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Full Discussion: script help plz
Top Forums Shell Programming and Scripting script help plz Post 302172186 by vino on Monday 3rd of March 2008 02:01:45 AM
Old 03-03-2008
Quote:
Originally Posted by lohan
how do i add #include <stdio.h> to the file by using sed ?
do i use sed to add this line to the screen and send the output to a file ,then move the file to the .c file? plz help
Do something like

Code:
first=$(grep -m 1 "#include" test.c)
sed -e "s/$first/&\n#include <stdio.h>/" test.c

If you have the -i flag available for sed, use that. Else redirect to another file and then rename it.
 

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service(8)						      System Manager's Manual							service(8)

NAME
service - run a System V init script SYNOPSIS
service SCRIPT COMMAND [OPTIONS] service --status-all service --help | -h | --version DESCRIPTION
service runs a System V init script in as predictable environment as possible, removing most environment variables and with current working directory set to /. The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT. The supported values of COMMAND depend on the invoked script, service passes COMMAND and OPTIONS it to the init script unmodified. All scripts should support at least the start and stop commands. As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the start command. service --status-all runs all init scripts, in alphabetical order, with the status command. EXIT CODES
service calls the init script and returns the status returned by it. FILES
/etc/init.d The directory containing System V init scripts. ENVIRONMENT
LANG, TERM The only environment variables passed to the init scripts. SEE ALSO
/etc/init.d/skeleton, update-rc.d(8), init(8), invoke-rc.d(8). Jan 2006 service(8)
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