Hello,
I need to truncate a large file without deleting and touching it again.
i tried the below commands but no use because of the huge file size
cat <<! > errors
and
echo > errors
Could someone please help.
Thanks,
Sateesh (1 Reply)
I have one file which first line is blank and second line has some data.
$cat filename
output:
30-MAY-07
I want to store 30-MAY-07 value in one variable.
for that I wrote
var="`head -2 filename`"
It will give that result but I want to truncate the first line which is blank.
plz help. (2 Replies)
I am trying to concatenate 2 files, but before concatenation, I would like to strip off the final character from the first file.
The final character is a form feed (ascii 012 / hex 0C) and there will be an unknown number of these characters in the file. It is only the very last one which I want... (1 Reply)
Hi,
I have a file with the following structure.
XXXXX...........
YYYYY...........
.................
..................
ZZZZZZ......
qwerty_start..............
..................
.................
..................
querty_end................
.............................. (3 Replies)
this is Korn shell unix.
The scenario is I have a pipe delimited text file which needs to be customized. say for example,I have a pipe delimited text file with 15 columns(| delimited) and 200 rows. currently the 11th and 12th column has null values for all the records(there are other null columns... (4 Replies)
Hi All. Thanks for your help in advance.
I have a requirement to examine the number of delimiters in each record of a file. If the record has the expected number of delimiters it should be passed into a 'good' file. If it does not, the record should be passed into a 'bad' file. I have been able... (8 Replies)
I need to write a script to search a static file (file1) in the form
Name Email
tim tfxo@gmail.com
bob bob@sss.com
and then mail them another file (file2) that is input from the command line.
The command line would be:
script.awk who file2 subject
and the result would be
mail -s subject who... (2 Replies)
Hello all,
quick question:
is it possible to pass input into AWK BOTH with a pipe AND a file at the same time, something like this:
command .......|awk '.................' FILEIN > fileout
All I read says either one or the other, not both, is it at all possible?
And how would the... (2 Replies)
Hi guys,
I need to know how i can ignore Pipe '|' if Pipe is coming as a column in Pipe delimited file
for eg:
file 1:
xx|yy|"xyz|zzz"|zzz|12...
using below awk command
awk 'BEGIN {FS=OFS="|" } print $3
i would get xyz
But i want as :
xyz|zzz to consider as whole column... (13 Replies)
Hello,
I need to split a pipe de-limited file based on the COLUMN 7 value . If the column value changes I need to split the file
Source File
Payment|ID|DATE|TIME|CONTROLNUMBER|NUMBER|NAME|INDICATOR
42156974|1137937|10/1/2018|104440|4232|2054391|CARE|1... (9 Replies)