You really should look a bit on google before posting here, you could have found your answer with a very simple google search.
In any case, in C this is an example of file io
the "w" is the open mode, open for writing. "r" would be open for reading.
fprintf works exactly like printf except you have the reference to the open file as the first argument.
To print your arrays I would recommend using for loops, \t is tab character \n is newline.
Good luck.
HI all,
If I have 3 lines in variables such as follows
x=Unix Forum
y=Interactive Forum
z=Unix Forum is Best Forum
Now I want to write these 3 lines in a file
so that that file will look like
Unix Forum
Interactive Forum
Unix Forum is Best Forum
How can I do it ? ... (4 Replies)
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)
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)