Put the entire regular expression within the quotes:
Also, it would be more readable and probably make the program run slightly faster if you use "/" instead of quotes to delimit regular expressions that are constant. Then you don't have to escape the "\" because the expression is not scanned twice:
Hi All.
I have the following simple shell program.
It reads a number from the "/user/amit/bldno";
for example: file "bldno" contains value "100"
After execution of the program the content should change to 101.
---------
#!/usr/bin/tcsh
V= `cat /user/amit/bldno`
echo $V
`rm -rf ... (1 Reply)
if test -z "$1"
then echo "you must give a filename or filepath"
else path=`dirname $1`
f_name =`basename $1`
if path="."
then path=`pwd`
fi
fi
cat $f_name $path >> index.txt
The only problem I am encountering with this is writing $path to index.txt
Keeps going gaga:
cat:... (1 Reply)
Hi All
I am new to C and trying to write a code to get a file as an output.
My text file should look like:
<var1>tab<var2>tab<var3>...upto the elements in an array
<varb1>tab<varb2>tab<varb3>...upto the elements in an array
Can someone please guide me how to write the code or a sample... (3 Replies)
Need to develop a unix shell script for the below requirement and I need your assistance:
1) search for file.log and file.bad file in a directory and read them
2) pull out "Load_Start_Time", "Data_File_Name", "Error_Type" from log file
4) concatinate each row from bad file as... (3 Replies)
Help needed...
Can you tell me how to compare the last two couple entries in a file and print their result in new file..:confused:
I have one file
Check1.txt
\abc1 12345
\abc2 12327
\abc1 12345
\abc2 12330
I want to compare the entries in Check1 and write to... (1 Reply)
I am looking to do a ls on a folder and have the output of the ls be structured so that is is modificaiton date, file name with the date in a format that is compatible with mysql. I am trying to build a table that stores the last modification date of certain files so I can display it on some web... (4 Replies)
Hi
I am trying to extract information out of a file but keep getting grep cant open errors
the code is below:
#bash
#extract orders with blank address details
#
# obtain the current date
# set today to the current date ccyymmdd format
today=`date +%c%m%d | cut -c24-31`
echo... (8 Replies)
Hi All,
We have a Unix program in oracle when we run the program this connects to specified ftp and will get the file into local server.
We are facing a problem like when file writing operations is not completed, this program is getting the incomplete file.
Could anyone please help me... (2 Replies)
Hi,
I have 1000 files names data1.txt through data1000.txt inside a folder. I want to write a script that will take each first line from the files and write them as output into a new file. How do I go about doing that? Thanks! (2 Replies)
Hello ,
I have comma delimited file with over 20 fileds that i need to do some validations on. I have to check if certain fields are null and then write the line containing the null field into a new file and then delete the line from the current file.
Can someone tell me how i could go... (2 Replies)
Discussion started by: goddevil
2 Replies
LEARN ABOUT REDHAT
split
SPLIT(1) FSF SPLIT(1)NAME
split - split a file into pieces
SYNOPSIS
split [OPTION] [INPUT [PREFIX]]
DESCRIPTION
Output fixed-size pieces of INPUT to PREFIXaa, PREFIXab, ...; default PREFIX is `x'. With no INPUT, or when INPUT is -, read standard
input.
Mandatory arguments to long options are mandatory for short options too.
-a, --suffix-length=N
use suffixes of length N (default 2)
-b, --bytes=SIZE
put SIZE bytes per output file
-C, --line-bytes=SIZE
put at most SIZE bytes of lines per output file
-l, --lines=NUMBER
put NUMBER lines per output file
--verbose
print a diagnostic to standard error just before each output file is opened
--help display this help and exit
--version
output version information and exit
SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg.
AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
The full documentation for split is maintained as a Texinfo manual. If the info and split programs are properly installed at your site,
the command
info split
should give you access to the complete manual.
split (coreutils) 4.5.3 February 2003 SPLIT(1)