04-29-2009
No sorry, been busy with my day job, only had a few minutes now to come back to it.
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1. Shell Programming and Scripting
hi,
i'm making now a bash script, that runs some compiler... i want to take only errors form its output eg:
output:
bla bla bla
...
erros is 1324546
the bla bla bla
bla bla bla...
...
and i want to get only
erros is 1324546
the bla bla bla (11 Replies)
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2. Shell Programming and Scripting
hi guys! I`ll really appreciate your help.
The situation is:
i have a log file, and i need to get the needed lines from it.
linecount=$(cat -n http.log | grep ALERT | awk '{print $1}' | wc -l)
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3. Shell Programming and Scripting
This is the problem actually:
This regex:
egrep "low debug.*\".*\"" $dbDir/alarmNotification.log
is looking for data between the two quotation marks:
".*\"
When I hate data like this:
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4. Shell Programming and Scripting
I'm trying to search for lines ending with "}" with the following command but am not getting any output.
grep '\}$' myFile.txt
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5. Shell Programming and Scripting
Hi Gurus,
I have a file say for ex. file1 which has 3500 lines in it which are different account numbers and another file (file2) which has 230000 lines in it. I want to read all the lines in file1 and delete all those lines from file2 which has that same pattern as in file1. I am not quite... (4 Replies)
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6. Shell Programming and Scripting
Dear All,
Please advice me, I have a text file with one field date and time like below given. I need to find out the lines whchi content the time stamp between
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7. Shell Programming and Scripting
Hello all,
I've a problem. I've two logfiles and i need to find lines in the second file by using information from the first file. First I need to extract a searchpattern from the first file. Its like abc=searchpattern&cde=. All between abc= and &cde= is the pattern I need to find in the second... (2 Replies)
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8. Shell Programming and Scripting
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9. Shell Programming and Scripting
Hi fellas,
I have a file like this:
A_B
B_D
C_D
D_B
E_F
G_H
B_A
F_E
In other words, I have member1_member2 and member2_member1 in the same file. In the exemple aforementioned I have A_B and B_A, B_D and D_B, E_F and F_E.
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10. UNIX for Dummies Questions & Answers
(1 Reply)
Discussion started by: Twinklefingers
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CAT(1) User Commands CAT(1)
NAME
cat - concatenate files and print on the standard output
SYNOPSIS
cat [OPTION]... [FILE]...
DESCRIPTION
Concatenate FILE(s) to standard output.
With no FILE, or when FILE is -, read standard input.
-A, --show-all
equivalent to -vET
-b, --number-nonblank
number nonempty output lines, overrides -n
-e equivalent to -vE
-E, --show-ends
display $ at end of each line
-n, --number
number all output lines
-s, --squeeze-blank
suppress repeated empty output lines
-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
EXAMPLES
cat f - g
Output f's contents, then standard input, then g's contents.
cat Copy standard input to standard output.
AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman.
REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report cat 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
tac(1)
Full documentation at: <http://www.gnu.org/software/coreutils/cat>
or available locally via: info '(coreutils) cat invocation'
GNU coreutils 8.28 January 2018 CAT(1)