hi there
i'm trying to delete blank lines and or lines with spaces only from a series of files in an directory.
to do so, i'm using this:
for files in `ls /users/myname/pesop* 2>/dev/null`
do
grep -v ^$ $files > newfile
mv newfile $files
done
now, this works great for blank lines but... (3 Replies)
I have a text file with blank lines fullfilled with spaces and others only containing the "Enter" caracter, the \012.
I would like to eliminate all them with the sed command.
Is it possible?
making: sed '/^$/d' <file should delete the blank lines but doesn't work for the lines that only... (2 Replies)
I am attempting to delete blank lines in my file and I've used this command:
sed '/^$/d' $file > $file.fixed
all this seems to do is copy the file and not delete the blank lines located at the end of the file. Any assistance would be greatly appreciated. (3 Replies)
Hi,
I have blank line in the file, I just want to remove trailing blank lines.
There are some blank lines between the lines, i don't want remove those.
Just want to delete blank lines at the end.
I used this command sed '/^$/d' infile > outfile, but it is not removing anything.
I think... (1 Reply)
Hi,
I want to use diff to compare two files in a Perl file. But one of the files has some blank lines at the end. So I want to delete the blank lines from the file firstly and then use diff to compare them. But I dont know how to delete the blank lines from the files. Meanwhile, the system is... (5 Replies)
Hi,
Consider a file named "testfile"
The contents of file are as below
first line added for test
second line added for test
third line added for test
fourth line added for test
fifth line added for test (5 Replies)
Hi All,
I have a file and I need to delete the lines that are blank and is starting with some characters below. Something like below:
Regular Ascii File:
Line1: AGODA1 BUSAN||SK Lord Beach 4/6/2012 4/7/2012 68060
Line2: AGODA2 BUSAN||SK Beach Hotel 4/6/2012 4/7/2012 610200
Line3: ... (4 Replies)
Hi all,
I'm looking for a way (sed or awk) to delete multiple lines between blank lines containing two patterns ex:
user: alpha
parameter_1 = 15
parameter_2 = 1
parameter_3 = 0
user: alpha
parameter_1 = 15
parameter_2 = 1
parameter_3 = 0
user: alpha
parameter_1 = 16... (3 Replies)
Discussion started by: ce9888
3 Replies
LEARN ABOUT XFREE86
unexpand
UNEXPAND(1) User Commands UNEXPAND(1)NAME
unexpand - convert spaces to tabs
SYNOPSIS
unexpand [OPTION]... [FILE]...
DESCRIPTION
Convert blanks in each FILE to tabs, writing to standard output.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-a, --all
convert all blanks, instead of just initial blanks
--first-only
convert only leading sequences of blanks (overrides -a)
-t, --tabs=N
have tabs N characters apart instead of 8 (enables -a)
-t, --tabs=LIST
use comma separated list of tab positions The last specified position can be prefixed with '/' to specify a tab size to use after
the last explicitly specified tab stop. Also a prefix of '+' can be used to align remaining tab stops relative to the last speci-
fied tab stop instead of the first column
--help display this help and exit
--version
output version information and exit
AUTHOR
Written by David MacKenzie.
REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report unexpand translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO expand(1)
Full documentation at: <http://www.gnu.org/software/coreutils/unexpand>
or available locally via: info '(coreutils) unexpand invocation'
GNU coreutils 8.28 January 2018 UNEXPAND(1)