Full Discussion: printf
Top Forums Shell Programming and Scripting printf Post 302160921 by thana on Wednesday 23rd of January 2008 05:50:32 AM
echo a|awk '{ for(i=1;i<=10;i++) {var=""; for (j=1;j<=i;j++) {var=var"A"} for(k=j;k<=10;k++){var=var"."; }print var"ok"; } }'


Please tell me the meaning of "echo a" here
Test Your Knowledge in Computers #356
Difficulty: Medium
ibfawk is a very small, function-only, reentrant, embeddable interpreter written in PHP.
True or False?

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

printf question

can you take input from another command and do printf? such as awk '{print $2,$1}' | sort -k1,1 -k2,2 | printf "%-10s,%15s" this does not work.. but there must be a way.. please help me.. thank you. (3 Replies)
Discussion started by: hankooknara
3 Replies

2. Programming


What is the output of the following program considering an x86 based parameter passing sequence where stack grows towards lower memory addresses and that arguments are evaluated from right to left: int i=10; int f1() { static int i = 15; printf("f1:%d ", i); return i--; } main() {... (2 Replies)
Discussion started by: arunviswanath
2 Replies

3. Shell Programming and Scripting

printf in awk

Hi friends.. I am confused about awk printf option.. I have a comma separated file 88562848,21-JAN-08,2741079, -1188,-7433,TESTING 88558314,21-JAN-08,2741189, -1273,-7976,TESTING and there is a line in my script ( written by someone else) What is the use of command? I guess... (10 Replies)
Discussion started by: clx
10 Replies

4. UNIX for Dummies Questions & Answers

Need help with printf

Hi, I have just completed my first script (:D) and now i just need to format it with printf. This is what I have: #!/bin/ksh TOTB=0 TOTF=0 TOTI=0 HOST=`hostname` echo " FSYSTEM BLKS FREE INUSE MOUNTEDON" df -m | grep -v ":"|grep -v Free|grep -v "/proc"| while read FSYSTEM... (2 Replies)
Discussion started by: compan023
2 Replies

5. Shell Programming and Scripting

Printf problem

I am having a major problem with printf, The more I pad it, the less I see :( The problem is in the first function, report Am I ruining output somewhere? I wont print out the names propely, it cuts them off or deletes them completely :( #!/bin/bash report() { printf "%-10s" STUD# ... (2 Replies)
Discussion started by: L0ckz0r
2 Replies

6. Shell Programming and Scripting

awk with printf

Hi, I am using the following code to assign a count value to a variable. But I get nothing. Do you see anything wrong here. I am new to all this. $CTR=`remsh $m -l $MACHINES{$m} -n cat $output | grep -v sent | grep \"$input\" | sort -u | awk '{print $5}'`; Upto sort - u it's... (2 Replies)
Discussion started by: nurani
2 Replies

7. Shell Programming and Scripting

find + printf help

Hi, I have a scripting assignment for an intro to linux class and I'm really confused about how to do something seemingly simple. I am supposed to Print the name of each file in the /data/dir16/subdir1 directory in the following format: "My name is: bin" The desired output example looks like:... (1 Reply)
Discussion started by: danschmidt
1 Replies

8. UNIX for Dummies Questions & Answers

Qsub and printf

Hello, I have some issue with qsub and the standard output : I launch a script that "echoes" the string "abc" and then executes a C program in which I print informations with the printf function ; the .o file contains "abc" but not the information displayed by printf. I also tried... (0 Replies)
Discussion started by: Shaderw
0 Replies

9. Shell Programming and Scripting

Printf statement

The printf statement pay_amount=$(printf "%013.3f" "$4") working perfectly at one path(xxx/home/rsh) and showing error (printf: 216.000: invalid number) at another path(/opt/xxxx/xxxx). what will be the reason? thanks in advance (4 Replies)
Discussion started by: reeta_shri
4 Replies

10. Programming

printf quirk

Hi, Could anyone explain me the logic behind the following program's output? int main() { printf("%d\n", printf("%d %d", 2, 2) & printf("%d %d", 2, 2)); printf("%d\n", printf("%d %d\n", 2, 2) & printf("%d %d\n", 2, 2)); } Ans: 2 22 23 2 2 2 2 4 (2 Replies)
Discussion started by: royalibrahim
2 Replies
echo(3XCURSES)						  X/Open Curses Library Functions					    echo(3XCURSES)

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 5.11 5 Jun 2002 echo(3XCURSES)

Featured Tech Videos

All times are GMT -4. The time now is 08:48 PM.
Unix & Linux Forums Content Copyright 1993-2020. All Rights Reserved.
Privacy Policy