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Top Forums Shell Programming and Scripting Replacing the ipaddress using script Post 302519451 by Peasant on Wednesday 4th of May 2011 03:44:03 AM
Old 05-04-2011
There is an error in syntax of read statement
Code:
read $a

should be
Code:
read a

And your script will work fine.
You don't need grep also.

Code:
sed "s/[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}/$b/g"

 

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IPESCRIPT(1)						      General Commands Manual						      IPESCRIPT(1)

NAME
ipescript - Run an Ipe script (written in Lua) SYNOPSIS
ipescript script { arguments } DESCRIPTION
ipescript runs an Ipe script written in Lua. The Ipe bindings are automatically available in the script. Ipescript looks for the script in any of the script directories. The script argument should not contain the .lua extension. ENVIRONMENT VARIABLES
ipescript respects the following environment variables: IPELATEXDIR the directory where ipetoipe runs Pdflatex. IPESCRIPTS a list of directories where Ipescript will look for scripts. When this variable is not set, Ipe searches first the current directory, then ~/.ipe/scripts, and finally the system-wide Ipe script directory. When this variable is set, it should contain a list of directories, separated by semicolons. A single under- score is replaced by the system-wide Ipe script directory. IPEDEBUG set this to 1 for debugging output from ipescript. AUTHOR
Otfried Cheong REPORTING BUGS
Please report bugs using Ipe bugzilla at http://ipe7.sourceforge.net/bugzilla.html SEE ALSO
Ipe is documented fully in The Ipe Manual, which is available online at http://ipe7.sourceforge.net/manual/manual.html . August 28, 2011 IPESCRIPT(1)
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