I'm trying to figure out how to do this efficiently with as little execution time as possible and I'm pretty sure using sed is the best way. However I'm new to sed and all the reading and examples I've found don't seem to show a similar exercise:
I have a long text file (i'll call it... (3 Replies)
Hi All,
I am new to this forumn as well to the UNIX, I have basic knowledge of UNIX which I studied some years ago, now I have to do some shell scripting to load data into Oracle database using sqlldr utility, whcih I am able to do. I have a requirement where I need to do following operation.
I... (10 Replies)
I need to write a shell script for below scenario
My input file has data in format:
qwerty0101TWE 12345 01022005 01022005 datainala alanfernanded 26
qwerty0101mXZ 12349 01022005 06022008 datainalb johngalilo 28
qwerty0101TWE 12342 01022005 07022009 datainalc hitalbert 43
qwerty0101CFG 12345... (19 Replies)
I have a file in unix with sample data as follows :
--------------------------------------------------------------
--------------------------------------------------------------
{30001002|XXparameter|Layout|$
I want this file to be splitted into different files and corresponding to the sample... (54 Replies)
Hi,
I have a space delimited text file with multiple columns 102 columns. I want to break it up into 100 files labelled 1.txt through 100.txt (n.txt). Each text file will contain the first two columns and in addition the nth column (that corresponds to n.txt). The third file will contain the... (1 Reply)
A text file has 2 fields (Data, Filename) delimited by # as below,
Data,Filename
Row1 -> abc#Test1.xml
Row2 -> xyz#Test2.xml
Row3 -> ghi#Test3.xml
The content in first field has to be written into a file where filename should be considered from second field.
So from... (4 Replies)
I will simplify the explaination a bit, I need to parse through a 87m file -
I have a single text file in the form of :
<NAME>house........
SOMETEXT
SOMETEXT
SOMETEXT
.
.
.
.
</script>
MORETEXT
MORETEXT
.
.
. (6 Replies)
Hello, I have a text file "file.list" with the contents below.
file1
filename1
file2
filename2
file3
filename3
file1, file2 and file3 are files existing in the same directory as the text file file.list.
I want to rename file1 to filename1, file2 to filename2, as show in the text... (1 Reply)
Hello!
New here although not completely new to Unix.
I wonder how I could rename files based on the data found in a simple textfile.
It goes like this:
I have 4 files
1 ldfgkkfjslkdfjsldkfjsf.wav
2 nndsdflksdjf.wav
3 sdflksjdf jjsdflsdfl.wav
4 dkadsdddd.wav
Textfile.txt looks like... (14 Replies)
Hello,
I have some large text files that look like,
putrescine
Mrv1583 01041713302D
6 5 0 0 0 0 999 V2000
2.0928 -0.2063 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0
5.6650 0.2063 0.0000 N 0 0 0 0 0 0 0 0 0 0 0 0
3.5217 ... (3 Replies)
Discussion started by: LMHmedchem
3 Replies
LEARN ABOUT ULTRIX
csplit
csplit(1) General Commands Manual csplit(1)Name
csplit - context split
Syntax
csplit [ -s ] [ -k ] [ -f prefix ] file arg1 [ ...argn ]
Description
The command reads file and separates it into n+1 sections, as defined by the arguments arg1...argn. By default, the sections are placed in
xx00...xxn (n may not be greater than 99). The named file is sectioned in the following way:
00: From the start of file up to (but not including) the line referenced by arg1.
01: From the line referenced by arg1 up to the line referenced by arg2.
.
.
.
n: From the line referenced by argn to the end of file.
If the file argument is a minus (-) then standard input is used. A minus is an ASCII octal 055.
Options-s Suppresses the printing of all character counts. If the -s option is omitted, the command prints the character counts
for each file created.
-k Leaves previously created files intact. If the -k option is omitted, automatically removes created files if an error
occurs.
-fprefix Names the created files prefix00...prefixn. The default is xx00...xxn.
The arguments (arg1...argn) to can be a combination of the following:
/rexp/[offset] A file is created for the section from the current line up to (but not including) the line containing the regular
expression rexp. The current line becomes the line containing rexp. The optional offset is plus (+) or minus
(-) the number of lines. For example, /Page/-5.
%rexp%[offset] This argument is the same as /rexp/[offset], except that no file is created for the section.
lnno A file is created from the current line up to (but not including) lnno. The current line becomes lnno.
{num} Repeat argument. This argument may follow any of the above arguments. If it follows a rexp argument, that argu-
ment is applied num more times. If it follows lnno, the file will be split every lnno lines (num times) from
that point.
Enclose all rexp type arguments that contain blanks or other characters meaningful to the Shell in the appropriate quotes. Regular expres-
sions should not contain embedded new-lines. The command does not affect the original file; it is the user's responsibility to remove it.
Examples
csplit -f cobol file /procedure division/ /par5./ /par16./
This example creates four files, cobol00...cobol03. After editing the files that created, they can be recombined as follows:
cat cobol0[0-3] > file
Note that this example overwrites the original file.
csplit -k file 100 {99}
This example splits the file every 100 lines, up to 10,000 lines. The -k option causes the created files to be retained if there are less
than 10,000 lines; however, an error message would still be printed.
csplit -k prog.c '%main(%' '/^}/+1' {20}
Assuming that follows the normal C coding convention of ending routines with a right brace (}) at the beginning of the line, this example
creates a file containing each separate C routine (up to 21) in
Diagnostics
The diagnostics are self explanatory except for the following:
arg - out of range
This message means that the given argument did not reference a line between the current position and the end of the file.
See Alsoed(1), sh(1)csplit(1)