|
|
Sponsored Content
Top Forums
Shell Programming and Scripting
Treat Command Output as a File
Post 302919378 by aimy on Tuesday 30th of September 2014 11:51:21 PM
10-01-2014
Quote:
Thanks for your info.
But I just read somewhere that it is due to posix limited environment.
How do I check if my system supports it or not?
Because I think it's really cool if I could use my script that way.
Thanks.
---------- Post updated at 11:48 AM ---------- Previous update was at 11:40 AM ----------
I am using Bourne shell I guess.
Code:
$ ps PID TTY TIME COMMAND 1114 pts/te 0:00 telnetd 1115 pts/te 0:00 sh 10318 pts/te 0:00 ps
Thanks.
---------- Post updated at 11:51 AM ---------- Previous update was at 11:48 AM ----------
I can use
Code:
grep -vxFf complete.list $(cut -c 1-25 source.list)
|
|
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Is there anyway to get awk to treat multiple delimiters as one? Particularly spaces... (6 Replies)
Discussion started by: peter.herlihy
6 Replies
2. UNIX for Dummies Questions & Answers
How would I echo the same results to two files? One is a running log, and the other is a cache, or sort.
echo "Hello World" >> /Logs/File1 & /tmp/file2
I would just copy it from one place to the other, but the Log keeps history, where I want the /tmp to hold only stuff per session. I tried... (2 Replies)
Discussion started by: TheCrunge
2 Replies
3. UNIX for Dummies Questions & Answers
Hi folks,
Please advise which command/command line shall I run;
1) to display the command and its output on console
2) simultaneous to save the command and its output on a file
I tried tee command as follows;
$ ps aux | grep mysql | tee /path/to/output.txt
It displayed the... (7 Replies)
Discussion started by: satimis
7 Replies
4. Shell Programming and Scripting
Hi
We are having a requirement where one shell script, say a.sh (which uses Java and connects to Oracle database using JDBC) keeps on running everytime. I created a wrapper (to check whether a.sh is running and if not then to start it) and scheduled it in the crontab. Now all the output from... (3 Replies)
Discussion started by: ankitgoel
3 Replies
5. UNIX for Dummies Questions & Answers
Hi
I am trying to get the output of ls into a file with names seaparated with comma and no spaces.
Here is the content of my dir:
ls
file1 file2 file3 file4this is what I tried:
ls -m > list.txtthe file 'list.txt' looks like:
file1, file2, file3, file4, list.txtI... (25 Replies)
Discussion started by: jdhahbi
25 Replies
6. Shell Programming and Scripting
Dear Master.
Help me to command to out put.
Ex log.
"<?xml version=""1.0"" encoding=""UTF-10"" ?><anova-test-bom>
<txid>17251032659</txid>
<authentication>
<user>admin</user>
<password>Amrduoi</password>
</authentication>
<destination>
<msisdn>1111111</msisdn>
... (2 Replies)
Discussion started by: ooilinlove
2 Replies
7. Shell Programming and Scripting
hi ,
i am using iostat -nmzx 1 | awk '{ print $4 }' command to get the i/o rates of disks.
but i want command output in a file , how can i capture , this is some what difficult because command output is keep on changing , any way i have to get total output of the command .
please help me .... (1 Reply)
Discussion started by: shankr3
1 Replies
8. Shell Programming and Scripting
Hi,
I could use some help with a program that examines a log file.
It should output the duration of the steps in minutes.
My problem is that there is no end of a step given, only the begin of a next step.
Actually the problem is that this line comes 3 times, but marks 3 different events:
... (6 Replies)
Discussion started by: ejdv
6 Replies
9. Red Hat
I ran the following command.
cat abc.c > abc.c
I got message the following message from command cat:
cat: abc.c : input file is same as the output file
How the command came to know of the destination file name as the command is sending output to standard file. (3 Replies)
Discussion started by: ravisingh
3 Replies
10. Shell Programming and Scripting
I am using UNIX to create a script on our system. I have setup my commands to append their output to an outage file. However, some of the commands return no output and so I would like something to take their place.
What I need
The following command is placed at the prompt:
TICLI... (4 Replies)
Discussion started by: jbrass
4 Replies
LEARN ABOUT REDHAT
split
SPLIT(1) FSF SPLIT(1) NAME
split - split a file into pieces SYNOPSIS
split [OPTION] [INPUT [PREFIX]] DESCRIPTION
Output fixed-size pieces of INPUT to PREFIXaa, PREFIXab, ...; default PREFIX is `x'. With no INPUT, or when INPUT is -, read standard input. Mandatory arguments to long options are mandatory for short options too. -a, --suffix-length=N use suffixes of length N (default 2) -b, --bytes=SIZE put SIZE bytes per output file -C, --line-bytes=SIZE put at most SIZE bytes of lines per output file -l, --lines=NUMBER put NUMBER lines per output file --verbose print a diagnostic to standard error just before each output file is opened --help display this help and exit --version output version information and exit SIZE may have a multiplier suffix: b for 512, k for 1K, m for 1 Meg. AUTHOR
Written by Torbjorn Granlund and Richard M. Stallman. REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>. COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. SEE ALSO
The full documentation for split is maintained as a Texinfo manual. If the info and split programs are properly installed at your site, the command info split should give you access to the complete manual. split (coreutils) 4.5.3 February 2003 SPLIT(1)