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Top Forums UNIX for Advanced & Expert Users Change value of a parameter in a file[solved] Post 302668663 by GosarJunk on Monday 9th of July 2012 07:35:41 PM
Old 07-09-2012
Change value of a parameter in a file[solved]

I have a requirement to change the value of a parameter in a configuration file at a certain time before a particular script (python script) runs so that it outputs debug logs for the script.

There are lots of other parameters in the file but i wnat to change only this particular parameter.

From
Code:
SQL_TRACE=False

To
Code:
SQL_TRACE=True

How can this be done in awk or sed ??

---------- Post updated at 04:35 PM ---------- Previous update was at 04:12 PM ----------

I got it. Thanks

Code:
/bin/sed 's/SQL_DEBUG=False/SQL_DEBUG=True/' filename > /tmp/$$
mv /tmp/$$ filename

 

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XkbSetNamedIndicator(3) 					   XKB FUNCTIONS					   XkbSetNamedIndicator(3)

NAME
XkbSetNamedIndicator - Names an indicator if it is not already named; toggles the state of the indicator; sets the indicator to a specified state and sets the indicator map for the indicator SYNOPSIS
Bool XkbSetNamedIndicator ( dpy, device_spec, name, change_state, state, create_new, map ) Display * dpy ; unsigned int device_spec ; Atom name ; Bool change_state ; Bool state ; Bool create_new ; XkbIndicatorMapPtr map ; ARGUMENTS
- dpy connection to the X server - device_spec device ID, or XkbUseCoreKbd - name name of the indicator to change - change_state whether to change the indicator state or not - state desired new state for the indicator - create_new whether a new indicator with the specified name should be created when necessary - map new map for the indicator DESCRIPTION
If a compatible version of the Xkb extension is not available in the server, XkbSetNamedIndicator returns False. Otherwise, it sends a request to the X server to change the indicator specified by name and returns True. If change_state is True, and the optional parameter, state, is not NULL, XkbSetNamedIndicator tells the server to change the state of the named indicator to the value specified by state. If an indicator with the name specified by name does not already exist, the create_new parameter tells the server whether it should create a new named indicator. If create_new is True, the server finds the first indicator that doesn't have a name and gives it the name specified by name. If the optional parameter, map, is not NULL, XkbSetNamedIndicator tells the server to change the indicator's map to the values specified in map. In addition, it can also generate XkbIndicatorStateNotify, XkbIndicatorMapNotify, and XkbNamesNotify events. RETURN VALUES
True The XkbSetNamedIndicator function returns True if a compatible version of the Xkb extension is available in the server. False The XkbSetNamedIndicator function returns False if a compatible version of the Xkb extension is not available in the server. DIAGNOSTICS
BadAtom A name is neither a valid Atom or None BadImplementation Invalid reply from server SEE ALSO
XkbIndicatorMapNotify(3), XkbIndicatorStateNotify(3), XkbNamesNotify(3) X Version 11 libX11 1.2.1 XkbSetNamedIndicator(3)
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