09-16-2006
vi commands
Hi,
a. How can we replace one more spaces with a single space in vi?
b. Replace one more spaces following a full stop or a comma with two spaces.?
c. Delete all blank line?
d. Insert > and a space at the start of every line in the file?
e. Reverse the order of lines in a file?
f. In a file, how can two consecutive lines be combined into one?
thanks,
tictactoe
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
hi, I'm completely new to FreeBds or unix in general, is there a really nice site to teach you the basic ommands to free BSD.
I don't know what to do. =( (3 Replies)
Discussion started by: Special K
3 Replies
2. Shell Programming and Scripting
anyone know the command to display the ten most common words, together with their number of occurences, in the manual entry for the ls command. It would be much useful (1 Reply)
Discussion started by: master_6ez
1 Replies
3. Programming
Hello all,
i've written a small piece of code that will read commands from standard input and executes the commands.
Its working fine and is execting the commands well. Accepting arguments too. e.g
#mkdir <name of the directory>
The problem is that its not letting me change the directory i.e... (4 Replies)
Discussion started by: Phrozen Smoke
4 Replies
4. Shell Programming and Scripting
I want to log into a remote server transfer over a new config and then backup the existing config, replace with the new config.
I am not sure if I can do this with BASH scripting.
I have set up password less login by adding my public key to authorized_keys file, it works.
I am a little... (1 Reply)
Discussion started by: bash_in_my_head
1 Replies
5. AIX
Hi all,
I'm new in this forum.
I'm looking for the difference between the HACMP commands with the prefix "cl" and "cli".
The first type are under /usr/es/sbin/cluster/sbin directory and the second are under /usr/es/sbin/cluster/cspoc directory.
I know that the first are called HACMP for AIX... (0 Replies)
Discussion started by: peppix
0 Replies
6. UNIX for Dummies Questions & Answers
Hi!
i'd like from someone to explain me 'what is what' from these parts of code if it's possible.i'd like to understand them and their usage:
1)
sed '3d' filename
2)
sort –t: +0 -1 /etc/passwd
and also this:
tr ‘’ ‘ ‘ < filename
thank you! (11 Replies)
Discussion started by: strawhatluffy
11 Replies
7. UNIX for Dummies Questions & Answers
I'm trying to figure out certain commands for these steps. If you wish to discuss with me in real time, PM me your AIM or MSN, thanks. Here are the steps.
Edit the readcal_final file
Delete all of the lines that comprise the colandar portion of the memo
Without leaving vi, open a new... (0 Replies)
Discussion started by: vgmaster9
0 Replies
8. UNIX for Dummies Questions & Answers
How can I find a list of shortcut commands I can execute within vi using the % indicator?
For example, I can vi a file, press colon, and then type "%s/\r//g" to remove all instances of a carriage return. What else can be executed from the % prompt and what are the shortcut letters (I could type... (4 Replies)
Discussion started by: MaindotC
4 Replies
9. Shell Programming and Scripting
So I need a way to list all files that contain 4 letters.
Also separately I need to find a way to list all files with l or n as the third letter of the name.
I need to use the ls command and/or grep/egrep.
Any help would be a appreciated. (2 Replies)
Discussion started by: muttfacejohnson
2 Replies
10. Homework & Coursework Questions
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
If the user enters option 1, your program should display the list of entries in the current
directory. For... (1 Reply)
Discussion started by: UniverseCloud
1 Replies
is a text formatter. Its input consists of the text to be out-
put, intermixed with formatting commands. A formatting command
is a line containing the control character followed by a two
character command name, and possibly one or more arguments. The
control character is initially . (dot). The formatted output is
produced on standard output. The formatting commands are listed
below, with being a number, being a character, and being a title.
A + before n means it may be signed, indicating a positive or
negative change from the current value. Initial values for where
relevant, 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.