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Full Discussion: Rename file extension.
Top Forums Shell Programming and Scripting Rename file extension. Post 302774489 by anbu23 on Saturday 2nd of March 2013 07:01:46 AM
Old 03-02-2013
Code:
$ awk -F"." -v OFS="." ' { NF>1?$NF="ctl":$NF=$NF FS "ctl" } ; 1 ' file
abc.mnp.31235.ctl
injo_kluo.miou.-mkop.ctl
12342_kjlu_3234.ctl
integrate.ctl

Or
Code:
$ sed "s/\.[^.]*$//;s/$/.ctl/" file
abc.mnp.31235.ctl
injo_kluo.miou.-mkop.ctl
12342_kjlu_3234.ctl
integrate.ctl

 

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LEARN ABOUT DEBIAN

gen-ctl-io

GEN-CTL-IO(1)							      libctl							     GEN-CTL-IO(1)

NAME

       gen-ctl-io - generate C interface code for libctl control files

SYNOPSIS

       gen-ctl-io [OPTION]... [spec-file]

DESCRIPTION

       gen-ctl-io  generates  C  code  to import/export the input/output variables used in a libctl control file.  gen-ctl-io generates files like
       ctl-io.h and ctl-io.c.  These files define global variables, data structures, and functions for the input/output  variables,  classes,  and
       function interfaces defined in the spec-file argument, automating the interaction between C and Guile.

       The  arguments  such  as  --code and --header are used to control whether ctl-io.c or ctl-io.h, etcetera, are generated.  If no argument is
       specified then both of these files are generated by default, for backwards compatibility.

       libctl is a free library to aid in interfacing scientific software with the GNU Guile scripting and extension language.	Documentation  for
       it may be found online at the libctl home page: http://ab-initio.mit.edu/libctl

OPTIONS

       --code Generate C (or C++) source code to implement the Guile interface functions.  The default output file name is ctl-io.c (in C) or ctl-
	      io.cpp (in C++).

       --header
	      Generate the header file declaring the interface data types and functions. The default output file name is ctl-io.h (in C)  or  ctl-
	      io.hpp (in C++).

       --swig Generate	a  SWIG  interface  definition file declaring automatic conversions for the various libctl data types.	The default output
	      file name is ctl-io.i.

       --cxx  Generate C++ code instead of C code.

       -o file
	      Use file as the output file name instead of the defaults (above).

BUGS

       Send bug reports to S. G. Johnson, stevenj@alum.mit.edu.

AUTHORS

       Written by Steven G. Johnson.

libctl								  March 27, 2006						     GEN-CTL-IO(1)
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