines appear). I would like to replace the blank lines by the last valid line (not blank) previously read.
For example, consider the extract below:
123
234
543
111... (7 Replies)
Discussion started by: bagvian
7 Replies
CAT(1) FSF CAT(1)
NAME
cat - concatenate files and print on the standard output
SYNOPSIS
cat [OPTION] [FILE]...
DESCRIPTION
Concatenate FILE(s), or standard input, to standard output.
-A, --show-all
equivalent to -vET
-b, --number-nonblank
number nonblank output lines
-e equivalent to -vE
-E, --show-ends
display $ at end of each line
-n, --number
number all output lines
-s, --squeeze-blank
never more than one single blank line
-t equivalent to -vT
-T, --show-tabs
display TAB characters as ^I
-u (ignored)
-v, --show-nonprinting
use ^ and M- notation, except for LFD and TAB
--help display this help and exit
--version
output version information and exit
With no FILE, or when FILE is -, read standard input.
AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
The full documentation for cat is maintained as a Texinfo manual. If the info and cat programs are properly installed at your site, the
command
info cat
should give you access to the complete manual.
cat (coreutils) 4.5.3 February 2003 CAT(1)