04-07-2009
sed 's/\(.*no is\) \(.* \)\(and .* is\)\(.*\)/\2\4/g' filename
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1. Shell Programming and Scripting
Hi All,
I want to extract last paragraph from a text for example
aaaaa
sadafsa
sdfdsaf
asfdsad
asfdsfad
asfdfsafd
adfssas
asdfsafdsa
asfdasdfa
sadfasdsaf
i need the last paragraph how to do it using linux commands (1 Reply)
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2. UNIX for Dummies Questions & Answers
Hi,
I have some ps files where I want to ectract/copy a certain number from and use that number to rename the ps file.
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'file.ps' contains following text:
14 (09 01 932688 0)t
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3. Shell Programming and Scripting
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4. Shell Programming and Scripting
I won't pretend. I am no bash, grep, awk or sed specialist but I have tried for a couple of days to extract something from a line in a file but have badly failed. There are just too may parenthesis, quotemarks, periods, etc. to trip me up, I think.
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5. Shell Programming and Scripting
I dont know if I am making any sense here. But I need to do something like this.
I have a variable that contains result from the svnlook command on a post-commit hook script.
test=`/usr/bin/svnlook changed $REPOS -r $REV | grep "^A.*index.html$"
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6. Programming
i m unable to extract data from one text files to different text files..i am able to concat two text files in d same file
---------- Post updated at 03:21 PM ---------- Previous update was at 03:16 PM ----------
i want a c program for it (2 Replies)
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7. Shell Programming and Scripting
Hi there, Unix Gurus
Back in September last year you helped me find a way to extract the words in brackets in a textfile to a new one.
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Hello I have a large file with lines beginning with 552, 553, 554, below is a small sample, I need to extract the data you can see below highlighted in bold from this file on the same location on every line and output it to a new file.
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I have a command which returns the below output. How can I write a script to extract mainhost and secondhost from this output and put it into an array? I may sometimes have more hosts like thirdhost. I am redirecting this output to a variable. So I guess there should be a awk or sed command to... (7 Replies)
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Hi,
I am trying to extract lines from a text file given a text file containing line numbers to be extracted from the first file. How do I go about doing this? Thanks! (1 Reply)
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LEARN ABOUT LINUX
shtool-subst
SHTOOL-SUBST.TMP(1) GNU Portable Shell Tool SHTOOL-SUBST.TMP(1)
NAME
shtool-subst - GNU shtool sed(1) substitution operations
SYNOPSIS
shtool subst [-v|--verbose] [-t|--trace] [-n|--nop] [-w|--warning] [-q|--quiet] [-s|--stealth] [-i|--interactive] [-b|--backup ext]
[-e|--exec cmd] [-f|--file cmd-file] [file] [file ...]
DESCRIPTION
This command applies one or more sed(1) substitution operations to stdin or any number of files.
OPTIONS
The following command line options are available.
-v, --verbose
Display some processing information.
-t, --trace
Enable the output of the essential shell commands which are executed.
-n, --nop
No operation mode. Actual execution of the essential shell commands which would be executed is suppressed.
-w, --warning
Show warning on substitution operation resulting in no content change on every file. The default is to show a warning on substitution
operations resulted in no content change on all files.
-q, --quiet
Suppress warning on substitution operation resulting in no content change.
-s, --stealth
Stealth operation. Preserve timestamp on file.
-i, --interactive
Enter interactive mode where the user has to approve each operation.
-b, --backup ext
Preserve backup of original file using file name extension ext. Default is to overwrite the original file.
-e, --exec cmd
Specify sed(1) command directly.
-f, --file cmd-file
Read sed(1) command from file.
EXAMPLE
# shell script
shtool subst -i -e 's;(c) ([0-9]*)-2000;(c) 1-2001;' *.[ch]
# RPM spec-file
%install
shtool subst -v -n
-e 's;^(prefix=).*;1 $RPM_BUILD_ROOT%{_prefix};g'
-e 's;^(sysconfdir=).*;1 $RPM_BUILD_ROOT%{_prefix}/etc;g'
`find . -name Makefile -print`
make install
HISTORY
The GNU shtool subst command was originally written by Ralf S. Engelschall <rse@engelschall.com> in 2001 for GNU shtool. It was prompted
by the need to have a uniform and convenient patching frontend to sed(1) operations in the OpenPKG package specifications.
SEE ALSO
shtool(1), sed(1).
18-Jul-2008 shtool 2.0.8 SHTOOL-SUBST.TMP(1)