I have a file with multiple lines, lets say for example
magazine1
magazine2
magazine3
magazine3
magazine4
magazine5
So i am trying to find a way to find and delete the duplicate entries.
Any ideas?
Thanks (3 Replies)
I want to write a code that will look for a particular directory which is full or more than 95% used, and will search older file and delete it. My code looks like this:
df -k|while read f1 f2 f3 f4 f5 f6
do
if expr '$f5' -ge '95%' || continue
then
echo $f5
else
echo "there is no... (2 Replies)
hi , let's assume i have a file that is located in the l*** directory and this file's name is t****_***s.php , how can i find this file and delete it using one single command ????? (3 Replies)
Hi,
I need to find a word in a file, and I need to delete the file where the word resides on the file.
I did try with the grep -H "word" using the find command, but no luck. (6 Replies)
Hi All,
My main intension of is to convert the Hexstring stored in a char* into hex and then prefixing it with "0x" and suffix it with ','
This has to be done for all the hexstring char* is NULL.
Store the result prefixed with "0x" and suffixed with ',' in another char* and pass it to... (1 Reply)
Hi,
Is there really a difference between these two, std::hex and ios::hex??
I stumbled upon reading a line, "std::ios::hex is a bitmask (8 on gcc) and works with setf(). std::hex is the operator". Is this true?
Thanks (0 Replies)
Hi,
I have one requiremnet like this. I need to find some particular string (eg.IncludeDateTime = ) in a file. And wherever it finds the string the unix script has to delete the remaining text coming after the string (ie., 'IncludeDateTime = ' ) in the same line. I tried to write this script in... (5 Replies)
Hello All,
I have a directory containing of many .dat file, but with different naming conventions.
I want to delete files which are created before and on 10th September 2013.
I tried this command to see files which are are the files created before 10th September
find path/to/file -type... (6 Replies)
Hello,
we have process2(my_pro.sh) which check for the file Pr_rn_Chk (generated by other process1). The process runs every 15 min.
if exist Pr_rn_Chk the process will exit. Else it will continue.
I want to check if the file Pr_rn_Chk is older than 45 min delete the file. so that 4th run... (3 Replies)
I have a long string of hex (from ASN.1 data) where I need to find and change a particular hex value only and increment it. The hex pairs either side (84 and a7) of the value to increment will remain constant.
i.e. "84 <length> <value_to_increment> a7" starting with 00.
So end result:
... (11 Replies)
Discussion started by: securegooner
11 Replies
LEARN ABOUT OSX
column
COLUMN(1) BSD General Commands Manual COLUMN(1)NAME
column -- columnate lists
SYNOPSIS
column [-tx] [-c columns] [-s sep] [file ...]
DESCRIPTION
The column utility formats its input into multiple columns. Rows are filled before columns. Input is taken from file operands, or, by
default, from the standard input. Empty lines are ignored.
The options are as follows:
-c Output is formatted for a display columns wide.
-s Specify a set of characters to be used to delimit columns for the -t option.
-t Determine the number of columns the input contains and create a table. Columns are delimited with whitespace, by default, or with
the characters supplied using the -s option. Useful for pretty-printing displays.
-x Fill columns before filling rows.
ENVIRONMENT
The COLUMNS, LANG, LC_ALL and LC_CTYPE environment variables affect the execution of column as described in environ(7).
EXIT STATUS
The column utility exits 0 on success, and >0 if an error occurs.
EXAMPLES
(printf "PERM LINKS OWNER GROUP SIZE MONTH DAY " ;
printf "HH:MM/YEAR NAME
" ;
ls -l | sed 1d) | column -t
SEE ALSO colrm(1), ls(1), paste(1), sort(1)HISTORY
The column command appeared in 4.3BSD-Reno.
BUGS
Input lines are limited to LINE_MAX (2048) bytes in length.
BSD July 29, 2004 BSD