can u please explain me how it works. it will be very helpfull
/* sed */
we use the "-n" parameter for only print the line when our pattern matches with input..
Code:
-n, --quiet, --silent
suppress automatic printing of pattern space
you can think like so ;
/input parameter/ --> we find the our pattern..and then (if find the our pattern then process our commands..)
{n;N;p;q} -->
n: read the next line ("param1" --> our pattern space)
N: append the next line to our pattern space ("param1"\n"param2")
p: print the pattern space ("param1"\n"param2")
q: quit
/* awk */ /input parameter/ --> we find the our pattern..and then (if find the our pattern then process the our commands..)
getline : bring the next line ("param1")
a=$0 (a="param1")
getline : bring the next line ("param2")
a=a"\n"$0 (a="param1"\n"param2")
print and exit
/input parameter/ --> same the above explanation
while(getline) --> while read and bring next line from input(s) (if there isnt an access/permission/read problem,awk read while it comes the EOF)
if(!(/}/||/^[\t ]*$/)) --> /}/ --> if the line not equal the "}"
|| --> OR
/^[\t ]*$/ --> empty line
then
print $0 --> print the record from input (your file)
else --> if not so is equals the its then exit
Hi ,
a:) i have configuration file with pattren
<Range start no>,<Range end no>,<type of records to be extracted from the data file>,<name of the file to store output>
eg:
myfile.confg
9899000000,9899999999,DATA,b.dat
9899000000,9899999999,SMS,a.dat
b:) Stucture of my data file is... (3 Replies)
i have textfiles that contain a series of lines that look like this:
string0 .................................................... column3a column4a
string1**384y0439 ..................................... column3b column4b... (2 Replies)
Hi,
I have some ps files where I want to ectract/copy a certain number from and use that number to rename the ps file.
eg:
'file.ps' contains following text:
14 (09 01 932688 0)t
the text can be variable, the only fixed element is the '14 ('. The problem is that the fixed element can appear... (7 Replies)
Good day, great gurus,
I'm new to Perl, and programming in general. I'm trying to retrieve a column of data from my text file which spans a non-specific number of lines. So I did a regexp that will pick out the columns. However,my pattern would vary. I tried using a foreach loop unsuccessfully.... (2 Replies)
Hi all,
1. I have a file that is getting continously refreshed (appended)
I want to grep all the strings containing substring of the type
abcdf123@aaa.xxx.yyy.zzz:portnumber:
where,
before @, any letters or numbers combination,
after @, IP address
then symbol :
then port... (4 Replies)
Hi All,
I have a small query. I have a file containing the following lines
File 1:
29-Jul-2011 GMT Static data requires update <Extraction should start here>
-----------
-----------
--------------------
-----------------------
----------- <should stop here>
Pattern1 will be time... (2 Replies)
Hello All,
I have a text file with contents as below:
contents of error.txt:
message1="Reason for error code1"
message2="Reason for error code2"
message3="Reason for error code3.
To solve this, you may try doing restart"
I have a requirement where in I have to... (4 Replies)
Hello I have a large file with lines beginning with 552, 553, 554, below is a small sample, I need to extract the data you can see below highlighted in bold from this file on the same location on every line and output it to a new file.
Thank you in advance for any help
55201KL... (2 Replies)
Hi,
I am trying to extract lines from a text file given a text file containing line numbers to be extracted from the first file. How do I go about doing this? Thanks! (1 Reply)
How do I use grep to select words that start with I or O, end in box, and contain at least one letter in between them?
the text file mailinfo.txt contains
Inbox
the Inbox
Is a match box
Doesn't match
INBOX
Outbox
Outbox1
InbOX
Ibox
I box
If the command works correctly it... (4 Replies)
Discussion started by: steezuschrist96
4 Replies
LEARN ABOUT PHP
set_color
set_color(1) fish set_color(1)NAME
set_color - set_color - set the terminal color
set_color - set the terminal color
Synopsis
set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR]
Description
Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple,
cyan, white and normal.
o -b, --background Set the background color
o -c, --print-colors Prints a list of all valid color names
o -h, --help Display help message and exit
o -o, --bold Set bold or extra bright mode
o -u, --underline Set underlined mode
o -v, --version Display version and exit
Calling set_color normal will set the terminal color to whatever is the default color of the terminal.
Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey
font color, while set_color --bold white will result in a white font color.
Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator.
set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and
incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of
ncurses and recompile fish against it in order to fix this issue.
Version 1.23.1 Sun Jan 8 2012 set_color(1)
03-24-2012
