03-24-2014
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi there, if i had a file that looked like this
my_server1
red
green
blue
yellow
blue
my_server2
blue
blue
yellow
green
blue
my_server3
yellow (9 Replies)
Discussion started by: hcclnoodles
9 Replies
2. UNIX Desktop Questions & Answers
I'm having trouble with extracting certain lines from a file based on whether they have all the required fields.
Original file:
snt:594:Sam N This
bpt:2342:Bob P That
lr:123
wrp:23:Whoever Person
cor:794
Desired output:
snt:594:Sam N This
bpt:2342:Bob P That
wrp:23:Whoever Person
... (3 Replies)
Discussion started by: Chthonic
3 Replies
3. Shell Programming and Scripting
Hi,
I have one file, say file 1, that has data like below where 19900107 is the date,
19900107 12 144 129 0.7380047
19900108 12 168 129 0.3149017
19900109 12 192 129 3.2766666E-02
... (3 Replies)
Discussion started by: Wynner
3 Replies
4. Shell Programming and Scripting
Hi all
I have data like this:
model: 1, misfit value: 0.74987
1 1.182 1.735 2.056 1.867
2 0.503 1.843 2.018 1.888
3 2.706 2.952 2.979 1.882
4 8.015 3.414 3.675 1.874
... (1 Reply)
Discussion started by: fedora2011
1 Replies
5. Shell Programming and Scripting
Hi everybody,
I'd like to think I've been through the search tool not only on this site, but also on google too, but I haven't been able to find what I was looking for. If I might've missed something on this forum, please slap me in the face with a link that you consider useful for my query :D
... (4 Replies)
Discussion started by: dilibau
4 Replies
6. Shell Programming and Scripting
Symmetrix ID : 00000001234
Host Name : myown
Identifiers Found : 5000000000000000
5000000000000001
Device Cap(MB) Attr Dir:P
------ ------- ---- ----
1234 25886 (M) 8D:1, 9D:1
0123 25886 (M) 8D:1, 9D:1
1345 25886 (M) ... (5 Replies)
Discussion started by: maddy.san
5 Replies
7. Shell Programming and Scripting
I need to grep all lines for "yesterday" in /var/log/messages. Dates are in the format "YYYY-MM-DD". (5 Replies)
Discussion started by: Padmanabhan
5 Replies
8. UNIX for Dummies Questions & Answers
This could be a really dummy question.
I have a log text file.
What unix command to extract line from specific string to another specific string.
Is it something similar to?:
more +/"string" file_name
Thanks (4 Replies)
Discussion started by: aku
4 Replies
9. Shell Programming and Scripting
Hi there,
I have a script that I've used to find errors in my Minecraft Server logs. But I'd like to refine that script to be more useful.
Here is the script:
grep -n "SEVERE" /minecraft/server.log | awk -F":" '{print $1-2 "," $1+10 "p"}' | xargs -t -i sed -n {} /minecraft/server.log >>... (15 Replies)
Discussion started by: nbsparks
15 Replies
10. Shell Programming and Scripting
cat file1
*FileHeader* Partition 0
Total Data Bytes 1416
Avg Bytes/Record 1416
Others 1
PRDX22.AUDIT_DATA_INFO Partition 4
Total Data Bytes 4615
Avg... (8 Replies)
Discussion started by: Veera_V
8 Replies
GREP(1) General Commands Manual GREP(1)
NAME
grep - search a file for a pattern
SYNOPSIS
grep [ option ... ] pattern [ file ... ]
DESCRIPTION
Grep searches the input files (standard input default) for lines (with newlines excluded) that match the pattern, a regular expression as
defined in regexp(6). Normally, each line matching the pattern is `selected', and each selected line is copied to the standard output.
The options are
-c Print only a count of matching lines.
-h Do not print file name tags (headers) with output lines.
-i Ignore alphabetic case distinctions. The implementation folds into lower case all letters in the pattern and input before interpre-
tation. Matched lines are printed in their original form.
-l (ell) Print the names of files with selected lines; don't print the lines.
-L Print the names of files with no selected lines; the converse of -l.
-n Mark each printed line with its line number counted in its file.
-s Produce no output, but return status.
-v Reverse: print lines that do not match the pattern.
Output lines are tagged by file name when there is more than one input file. (To force this tagging, include /dev/null as a file name
argument.)
Care should be taken when using the shell metacharacters $*[^|()= and newline in pattern; it is safest to enclose the entire expression in
single quotes '...'.
SOURCE
/sys/src/cmd/grep.c
SEE ALSO
ed(1), awk(1), sed(1), sam(1), regexp(6)
DIAGNOSTICS
Exit status is null if any lines are selected, or non-null when no lines are selected or an error occurs.
GREP(1)