while IFS= read -r line; do
case $i in
\#*) continue;;
esac
printf '%s\n' "$i"
done
Of course, you'll need to feed the while loop with a pipe or a redirect or its inherited stdin.
Regards,
Alister
---------- Post updated at 05:32 PM ---------- Previous update was at 05:26 PM ----------
Quote:
Originally Posted by bankimmehta
I thought of using a goto command but a lot of guys on this site say its not the good way to program.
Don't blindly follow any mantras. In certain situations (complex error handling, for example), a well-utilized goto can significantly simplify code, and simpler code is easier to read, maintain, less buggy and perhaps faster.
I have a file that has a list of numbers in it. Each line has a different number. I am trying to create some sort of loop within a script that will pick the numbers up on lines 1 and 2 and then put those figures into the script. It then goes through the process then loops back and reads lines 2 and... (5 Replies)
How can I exclude reading lines in a file that contains the following:
filesystem:/home/pach/liv_patches 128005120 88456640 37270758 71% /home/patches
That is, all lines that contain and begins with filesystem: should not be processed/read from a file (5 Replies)
hi,
I have a shell script that searches for a particular pattern in all the files inside a directory, and gives the count of that pattern occurences in a file.
Now i should not count the pattern if it exists in side a { .... }, as shown below.
{
......
.....
.... PATTERN1.......... (1 Reply)
Hi,
I have a file:
file.txt
1 word
2 word
word
word
3 word
4 word
and I would like to create a set:
set number = `cut -d" " -f1 ${1}` #${1} is the text file
but it should only contain the lines which begin with numbers,
and another set which contains the lines which begin with... (10 Replies)
Im trying to ssh to a remote machine to grep 'x info' *.log and Im able to get the grep output as expected but "after" the policies (1st 14 lines) - I need to skip the first 14 lines.
Its SunOS.
Plz help??? (1 Reply)
Im trying to ssh to a remote machine to grep 'x info' *.log and Im able to get the grep output as expected but "after" the policies (1st 14 lines) - I need to skip the first 14 lines.
Its SunOS.
Plz help??? (7 Replies)
Hi all,
I jut use a loop to read lines from the user and redirect it to a file.
echo "Enter the line"
while read -r LINE
do
echo $LINE >> FILE
if ;then
break
fi
done
input
app... (1 Reply)
Hello everyone,
I have thought about this for quite some time and know what I want to do but am having some trouble at it. I have a text file filled with numbers like this, there are more in the file obviously. Each number is separated by a space.
1 3 2 4 5
1 -1 1 0 -1 5The idea is... (7 Replies)
Hello,
I am new to AWK and in UNIX in general. I am hoping you can help me out here.
Here is my data:
root@ubuntu:~# cat circuits.list
WORD1
AA
BB
CC
DD
Active
ISP1
ISP NAME1
XX-XXXXXX1
WORD1
AA
BB
CC (9 Replies)
Hello, I am new in shell scripting. I need help regarding following.
I have 4 files generated by backups daily. I have stored the names of these 4 files into one file. i.e I have 4 files names as a, b, c & d and these names have been put into one file abcd.txt.
Now I want to cat each file in... (7 Replies)
Discussion started by: Ali Sarwar
7 Replies
LEARN ABOUT REDHAT
uniq
UNIQ(1) FSF UNIQ(1)NAME
uniq - remove duplicate lines from a sorted file
SYNOPSIS
uniq [OPTION]... [INPUT [OUTPUT]]
DESCRIPTION
Discard all but one of successive identical lines from INPUT (or standard input), writing to OUTPUT (or standard output).
Mandatory arguments to long options are mandatory for short options too.
-c, --count
prefix lines by the number of occurrences
-d, --repeated
only print duplicate lines
-D, --all-repeated[=delimit-method] print all duplicate lines
delimit-method={none(default),prepend,separate} Delimiting is done with blank lines.
-f, --skip-fields=N
avoid comparing the first N fields
-i, --ignore-case
ignore differences in case when comparing
-s, --skip-chars=N
avoid comparing the first N characters
-u, --unique
only print unique lines
-w, --check-chars=N
compare no more than N characters in lines
--help display this help and exit
--version
output version information and exit
A field is a run of whitespace, then non-whitespace characters. Fields are skipped before chars.
AUTHOR
Written by Richard Stallman and David MacKenzie.
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 uniq is maintained as a Texinfo manual. If the info and uniq programs are properly installed at your site, the
command
info uniq
should give you access to the complete manual.
uniq (coreutils) 4.5.3 February 2003 UNIQ(1)