say i have these many file in a directory named exam.
1)/exam/newfolder/link.txt.
2)/exam/newfolder1/
and i create a tar say exam.tar
well the problem is,
when i read the tar file i dont find any metadata about the directories,as you cannot create a tar containig empty directories.
on the... (2 Replies)
$ cat log.txt
Name Age Sex Lcation nfld alias xsd
CC 25 M XYZ asx KK Y
BB 21 F XAS awe SS N
SD 21 M AQW rty SD A
How can I replace the column with header "Lcation" with the column with header "alias" and delete the "alias" column?
so that the final output will become:
Name Age Sex... (10 Replies)
Hi,
I have a flat file with header with tab delimiter.
nbr id name salesid detail num source num jun_2007 jul_2007 aug_2007 sep_2007 ....feb_2008
I need to modify the header for the columns
nbr to Id1
jun_2007 to Jun07
jul_2007 to Jul07
aug_2007 to Aug07
sep_2007 to Sep07... (3 Replies)
Hi All,
In my file i need to remove header and trailer records which comes in 1st line and last line respectively. After that i need to replace '$\|' with '$#@'.
I am using sed command for this and its taking lot of time. Is there any other command which can be used to improve performance?
... (1 Reply)
Friends,
I need help with the following in UNIX.
Merge all csv files in one folder considering only 1 header row and ignoring header of all other files.
FYI - All files are in same format and contains same headers.
Thank you (4 Replies)
Hi,
I have an input like this
1 2 3 4
2 3 4 5
4 5 6 7
I would like to count the no. of columns and print a header with a prefix "Col".
I would also like to count the no. of rows and print as first column with each line number with a prefix "Row"
So, my output would be
... (2 Replies)
i have a file in the gz format , the content of the file is as follow.
gzcat f1.gz
# 1.name
# 2.location
# 3.age
# 4.dob
.
.
.
.
.
.
.
.
.
# 43.hobbies
< Aravind,33,chennai,09091980, , , , , , , surfing> (5 Replies)
I have a csv which has lot of columns . I was looking for an awk script which would extract a column twice. for the first occurance the header and data needs to be intact but for the second occurance i want to replace the header name since it a duplicate and extract year value which is in ddmmyy... (10 Replies)
I've been struggling with this one for quite a while and cannot seem to find a solution for this find/replace scenario. Perhaps I'm getting rusty.
I have a file that contains a number of metrics (exactly 3 fields per line) from a few appliances that are collected in parallel. To identify the... (3 Replies)
Hello.
A find command return a list of file.
For each fileReplace the content starting with the first "§" (of two) ending with last "ɸ" (of two), regardless of the content ( five lines )
by the following content (exactly) :
§2019_08_23§ #
# ... (8 Replies)
Discussion started by: jcdole
8 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.