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Shell Programming and Scripting
Question for SED preg_replace
Post 302674885 by sanantonio7777 on Friday 20th of July 2012 03:54:43 PM
07-20-2012
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I'm trying to use 'sed' to substitute some a string, but I can't get it to work.
Can anyone help me, please?
sed 's/d \qmaster\spool1\qmuser/temp_/' account1 > account
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How does sed substitutes a string of characters in a file and replace it with a string passed as an argument to a variable in a script and saves the file with the changes.
Say for example
read name
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LEARN ABOUT CENTOS
dotty
DOTTY(1) General Commands Manual DOTTY(1) NAME
dotty - A Customizable Graph Editor SYNOPSIS
dotty [ -V ] [ -lmmode ] [ -ellev ] [ file ] DESCRIPTION
dotty is a graph editor for the X Window System. It may be run as a standalone editor, or as a front end for applications that use graphs. It can control multiple windows viewing different graphs. dotty is written on top of dot and lefty. lefty is a general-purpose programmable editor for technical pictures. It has an interpretive programming language similar to AWK and C. The user interface and graph editing operations of dotty are written as lefty functions. Pro- grammer-defined graph operations may be loaded as well. Graph layouts are made by dot, which runs as a separate process that communicates with lefty through pipes. If the input graph contains xdot attributes, dotty will use that to display the graph. Otherwise, it runs dot to obtain layout information. USAGE
The file name is optional. If present, the graph contained in that file is displayed in the dotty window. OPTIONS
-V Prints the version. -lmmode Sets the layout mode. The mode can be sync or async. The default is async. -ellev Sets the mesage level. The lev can be 0 or 1. The default is 0. BUGS
The lefty parser does not accept anonymous graphs. SEE ALSO
dot(1), lefty(1), lneato(1), xdot(3) dotty user guide. DOTTY(1)