I have a question to do and it's somewhat confusing. It says, and I quote
"Create a file called file_1 with three lines of text in it. Create a shell variable called "f_name", assign it the string "file_1". Use the cat command and the variable "f_name" to display the contents of the file... (3 Replies)
I am not able to read inside a while though i get the message "inside read" the cursor doesnt prompt from the console
cat file | while read ln_new_engine_dirs
do
echo "inside $ln_new_engine_dirs"
if
then
read nn
echo "inside read"
fi
done
Thanks in advance (3 Replies)
Hi,
How to add string inside the file. In this case adding 63 in the beginning of each line. Thnks.
e.g. what is inside the file
Mobile Number Portability
9051151234
9051261345
9051393245
9051412345
9051507654
should like this as output:
Mobile Number Portability (7 Replies)
Hi,
Im struggling with what chmod to change the permission of a file in the current directory named MyFile so the command "cat MyFile" fails to display the file.?? (10 Replies)
Hello...
I am trying to loop through my hosts file that contains 100+ servers to check or update the nameservers on them...
My while loop is breaking after the first server responds...
#!/bin/bash
while read line; do
a=( $(echo $line | tr " " "\n") )
if }" != "" ] && }" != "#" ] &&... (1 Reply)
Learning, stumbling! My progress in shell scripting is slow. Now I have this doubt:
I have the following file (users.txt):
AU0909,on
AU0309,off
AU0209,on
AU0109,off
And this file (userson.txt)
AU0909
AU0209
AU0109
AU0309
I just want to set those users on userson.txt to "off" in... (14 Replies)
Hi All,
When i use sort Test, here is the output:
$ sort Test
a
b
b
c
d
e
f
g
h
i
But the contents in the file remain unsorted, how to do that?
]$ cat Test
g
i (6 Replies)
Hi,
I have list of files present in a folder. I want to search for a particular keyword sequentially and create a file which will be later used by some other program.
Input files:
$ ls
a.dsx b.dsx c.dsx Dataline_.txt Dataline.txt loop.sh
$ cat *.dsx
help
tyiis
global
for i in... (4 Replies)
Discussion started by: mac4rfree
4 Replies
LEARN ABOUT SUNOS
noecho
echo(3XCURSES) X/Open Curses Library Functions echo(3XCURSES)NAME
echo, noecho - enable/disable terminal echo
SYNOPSIS
cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib
-R /usr/xpg4/lib -lcurses [ library... ]
c89 [ flag... ] file... -lcurses [ library... ]
#include <curses.h>
int echo(void);
int noecho(void);
DESCRIPTION
The echo() function enables Echo mode for the current screen. The noecho() function disables Echo mode for the current screen. Initially,
curses software echo mode is enabled and hardware echo mode of the tty driver is disabled. The echo() and noecho() functions control soft-
ware echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined.
RETURN VALUES
Upon successful completion, these functions return OK. Otherwise, they return ERR.
ERRORS
No errors are defined.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Interface Stability |Standard |
+-----------------------------+-----------------------------+
|MT-Level |Unsafe |
+-----------------------------+-----------------------------+
SEE ALSO getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5)SunOS 5.10 5 Jun 2002 echo(3XCURSES)