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Shell Programming and Scripting
extract blocks of text from a file
Post 302314856 by cajunfries on Sunday 10th of May 2009 10:16:00 PM
05-10-2009
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1. Shell Programming and Scripting
Hello,
Hello Firends,
I have file like below. I want to remove selected blocks say abc,pqr,lst. how can i remove those blocks from file.
zone abc {
blah
blah
blah }
zone xyz {
blah
blah
blah }
zone pqr {
blah
blah
blah } (4 Replies)
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2. Programming
needa c program to extract text between two delimiters from some text file.
and then storing them in to diffrent variables ?
text file like 0:
abc.txt
=========
aaaaaa|11111111|sssssssssss|333333|ddddddddd|34343454564|asass
aaaaaa|11111111|sssssssssss|333333|ddddddddd|34343454564|asass... (7 Replies)
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3. Shell Programming and Scripting
Hi,
I have an one-line file consisting of a sequence of 660 letters. I would like to extract 9-letter blocks iteratively:
ASDFGHJKLQWERTYUIOPZXCVBNM
first block: ASDFGHJKL
1nd block: SDFGHJKLQ
What I have so far only gives me the first block, can anyone please explain why?
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4. Shell Programming and Scripting
Hi,
I have file which contains information written in blocks (every block is different). Is it possible to read every block one by one to another file (one block per file).
The input is something like this
<block1>
<empty line>
<block2>
<empty line>
...
...
...
<block25>
<empty... (0 Replies)
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5. Shell Programming and Scripting
Hello,
I have a file like this:
FILE.TXT:
(define argc :: int)
(assert ( > argc 1))
(assert ( = argc 1))
<check>
#
(define c :: float)
(assert ( > c 0))
(assert ( = c 0))
<check>
#
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Hi,
I am working with CVS log data and have some data as follows.
RCS file: /cvsroot/eclipse/org.eclipse.debug.core/core/org/eclipse/debug/core/IBreakpointListener.java,v
head: 1.14
branch:
locks: strict
access list:
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Hello to all,
I would like to search sequences of bytes inside big binary file.
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----------------------------------------------------------------- (This line really is in the file)
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10. Shell Programming and Scripting
Hi All
I have a list of files which will have duplicate list of blocks of text. Following is a sample of the file, I have removed the sensitive information from the file.
All the code samples starts from <TR BGCOLOR="white"> and Ends with IP address and two html tags like this.
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LEARN ABOUT NETBSD
progress
PROGRESS(1) BSD General Commands Manual PROGRESS(1) NAME
progress -- feed input to a command, displaying a progress bar SYNOPSIS
progress [-ez] [-b buffersize] [-f file] [-l length] [-p prefix] cmd [args ...] DESCRIPTION
The progress utility opens a pipe to cmd and feeds an input stream into it, while displaying a progress bar to standard output. If no file- name is specified, progress reads from standard input. Where feasible, progress fstat(2)s the input to determine the length, so a time esti- mate can be calculated. If no length is specified or determined, progress simply displays a count of the data and the data rate. The options are as follows: -b buffersize Read in buffers of the specified size (default 64k). An optional suffix (per strsuftoll(3)) may be given. -e Display progress to standard error instead of standard output. -f file Read from the specified file instead of standard input. -l length Use the specified length for the time estimate, rather than attempting to fstat(2) the input. An optional suffix (per strsuftoll(3)) may be given. -p prefix Print the given ``prefix'' text before (left of) the progress bar. -z Filter the input through gunzip(1). If -f is specified, calculate the length using gzip -l. EXIT STATUS
progress exits 0 on success. EXAMPLES
The command progress -zf file.tar.gz tar xf - will extract the file.tar.gz displaying the progress bar as time passes: 0% | | 0 0.00 KiB/s --:-- ETA 40% |******** | 273 KiB 271.95 KiB/s 00:01 ETA 81% |*********************** | 553 KiB 274.61 KiB/s 00:00 ETA 100% |*******************************| 680 KiB 264.59 KiB/s 00:00 ETA If it is preferred to monitor the progress of the decompression process (unlikely), then progress -f file.tar.gz tar zxf - could be used. The command dd if=/dev/rwd0d ibs=64k | progress -l 120g dd of=/dev/rwd1d obs=64k will copy the 120 GiB disk wd0 (/dev/rwd0d) to wd1 (/dev/rwd1d), displaying a progress bar during the operation. SEE ALSO
ftp(1), strsuftoll(3) HISTORY
progress first appeared in NetBSD 1.6.1. The dynamic progress bar display code is part of ftp(1). AUTHORS
progress was written by John Hawkinson <jhawk@NetBSD.org>. ftp(1)'s dynamic progress bar was written by Luke Mewburn. BUGS
Since the progress bar is displayed asynchronously, it may be difficult to read some error messages, both those produced by the pipeline, as well as those produced by progress itself. BSD
June 6, 2007 BSD