Hi All,
I have following piece of code in UNIX C Shell script and I want to add one more command which can add newline at the end of file only if there is no newline character exists.
foreach file (`ls $dd_PLAYCARD_EDI_IN`)
if ( -f $dd_PLAYCARD_EDI_IN/${file} ) then
cat -n "$dd_PLAYCARD_EDI_IN/${file}" | \
perl -p -e "s/\x0d\x0a/\x0a/" | \
sed -e 's/00000000$/22991231/' | \
sort -k1.18,1.29 > $DATADIR/playcard/$file
Above "for loop" retrive the file from a directory then "cat" on each file to add line number, "perl" to remove ^M (control M) characters from the end of each line, "sed" will replace last 8 zeros with 22991231 and finally sort will sort the file. After "perl" command I want to add command which can add newline character at the end of file if it do not exists.
Please suggest.
Thanks!
hi all, i have this question: How to add new line character at the end of a file????
i need this because i am loading a file to sybase and i have problems with the last record
thanks for your help (5 Replies)
Hi All,
Is there any way to append a newline character at the end of a file(coma-separated file), through shell script?
I need to check whether newline character exists at the end of a file, if it does not then append it.
Regards,
Krishna (1 Reply)
Hi All,
I have named a file with current date,time and year as follows:
month=`date | awk '{print $2}'`
date=`date | awk '{print $3}'`
year=`date | awk '{print $6}'`
time=`date +%Hh_%Mm_%Ss'`
filename="test_"$month"_"$date"_"$year"_"$time".txt"
> $filename
The file is created with a... (2 Replies)
hi all
i have 32 lines in file. the length of each line is 82 , i want that in the end of each line , means in postion 83-84 to put two characters 0d(=\015), 0a(=\012)
i want that the 0d will be in postion 83
and the 0a will be in postion 84
in each line of the file
how shall i do it ?
... (7 Replies)
Hi All
I have a file which conatins record.the length of every records is 47.
problem : in the end of record i don't have a "\015" character.
i want to add this "\015" charcter in the end of every record.
the file contains something like 700 records.
i've tried with sed command - nothing.
... (8 Replies)
So I have a file that contains
>NM_#########AUGCAUCGUAGCUAGUCGAUACUGGACUG>NM_########AUGAGUAUGUAUGAUGUAUGUAUGA
where # is any digit 0-9 (the text is many repetitions of the pattern above, not just that, but all in one line), and I want it to show
>NM_#########... (2 Replies)
Hi Gurus,
Need help. I'm a beginner in Unix. I have a requirement, need to add or append newline (\n) character in file.
Sample Data:
1|Main|Test|~#
2|Main|Hello|~#
3|Main|Unix|~#
4|Main|File|~#Output:
1|Main|Test|~#
2|Main|Hello|~#
3|Main|Unix|~#
4|Main|File|~#\n -- append only... (13 Replies)
Hi,
I am trying to sort a csv file which has say 10 lines each line having a row size that is upto 30183 no. of COLUMNS (Row length = 30183). There is a LINE FEED (LF) at the end of each line. When I try to sort this file say, based on the second FIELD using the below command,
sort -t ',' +1... (5 Replies)
Hello all,
I have maybe a simple Problem - but I do not know to handle it.
All what I want, is to write a line to file without a newline at the end. It works with "echo -n" for all lines, but not for the last one. At the end of the file is always a "0a" (hex)
My small script:
... (10 Replies)
I have a file which comes every day and the file data look's as below.
Vi abc.txt
a|b|c|d\n
a|g|h|j\n
Some times we receive the file with only a new line character in the file like
vi abc.txt
\n (8 Replies)
Discussion started by: rak Kundra
8 Replies
LEARN ABOUT ULTRIX
cat
cat(1) General Commands Manual cat(1)Name
cat - concatenate and print data
Syntax
cat [ -b ] [ -e ] [ -n ] [ -s ] [ -t ] [ -u ] [ -v ] file...
Description
The command reads each file in sequence and displays it on the standard output. Therefore, to display the file on the standard output you
type:
cat file
To concatenate two files and place the result on the third you type:
cat file1 file2 > file3
To concatenate two files and append them to a third you type:
cat file1 file2 >> file3
If no input file is given, or if a minus sign (-) is encountered as an argument, reads from the standard input file. Output is buffered in
1024-byte blocks unless the standard output is a terminal, in which case it is line buffered. The utility supports the processing of 8-bit
characters.
Options-b Ignores blank lines and precedes each output line with its line number.
-e Displays a dollar sign ($) at the end of each output line.
-n Precedes all output lines (including blank lines) with line numbers.
-s Squeezes adjacent blank lines from output and single spaces output.
-t Displays non-printing characters (including tabs) in output. In addition to those representations used with the -v option, all tab
characters are displayed as ^I.
-u Unbuffers output.
-v Displays non-printing characters (excluding tabs and newline) as the ^x. If the character is in the range octal 0177 to octal 0241,
it is displayed as M-x. The delete character (octal 0177) displays as ^?. For example, is displayed as ^X.
See Alsocp(1), ex(1), more(1), pr(1), tail(1)cat(1)