06-23-2009
In order to accept your post I will now close the previous...
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1. UNIX for Dummies Questions & Answers
Hi,
I need to read a text file from shell script line by line and copy the feilds of each line.
Below is the complete requirement.
I've text file which contains ...
pgm1 file11 file12 file13
pgm2 file21 file22
pgm3 file31 file32 file33
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2. Shell Programming and Scripting
I have an issue where I need to append a value at the last of the csv, I have created a shell script and it is appending the columns at the last but it is appending at all lines, and my requirement is specific to just append at the 1st line.
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3. Shell Programming and Scripting
hello ,
plz help for below script req:-
how can we read a file line by line in shell script ? (4 Replies)
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4. Shell Programming and Scripting
Hi Folks,
I was given a task to append three IP's at the end of a specific (and unique) line within a file on multiple servers.
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5. Shell Programming and Scripting
Hi ,
I am trying to write an shell, which reads a text file (from a location) having a list of numbers of strictly 5 digits only ex: 33144
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6. Shell Programming and Scripting
Hi all
I have spent half a day trying to create a shell script which reads a configuration file on a line by line basis.
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7. Shell Programming and Scripting
I have a LOG file which looks like this
Import started at: Mon Jul 23 02:13:01 EDT 2012
Initialization completed in 2.146 seconds.
--------------------------------------------------------------------------------
--
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8. Shell Programming and Scripting
Hi All,
We have a file in the following format:
0.010000 $ ITI 11 LV2 $ 40456211 $
0.135000 $ ITI 11 LV1 $ 40512211 $
1.215600 $ ITI 11 ITI3 $ 41406211 $
24/05/2014 14:05:02
0.030000 $ ITI 11 LV2 $ 40456211 $
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9. Shell Programming and Scripting
Hi,
I had generated a report in my tool as followsoutput.txt
43.35
9
i needed the script to generate a new file like below
i want to append the text to each of these lines of my filenewoutputfile.txt should be
Total Amount : 43.35
Record Count:9
Regards,
Vasa Saikumar.
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10. Shell Programming and Scripting
i have a text file as belows, it includes 2 columns, 1st is the column name, 2nd is the file_name
data_file.txt
column_name file_name
col1 file1
col2 file2
col3 file1
col4 file1
col5 file2
now, i would like to... (4 Replies)
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close(n) Tcl Built-In Commands close(n)
__________________________________________________________________________________________________________________________________________________
NAME
close - Close an open channel.
SYNOPSIS
close channelId
_________________________________________________________________
DESCRIPTION
Closes the channel given by channelId. ChannelId must be a channel identifier such as the return value from a previous open or socket com-
mand. All buffered output is flushed to the channel's output device, any buffered input is discarded, the underlying file or device is
closed, and channelId becomes unavailable for use.
If the channel is blocking, the command does not return until all output is flushed. If the channel is nonblocking and there is unflushed |
output, the channel remains open and the command returns immediately; output will be flushed in the background and the channel will be |
closed when all the flushing is complete.
If channelId is a blocking channel for a command pipeline then close waits for the child processes to complete.
If the channel is shared between interpreters, then close makes channelId unavailable in the invoking interpreter but has no other effect |
until all of the sharing interpreters have closed the channel. When the last interpreter in which the channel is registered invokes close, |
the cleanup actions described above occur. See the interp command for a description of channel sharing. |
Channels are automatically closed when an interpreter is destroyed and when the process exits. Channels are switched to blocking mode, to |
ensure that all output is correctly flushed before the process exits.
The command returns an empty string, and may generate an error if an error occurs while flushing output.
SEE ALSO
file(n), open(n), socket(n), eof(n)
KEYWORDS
blocking, channel, close, nonblocking
Tcl 7.5 close(n)