10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Hello,
I need to split a file by number of records and rename each split file with actual filename pre-pended with 3 digit split number.
What I have tried is the below command with 2 digit numeric value
split -l 3 -d abc.txt F (# Will Produce split Files as F00 F01 F02)
How to produce... (19 Replies)
Discussion started by: techedipro
19 Replies
2. Shell Programming and Scripting
I have code like
var="1"
echo << EOF
export `var="2"`
EOF
echo $var
The value of var is printed here is 1 but it should be 2
Any error there?
---------- Post updated at 11:44 AM ---------- Previous update was at 10:33 AM ----------
Also tried
var="1"
echo var << EOF
echo... (1 Reply)
Discussion started by: adisky123
1 Replies
3. Shell Programming and Scripting
Hello;
I have a file consists of 4 columns separated by tab. The problem is the third fields. Some of the them are very long but can be split by the vertical bar "|". Also some of them do not contain the string "UniProt", but I could ignore it at this moment, and sort the file afterwards. Here is... (5 Replies)
Discussion started by: yifangt
5 Replies
4. Shell Programming and Scripting
Can we use a here document inside a here document?
Something like this
ssh user@remotehost << REMOTE
sudo vserver vsernamename enter << VSERVER
perform actions on vserver.
VSERVER
REMOTE (6 Replies)
Discussion started by: mnanavati
6 Replies
5. Shell Programming and Scripting
Here is my problem: can we set the variables in the HERE DOCUMENT? I have tried but failed. Any one has good comments please let me know.
#!/bin/csh -f
pbrun -u xmgbrk runshell <<!
@ $num1 = `wc -l /home/tpltp/csh/scripts/who.csh`
echo "$num1"
if ( $num1 > 0 ) then
echo $num1 | tee -a... (1 Reply)
Discussion started by: tpltp
1 Replies
6. Shell Programming and Scripting
Plz can somebody give me the shell and perl scripting documents,i need to start the scrpts learning.now i know about the linux commands,but need help in putting the same in the scripting with do,if,while and also using diffrent commands in the scrpipts,pls help.. (3 Replies)
Discussion started by: satish.res
3 Replies
7. Shell Programming and Scripting
Hi :)
how can I use here doc to use ssh?
I am facing a problem with the below script:
#!/bin/bash
ssh hosein@localhost << *
123456
*
"123456" is my password
Thanks (2 Replies)
Discussion started by: htabesh
2 Replies
8. UNIX for Dummies Questions & Answers
I have gone through all the threads in the forum and tested out different things. I am trying to split a 3GB file into multiple files. Some files are even larger than this.
For example:
split -l 3000000 filename.txt
This is very slow and it splits the file with 3 million records in each... (10 Replies)
Discussion started by: madhunk
10 Replies
9. Shell Programming and Scripting
Hello,
I want to know the use of the here document with the << operator.
Tried to go through some books but the concept was not clear.
Please can any1 expalin me this with a simple example.
Thanks,
Rahul. (6 Replies)
Discussion started by: rahulrathod
6 Replies
10. UNIX for Dummies Questions & Answers
I understand that a Here Document will redirect all of the lines between the beginning marker for the here document and the ending marker into the command specified just as if the text were coming from standard input.
I am trying to understand the Here Document with this example:
# Menu file... (3 Replies)
Discussion started by: ericelysia
3 Replies