10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Ok, so I'm playing around with delimters and reading files. and I came across this behaviour that I thought was a bit odd, regarding how the set command takes values... If I run this: IFS=$'-' #Assigns the - as the default delimiter for bash set I-love-my-gf-a-lot #uses set to put a bunch of... (1 Reply)
Discussion started by: Lost in Cyberia
1 Replies
2. Shell Programming and Scripting
Hi ,
i am in my initial learning phase of unix. i was going thru the function part.
below is the example which was there but i am not able to understand logic and the use of IFS(internal field separator)
lspath() {
OLDIFS="$IFS"
IFS=:
for DIR in $PATH ; do echo $DIR ; done
IFS="$OLDIFS"... (8 Replies)
Discussion started by: scriptor
8 Replies
3. Shell Programming and Scripting
Hi,
while ; do
echo "Please enter "
read enter
yyyy=${enter:0:4}
mm=${enter:5:2}
dd=${enter:8:2}
result=`validateDate $yyyy $mm $dd`
When does the loop keeping repeating till?? till 1 is equal to 1?
what does this mean "${enter:0:4}" .The 0 and 4 part??
... (3 Replies)
Discussion started by: sid22
3 Replies
4. Shell Programming and Scripting
Whenever i execute the below scriptlet with out proper file name it deletes /tmp directory .
I guess this is because value of variable a didnt get initialized and there for rm -rf /tmp/ get executed and entire /tmp directory get deleted.
How would i avoid any empty variables to be used in... (9 Replies)
Discussion started by: pinga123
9 Replies
5. Shell Programming and Scripting
hi i am a learner
can some explain "export IFS=$(echo "\n\t\a")"
i am not able to understand the functionality
please help
thanks
Satya (1 Reply)
Discussion started by: Satyak
1 Replies
6. Shell Programming and Scripting
Hi,
I have modified the IFS variable in the K shell program and with in the program i want to reset to the default one. How do i reset the same.
e.g
in the begining of the program IFS is default
in the middle i changed it to
IFS="|"
and again i want the default value for the IFS.
... (2 Replies)
Discussion started by: vijaykrc
2 Replies
7. UNIX for Dummies Questions & Answers
Hi!
I am working in korn shell. I want to reset the dimiliter for the set command to "|" but instead of a command prompt return I am getting something as below
After issuing the command I am getting this....as if the shell is expecting something else. Can anybody suggest what's the problem.
... (2 Replies)
Discussion started by: udiptya
2 Replies
8. UNIX for Dummies Questions & Answers
How can I set the value for IFS variable (2 Replies)
Discussion started by: mahabunta
2 Replies
9. UNIX for Dummies Questions & Answers
Hi all,
Ok os heres my situation. I have created a database style program that stores a persons info (name,address,phone number etc.) in a file ("database"). after i read in all the values above, i assign them to a line variable:
line="$name^$address^$phonenum" >> phonebuk
as you can see... (1 Reply)
Discussion started by: djt0506
1 Replies
10. Shell Programming and Scripting
Hi,
I have a while read loop that reads files in a directory and process. The files have spaces in between, so I have the IFS=\n to to read the whole line as one file name.
The read works fine but I have a problem with another variable that I set in the beginning of the script. The variable... (1 Reply)
Discussion started by: pvar
1 Replies