Remove newlines Post: 302890909

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Top Forums UNIX for Dummies Questions & Answers Remove newlines Post 302890909 by wisecracker on Sunday 2nd of March 2014 09:24:14 AM

03-02-2014

Registered User

Quote:

To day night i implement this code..

WHAT!!!

Untested, unproven in _all_ situations and primitive?

Again I state with a loud voice this time:-
THIS WILL ONLY WORK WITH YOUR LINE NUMBERS 10 TO 19 WITH THE TEST DATA GIVEN!

Take heed!

Your code with minor corrections...

Code:

#!/bin/bash
# rm_newline.sh
# Use the data already given in my previous postings...
cat < /tmp/bunny
tr -d '\n' < /tmp/bunny > /tmp/NewFileName
echo ""
echo ""
cat < /tmp/NewFileName
echo ""
echo ""
mynewfile=""
newline=0
n="1"
# FIle bunny and variable bunny - fun eh!
read -d '' -r bunny < /tmp/NewFileName
while true
do
	if [ $newline -ge ${#bunny} ]
	then
		break
	fi
	if [ "${bunny:$newline:2}" = "0$n" ]
	then
		mynewfile=$mynewfile${bunny:$newline:1}$'\n'
	else
		mynewfile=$mynewfile${bunny:$newline:1}
	fi
	newline=$[ ( $newline + 1 ) ]
done
echo "$mynewfile" > /tmp/File
cat < /tmp/File

Results:-

Code:

Last login: Sun Mar  2 14:09:36 on ttys000
AMIGA:barrywalker~> chmod 755 bunny.sh
AMIGA:barrywalker~> ./bunny.sh
10,"Special Projects,bangaram",0,,0
10,"Statutory/ Internal Audit , MO reporting (incl Excel Spreadsheet uploadation)",	bangaram,0,,0
10,"Complience with SVCCL",	bangaram,	0,,	0
10,	"Release of incentives / commission to all channel partners.
",	bangaram,	0,,	0
10,"Timely processing of sales orders to channel partners",	bangaram,	0,,	0
10,"	Balance sheet Reviwe", bangaram,	0,,	0
10,"	Ensuring Critical Reconciliation on monthly basis. (IN-GL)",	bangaram,	0,,	0
10,	"Timely & accurate closure of Accounts.
",	bangaram,	0,,	0
11,"	Opex Spend on communication activites",	bangaram,	0,,	0
11,"	Opex Spend on communication activites",	bangaram	,0,,	0


10,"Special Projects,bangaram",0,,010,"Statutory/ Internal Audit , MO reporting (incl Excel Spreadsheet uploadation)",	bangaram,0,,010,"Complience with SVCCL",	bangaram,	0,,	010,	"Release of incentives / commission to all channel partners.",	bangaram,	0,,	010,"Timely processing of sales orders to channel partners",	bangaram,	0,,	010,"	Balance sheet Reviwe", bangaram,	0,,	010,"	Ensuring Critical Reconciliation on monthly basis. (IN-GL)",	bangaram,	0,,	010,	"Timely & accurate closure of Accounts.",	bangaram,	0,,	011,"	Opex Spend on communication activites",	bangaram,	0,,	011,"	Opex Spend on communication activites",bangaram	,0,,	0

10,"Special Projects,bangaram",0,,0
10,"Statutory/ Internal Audit , MO reporting (incl Excel Spreadsheet uploadation)",	bangaram,0,,0
10,"Complience with SVCCL",	bangaram,	0,,	0
10,	"Release of incentives / commission to all channel partners.",	bangaram,	0,,	0
10,"Timely processing of sales orders to channel partners",	bangaram,	0,,	0
10,"	Balance sheet Reviwe", bangaram,	0,,	0
10,"	Ensuring Critical Reconciliation on monthly basis. (IN-GL)",	bangaram,	0,,	0
10,	"Timely & accurate closure of Accounts.",	bangaram,	0,,	0
11,"	Opex Spend on communication activites",	bangaram,	0,,	0
11,"	Opex Spend on communication activites",	bangaram	,0,,	0
AMIGA:barrywalker~> _

wisecracker

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LEARN ABOUT MOJAVE

tcl_unstackchannel

Tcl_StackChannel(3)					      Tcl Library Procedures					       Tcl_StackChannel(3)

__________________________________________________________________________________________________________________________________________________

NAME

       Tcl_StackChannel, Tcl_UnstackChannel, Tcl_GetStackedChannel, Tcl_GetTopChannel - manipulate stacked I/O channels

SYNOPSIS

       #include <tcl.h>

       Tcl_Channel
       Tcl_StackChannel(interp, typePtr, clientData, mask, channel)

       int
       Tcl_UnstackChannel(interp, channel)

       Tcl_Channel
       Tcl_GetStackedChannel(channel)

       Tcl_Channel
       Tcl_GetTopChannel(channel)

ARGUMENTS

       Tcl_Interp *interp (in)			Interpreter for error reporting.

       Tcl_ChannelType *typePtr (in)		The new channel I/O procedures to use for channel.

       ClientData clientData (in)		Arbitrary one-word value to pass to channel I/O procedures.

       int mask (in)				Conditions  under  which channel will be used: OR-ed combination of TCL_READABLE, TCL_WRITABLE and
						TCL_EXCEPTION.	This can be a subset of the operations currently allowed on channel.

       Tcl_Channel channel (in) 		An existing Tcl channel such as returned by Tcl_CreateChannel.
_________________________________________________________________

DESCRIPTION

       These functions are for use by extensions that add processing layers to Tcl I/O channels.  Examples include compression and encryption mod-
       ules.   These  functions  transparently	stack  and unstack a new channel on top of an existing one.  Any number of channels can be stacked
       together.

       The implementation of the Tcl channel code was rewritten in 8.3.2 to correct some problems with the previous implementation with regard	to
       stacked	channels.   Anyone  using  stacked  channels  or  creating  stacked channel drivers should update to the new TCL_CHANNEL_VERSION_2
       Tcl_ChannelType structure.  See Tcl_CreateChannel for details.

       Tcl_StackChannel stacks a new channel on an existing channel with the same name that was registered for channel by Tcl_RegisterChannel.

       Tcl_StackChannel works by creating a new channel structure and placing itself on top of the channel stack.  EOL translation,  encoding  and
       buffering  options  are shared between all channels in the stack.  The hidden channel does no buffering, newline translations, or character
       set encoding.  Instead, the buffering, newline translations, and encoding functions all remain at the top of the channel stack.	A  pointer
       to the new top channel structure is returned.  If an error occurs when stacking the channel, NULL is returned instead.

       The  mask  parameter  specifies the operations that are allowed on the new channel.  These can be a subset of the operations allowed on the
       original channel.  For example, a read-write channel may become read-only after the Tcl_StackChannel call.

       Closing a channel closes the channels stacked below it.	The close of stacked channels is executed in a way that allows buffered data to be
       properly flushed.

       Tcl_UnstackChannel  reverses  the  process.   The  old  channel	is  associated	with  the channel name, and the processing module added by
       Tcl_StackChannel is destroyed.  If there is no old channel, then Tcl_UnstackChannel  is	equivalent  to	Tcl_Close.   If  an  error  occurs
       unstacking the channel, TCL_ERROR is returned, otherwise TCL_OK is returned.

       Tcl_GetTopChannel returns the top channel in the stack of channels the supplied channel is part of.

       Tcl_GetStackedChannel returns the channel in the stack of channels which is just below the supplied channel.

SEE ALSO

       Notifier(3), Tcl_CreateChannel(3), Tcl_OpenFileChannel(3), vwait(n).

KEYWORDS

       channel, compression

Tcl									8.3						       Tcl_StackChannel(3)

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