Using sed or awk to replace digits in files Post: 303039486

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Hello Everyone, I have many files like so: file1.txt file2.txt file3.txt Within each file I have many lines of random text separated by commas like so: abcAAA,123,defAA,456777,ghiA,789 jklB,101,mnoBBB,11211,pqrB,13111 stuCC,415,vwxCCCC,161,yzaC,718 I am trying to use SED or AWK to...

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vop_advise

VOP_ADVISE(9)						   BSD Kernel Developer's Manual					     VOP_ADVISE(9)

NAME

     VOP_ADVISE -- apply advice about use of file data

SYNOPSIS

     #include <sys/param.h>
     #include <sys/vnode.h>

     int
     VOP_ADVISE(struct vnode *vp, off_t start, off_t end, int advice);

DESCRIPTION

     This call applies advice for a range of a file's data.  It is used to implement the posix_fadvise system call.

     Its arguments are:

     vp      The vnode of the file.

     start   The start of the range of file data.

     end     The end of the range of file data.

     advice  The type of operation to apply to the file data.  Possible values are:

	     POSIX_FADV_WILLNEED  Initiate an asynchronous read of the file data if it is not already resident.

	     POSIX_FADV_DONTNEED  Decrease the in-memory priority of clean file data or discard clean file data.

     If the start and end offsets are both zero, then the operation should be applied to the entire file.  Note that this call is advisory only
     and may perform the requested operation on a subset of the requested range (including not performing it at all) and still return success.

LOCKS

     The file should be unlocked on entry.

RETURN VALUES

     Zero is returned if the call is successful, otherwise an appropriate error code is returned.

ERRORS

     [EINVAL]		An invalid value was given for advice.

SEE ALSO

     vnode(9)

BSD
								  October 3, 2013							       BSD

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Replace tr/sed with awk

Discussion started by: philplasma

2. Shell Programming and Scripting

Using awk and sed to replace contents

Discussion started by: silkiechicken

3. Shell Programming and Scripting

Sed help to replace and then awk

Discussion started by: pinnacle

4. Shell Programming and Scripting

Replace Strings with sed or awk

Discussion started by: Kingbruce