Hmmm, may I object? Actually, bash also CAN "run the last segment of a pipeline in the current shell execution environment". man bash:
Quote:
shopt [-pqsu] [-o] [optname ...] lastpipe
If set, and job control is not active, the shell runs the last command of a pipeline not executed in the background in the current shell environment.
Hello guys.
In my script, i have the following code:
echo "The tarfile contains these directorys"
tar -tf file.tar > tarlist.txt
cat tarlist | awk -F/ '{print $1 "/" $2}' | nl
echo "Enter path of the directory you want to extract or just press enter to extract everything: "
read path... (1 Reply)
HI ,
I have to check the values of variable is blank or not.
exm :
###test
test1
var=`cate filename | head -1 | cut -c1-3`
I need to check the first three character of 1st line . if it is blank .then exit or we need to process .
Thanks in advance . (2 Replies)
I am testing a ksh script for email.
In the subject/content of the mail there is some dynamic variables like date and charges.
However these variables occupied the entire line erase other in that particular line
For e.g. there is a mail message:
This mail is intent...
Your total... (2 Replies)
Hi,
I am trying to execute a bunch of piped command which are stored in a variable, but only one command executed at a time, and rest of the pipes, commands and their arguments are considered as argument to the very first command.
Can you please help me in this?
bash-2.05$ cat test.sh... (1 Reply)
Hello everyone!
I am having an issue with a script I am trying to create.
I have an input file (named sort_$1.txt) like:
aaaa
bbbb
cccc
dddd
eeee
and I process it with the following code:
while read -r EachLine2
do (11 Replies)
Hi,
i am having one text file it contains some blank lines and i want to ignore that blank lines .
#! /bin/bash
clear
rdCount=0;
while read myline
do
echo $myline
let rdCount=$rdCount+1
done < ps.txt
echo "Total line=$rdCount"
and ps .txt contains the data- (17 Replies)
Hello, could you please help with this one. I have an input file like this:
123,4567,89000
123456789,9876543,12
and for the output I need strings to be with the fixed length, let's say 15, and if the string is -lt 15 to be populated with blanks at the end until it reach 15, like this:
123 ,4567... (1 Reply)
Hello All,
Maybe I'm Missing something here but I have NOOO idea what the heck is going on with this....?
I have a Variable that contains a PATTERN of what I'm considering "Illegal Characters". So what I'm doing is looping
through a string containing some of these "Illegal Characters". Now... (5 Replies)
Hi All,
I have a file which has hundred of records with fixed number of fields. In each record there is set of 8 characters which represent the duration of that activity. I want to sum up the duration present in all the records for a report. The problem is the duration changes per record so I... (5 Replies)
Hi,
I would like use the output of my cut command as a variable in my following awk command. Here's what I've written.
cut -f1 info.txt | awk -v i=xargs -F'' '{if($6 == $i) print $20}' summary.txt
Where obviously the 'xargs' doesn't do what I want. How can I pass my cut result to my awk... (3 Replies)