10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi guys,
I need to know how i can ignore Pipe '|' if Pipe is coming as a column in Pipe delimited file
for eg:
file 1:
xx|yy|"xyz|zzz"|zzz|12...
using below awk command
awk 'BEGIN {FS=OFS="|" } print $3
i would get xyz
But i want as :
xyz|zzz to consider as whole column... (13 Replies)
Discussion started by: rohit_shinez
13 Replies
2. Shell Programming and Scripting
Hi all,
I would like to use properly an input pipe, like this :
cat myFile.txt | myCommand.shI always find this solution :
while read line; do ...; donebut I have a great lost of performance !
On a big file, with a simple grep, I can spend 2400 times more time ! oO
(from 0,023sec to 1m)... (4 Replies)
Discussion started by: LeNouveau
4 Replies
3. Programming
Hi guys.
I've a problem with pipes, I'm trying to make a program that can create a child process and they must generate the folowing output:
Ping ... Pong
Ping ... Pong
Ping ... Pong
I want syncronize the output whithout using the semephores, can anyone help me?
Thanks in advance.
/**
*... (1 Reply)
Discussion started by: pharaoh
1 Replies
4. Shell Programming and Scripting
I want to do the following in perl:
print $output | grep ' something' | awk '{print $2}';
I know there is system(); but it does not behave the way I was expecting it in perl. (2 Replies)
Discussion started by: streetfighter2
2 Replies
5. Shell Programming and Scripting
Hi All ,
Is there any way to replace the pipe ( | ) with the broken pipe (0xA6) in unix (1 Reply)
Discussion started by: saj
1 Replies
6. Shell Programming and Scripting
Hi, guys:
I am working on my shell using c. How can I use pipe to implement the following?
ls -l 1>> | grep hellp 1<< 2>> | less 2<<
(the output of ls goes to grep, and the output of grep goes to less)
Thanks
Please use and tags when posting code, data or logs etc. to preserve... (1 Reply)
Discussion started by: tomlee
1 Replies
7. Programming
hi guys, o have a big error
in this program but i cant solve
someone ?!
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
int main(int argc, char *argv){
int cont = 2, posicao;
char geraArquivo= "|cat>>", espaco=" ";
char nomeArquivo, comando,... (11 Replies)
Discussion started by: beandj
11 Replies
8. UNIX for Dummies Questions & Answers
Hi
I tried to open the man page of sh and piped to `pg`. Normally while reading a file page by page using `pg`, if we wanna quit at the middle of file, we give "q" near the colon mode.
Ex1: $cat file1 | pg
hi
how
r
u
: (page1) now press "return key", it will go to next page
yes
i ... (3 Replies)
Discussion started by: ramkrix
3 Replies
9. UNIX for Advanced & Expert Users
Hi
I tried to open the man page of sh and piped to `pg`. Normally while reading a file page by page using `pg`, if we wanna quit at the middle of file, we give "q" near the colon mode.
Ex1: $cat file1 | pg
hi
how
r
u
: (page1) now press "return key", it will go to next page
yes
i ... (1 Reply)
Discussion started by: ramkrix
1 Replies
10. Shell Programming and Scripting
how do you pipe the results to next statement as argument?
somecommand | grep $result somefile
how do you reference $result with?? (12 Replies)
Discussion started by: convenientstore
12 Replies