Here is a bash (or ksh) script that will do what you want entirely in shell and using awk:
The first line in this script uses the 1st argument to your script as the value to match, but defaults to "2222" if the 1st argument is missing or is an empty string.
This User Gave Thanks to Don Cragun For This Post:
Dear All,
I need a unix script that will read the 7th line and especially these fileds from a file Mo speed 16, Mt speed 15 every 15 minutes starting from 00:00 to 23:45 on daily basis and put the result in a txt file and name it MT_MO_20090225.txt, please also note that the system date format... (2 Replies)
Hi All,
I have the same problem as the one posted in
https://www.unix.com/shell-programming-scripting/96097-how-read-value-specific-line-column-csh-variable.html
but I'm using bash.
Can anyone tell me how I have to modify the code to make it bash compatible?
eval `awk 'NR==3{print "set... (5 Replies)
Hi,
Im trying to write this script but im stuck on it, basicaly what i want to do is to write a code to verify a log file ( apache log file for example ) and for each new line with specific data , then, output this new line for another file:
full ex:
output of the server.log is (... (4 Replies)
My project is to get a temperature reading from a refridgerator every 2 minutes and check to see if the door has been left open.
I don't yet have the mastery of Linux, being a complete noob, but I reckon I need a text file with the latest temperature reading in it. This I've managed to do by... (2 Replies)
I use zentyal for my server admin, which is great but zentyal auto-generates config file on boot and hence overwrites any changes made directly to config files. In order to allow multiple user access to a MS ACCESS database, I need to customise the smb.conf file and add the following line to the... (9 Replies)
I'm working on a personal project, a multiplication quiz script for my kids. In it, the user's performance will be recorded and written to a file. After they've played it a little while, it will start to focus more on the ones that give them the most trouble-- that take a long time to answer or... (4 Replies)
I need some help. I would like to read in a text file.
Take a variable such as ROW-D-01, compare it to what's in one line in the text file such as PROD/VM/ROW-D-01 and only input PROD/VM into a variable without the /ROW-D-01.
Is this possible? any help is appreciated. (2 Replies)
Hi
This is my first post and I'm just a beginner. So please be nice to me.
I have a couple of html files where a pattern beginning with "http://www.site.com" and ending with "/resource.dat" is present on every 241st line. How do I extract this to a new text file?
I have tried sed -n 241,241p... (13 Replies)
Hi All,
Am trying to write wrapper shell/bash script on a utility tool for which i need to pass 2 files as arugment to execute utility tool.
Wraper script am trying is to do with above metion 2 files.
utility tool accepts :
a. userinfo file : which contains username
b. item file : which... (2 Replies)
Hello,
I'm works on Ubuntu server
My goal : I would like to read file line per line, but i want to started at the end of file.
Currently, I use instructions :
while read line;
do
COMMAND
done < /var/log/apache2/access.log
But, the first line, i don't want this. The file is long... (5 Replies)
Discussion started by: Fuziion
5 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.