9 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
i want to write a shell script read below file line by line and want to exclude the lines which contains empty value for MOUNTPOINT field.
i am using centos 7 Operating system.
want to read below file.
# cat /tmp/d5
NAME="/dev/sda" TYPE="disk" SIZE="60G" OWNER="root"... (4 Replies)
Discussion started by: balu1234
2. Shell Programming and Scripting
I want to read a live log file line by line and considering those line which start from time stamp;
Below code I am using, which read line but throws an exception when comparing line that does not contain error code
tail -F /logs/COMMON-ERROR.log | while read myline; do... (2 Replies)
Discussion started by: ketanraut
3. Shell Programming and Scripting
i have a scenario were i should compare a few fields from each line then increment a variable based on that.
i have 3 conditions to check and increment a variable on every line
condition 1 if ( $3... (4 Replies)
Discussion started by: selvankj
4. Shell Programming and Scripting
I need some help. I would like to read in a text file.
Take a variable such as ROW-D-01, compare it to what's in one line in the text file such as PROD/VM/ROW-D-01 and only input PROD/VM into a variable without the /ROW-D-01.
Is this possible? any help is appreciated. (2 Replies)
Discussion started by: xChristopher
5. UNIX for Dummies Questions & Answers
So, the beginning of my script will cat & grep a file with the output directed to a new file. The data I have in this file needs to be parsed, read and evaluated.
Basically, I need to identify the latest date/time stamp and then calculate whether or not it is within 15 minutes of the current... (1 Reply)
Discussion started by: hynesward
6. Shell Programming and Scripting
So, I want to read line-by-line a text file with unknown number of files....
while ; do
b=`sed -n '$ap' test`
a=`expr $a + 1`
$here do something with b etc
the problem is that sed does not seem to recognise the $a, even when trying
sed -n ' $a p'
So, I cannot read... (3 Replies)
Discussion started by: hakermania
7. Shell Programming and Scripting
I have a file something like:
a     b c    d
sdfsdf    f f   f
Now when i read it as
while read line
I get the o/p as
a b c d
sdfsdf f f f
dfdf (5 Replies)
Discussion started by: Shivdatta
8. Shell Programming and Scripting
I have a file that contains data in this format:-
value1 value2 value3
value4 value5 value6 value7
I need to read value1, value2 and value3 into one array, value4 value5 value6 and value7 into another array and value8 and value9 into a 3rd... (2 Replies)
Discussion started by: sniper57
9. Shell Programming and Scripting
I am a beginner in shell scripting. I have written the following script, which is supposed to process the while loop for each line in the sid_home.txt file. But I'm getting the 'end of file' unexpected for the last line. The file sid_home.txt gets generated as expected, but the script... (6 Replies)
Discussion started by: sagarparadkar