Hi!
All!
I am wirting a shell script in which i want to read one line
at a time from the file and write it simultaneouly to other file one line at a time.
Please let me know about some shell utility which can help me out.
Thanx.
If further clarifications are needed then please let me know... (2 Replies)
hi everybody,
i am working in device drivers.As a beginner to this field ,i dont know how to read or write device files. Will copy_to_user and copy_from_user help me?
I have created a device file using mknod command .Can anybody help me in this regard :confused
thanks in advance
sriram (1 Reply)
Hi
I need some help on SED command
I am writing a shell script which does the following:
1. Read one line at a time from a file abc.txt which has millions of lines
2. Prefix each line read with some text "
3. Post fix each line read with a quote "
4. Write the new modified... (11 Replies)
I need to find all the files that have group Read or Write permission or files that have user write permission.
This is what I have so far:
find . -exec ls -l {} \; | awk '/-...rw..w./ {print $1 " " $3 " " $4 " " $9}'
It shows me all files where group read = true, group write = true... (5 Replies)
Hi all,
I have a problem with some read/write functions.
I have a .bin file which contains a lot of structures as follows:
struct alumno
{
char id;
char apellido1;
char apellido2;
char nombre;
float nota1p;
float nota2p;
float notamedia;
char photofilename;
};
What I have... (3 Replies)
Hi,
We have smb client running on two of the linux boxes and smb server on another linux system. During a backup operation which uses smb, read of a file was allowed while write to the same file was going on.Also simultaneous writes to the same file were allowed.Following are the settings in the... (1 Reply)
Hi,
I have on Designdocument in that information is stored with in tabular format.I need Perlscript to read and write the datausing perl script?
Regards,
Ravi (0 Replies)
Hi,
I have on Designdocument in that information is stored with in tabular format.I need Perl/unix script to read and write the data
using perl script?
Regards,
Ravi (4 Replies)
Need help reading file last modified date in format:
Filename (relative path);YYYYMMDDHHMMSS
And then write it back. My idea is to backup it to a text file to restore later.
Checked this command but does not work:
Getting the Last Modification Timestamp of a File with Stat
$ stat -f... (5 Replies)
Dears.
kindly guide !!!
I have data, which is delimited by | .
it should contain 26 columns, but one column data contain | makes few row to 27 columns.
I want to find rows have 27 columns and then concatenate the specific columns to single column to make it 26 columns.
Kindly help, Can... (3 Replies)
Discussion started by: sadique.manzar
3 Replies
LEARN ABOUT OPENSOLARIS
echo
echo(1B) SunOS/BSD Compatibility Package Commands echo(1B)NAME
echo - echo arguments to standard output
SYNOPSIS
/usr/ucb/echo [-n] [argument]
DESCRIPTION
echo writes its arguments, separated by BLANKs and terminated by a NEWLINE, to the standard output.
echo is useful for producing diagnostics in command files and for sending known data into a pipe, and for displaying the contents of envi-
ronment variables.
For example, you can use echo to determine how many subdirectories below the root directory (/) is your current directory, as follows:
o echo your current-working-directory's full pathname
o pipe the output through tr to translate the path's embedded slash-characters into space-characters
o pipe that output through wc -w for a count of the names in your path.
example% /usr/bin/echo "echo $PWD | tr '/' ' ' | wc -w"
See tr(1) and wc(1) for their functionality.
The shells csh(1), ksh(1), and sh(1), each have an echo built-in command, which, by default, will have precedence, and will be invoked if
the user calls echo without a full pathname. /usr/ucb/echo and csh's echo() have an -n option, but do not understand back-slashed escape
characters. sh's echo(), ksh's echo(), and /usr/bin/echo, on the other hand, understand the black-slashed escape characters, and ksh's
echo() also understands a as the audible bell character; however, these commands do not have an -n option.
OPTIONS -n Do not add the NEWLINE to the output.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWscpu |
+-----------------------------+-----------------------------+
SEE ALSO csh(1), echo(1), ksh(1), sh(1), tr(1), wc(1), attributes(5)NOTES
The -n option is a transition aid for BSD applications, and may not be supported in future releases.
SunOS 5.11 3 Aug 1994 echo(1B)