I am spooling a file from oracle and trying to delete the last line of the spooled file which I am unable to do.
Problem is that this file can have multiple records each time and I have no way of knowing how many because the amount can vary. I had an idea of using a while loop to read the... (1 Reply)
I am trying deleting lines from a text file using sed..
sed '/OBJECT="ABC/{N;N;N;d; }'
will do if i have to delete lines starting with Object and next 3 lines
but I was looking for a way to delet lines starting with OBJECT and all the lines till it reaches a blank lines ..or it reaches a... (8 Replies)
Dear Friends
myself Avinash working in bash shell
The problem goes like this
I have a file called work.txt
assume that
first colum=mac address
second colum= IP
third colum = port number
----------------------------------------
00:12:23:34 192.168.50.1 2
00:12:23:35 192.168.50.1 5... (2 Replies)
I have a log file that I am processing. This contains messages from and to a server (requests and responses).
The responses to requests may not be in order i.e. we can have a response to a request after several requests are sent, and in some error cases there may not be any response message.
... (2 Replies)
Friends, I am executing this command in solaris sar -d 3 3 | awk 'NR > 2 { if ($1 !~ /,.+/) print }' | egrep -v "nfs|device" . Now i want to delete the last two lines of my output as they are records of average which i don't want. can some one pls give me some idea on how to proceed. (7 Replies)
We have a server that logs transactions to a file. I want to write a script that will delete the first 50 lines of the file daily without renameing the file or moving the file. (8 Replies)
Hello, im using ex to manipulate some text. Im trying to delete all the lines except those on which a certain regex can be found.
the important part of the script:
ex temp << 'HERE'
g/regex/p
HERE
this command prints the lines I want to end up with, but it doesnt delete the others.... (2 Replies)
Hi guys
I have a text file in the following format
what i would like ot do is iterate through the file deleting the lines containing only numbers. I have googled this and have been unable to find any help ( maybe its my search terms)
so if any one an give me a heads up i would... (3 Replies)
Discussion started by: dunryc
3 Replies
LEARN ABOUT MINIX
roff
is a text formatter. Its input consists of the text to be out-
put, intermixed with formatting commands. A formatting commandis a line containing the control character followed by a twocharacter command name, and possibly one or more arguments. Thecontrol character is initially . (dot). The formatted output isproduced on standard output. The formatting commands are listedbelow, with being a number, being a character, and being a title.A + before n means it may be signed, indicating a positive ornegative change from the current value. Initial values for whererelevant, are given in parentheses.
.ad Adjust right margin.
.ar Arabic page numbers.
.br Line break. Subsequent text will begin on a new line.
.bl n Insert n blank lines.
.bp +n Begin new page and number it n. No n means +1.
.cc c Control character is set to c.
.ce n Center the next n input lines.
.de zz Define a macro called zz. A line with .. ends definition.
.ds Double space the output. Same as .ls 2.
.ef t Even page footer title is set to t.
.eh t Even page header title is set to t.
.fi Begin filling output lines as full as possible.
.fo t Footer titles (even and odd) are set to t.
.hc c The character c (e.g., %) tells roff where hyphens are permitted.
.he t Header titles (even and odd) are set to t.
.hx Header titles are suppressed.
.hy n Hyphenation is done if n is 1, suppressed if it is 0. Default is 1.
.ig Ignore input lines until a line beginning with .. is found.
.in n Indent n spaces from the left margin; force line break.
.ix n Same as .in but continue filling output on current line.
.li n Literal text on next n lines. Copy to output unmodified.
.ll +n Line length (including indent) is set to n (65).
.ls +n Line spacing: n (1) is 1 for single spacing, 2 for double, etc.
.m1 n Insert n (2) blank lines between top of page and header.
.m2 n Insert n (2) blank lines between header and start of text.
.m3 n Insert n (1) blank lines between end of text and footer.
.m4 n Insert n (3) blank lines between footer and end of page.
.na No adjustment of the right margin.
.ne n Need n lines. If fewer are left, go to next page.
.nn +n The next n output lines are not numbered.
.n1 Number output lines in left margin starting at 1.
.n2 n Number output lines starting at n. If 0, stop numbering.
.ni +n Indent line numbers by n (0) spaces.
.nf No more filling of lines.
.nx f Switch input to file f.
.of t Odd page footer title is set to t.
.oh t Odd page header title is set to t.
.pa +n Page adjust by n (1). Same as .bp
.pl +n Paper length is n (66) lines.
.po +n Page offset. Each line is started with n (0) spaces.
.ro Page numbers are printed in Roman numerals.
.sk n Skip n pages (i.e., make them blank), starting with next one.
.sp n Insert n blank lines, except at top of page.
.ss Single spacing. Equivalent to .ls 1.
.ta Set tab stops, e.g., .ta 9 17 25 33 41 49 57 65 73 (default).
.tc c Tabs are expanded into c. Default is space.
.ti n Indent next line n spaces; then go back to previous indent.
.tr ab Translate a into b on output.
.ul n Underline the letters and numbers in the next n lines.