OMG awk is darn powerful ... i really should get deeper into it
Could someone kindly comment the code pls ?
1. do awk execute M[$1]=$7 before the checking condition $7>M[$1] ?
2. for(i in A)print A[i] i doesn't need to be initialized ? it automatically scan the A array ?
3. how does it know which [$1] index value to take to scan this array ?
Hi All,
I want to sort a flat file which will contain millions of records based on a key/field. For this I want to use unix sort command and before that I want to make sure that unix sort command has any file size limitations. And also please let me know whether I have to change any... (1 Reply)
Hi All,
I want to sort a flat file which will contain millions of records based on a key/field. For this I want to use unix sort command and before that I want to make sure that unix sort command has any file size limitations. And also please let me know whether I have to change any... (2 Replies)
I am converting mainframes JCL to be used in shell on a one to one basis... when i use the sort command unix does ascii sort as a result which numbers are first followed by charecters in the Ascending sort ... but themainframes uses the EBCDIC as result gives the charecters followed by numbers in... (5 Replies)
Hey guys.
I am trying to sort a file by account number through UNIX. I have a few things but it seems to sort by account number AND sort everything after the account number.
Help please.
Thanks (5 Replies)
I was trying to check for the sort of some columns (say 1-10) of particular file. Now, by default, the Unix sort uses as a separator whitespace (e.g. if you have 'foo bar' then it separates it into 'foo' and 'bar' to use as keys)
Now, I know which particular columns I want to use as the sort... (1 Reply)
Hi I am having some difficulties with the UNIX sort command.
I want to sort one a file that looks like this (file A):
tiger 5 6 3 5 2
bear 4 5 2 1 8
lions 9 2 5 3 1
dogs 8 5 3 3 1
acccording to a file that looks like this (file B):
dogs
lions
tiger
bear
So... (2 Replies)
Need some help with the sort command. I have a large file which needs sorted on the third field separated by : and within the third field, I need it sorted by second field or everything after the . An example of my file is here and for example, the first line I need :ROUTER2.SFLDMI: sorted on the... (2 Replies)
Hi i have a file like this
oprvdw vrc002093j.ksh
oprvdw vrc002092j.ksh
oprvrc vrc045016j.ksh
oprvrc vrc055141j.ksh
svemietl bdw0231185.sh
svemietl bdw0231145.sh
and i need a script which dispalys in below format:
oprvdw :
vrc002093j.ksh
vrc002092j.ksh
oprvrc :... (0 Replies)
Hi All,
I am trying to sort the below data using sort command.
temp.dat
H|S1-511091486889|27-Jul-2011 00:00:00
H|S1-511091486823|27-Jul-2011 00:00:00
H|S1-511091486757|27-Jul-2011 00:00:00
L|S1-511091486889|1
L|S1-511091486823|1
L|S1-511091486757|1
sort -t "|" -k2 -k1 temp.dat
My... (5 Replies)
Hi I have below pattern
A: Apple 2 B:Bolls 4 total_count = 6
A: pens 4 B:Bags 4 total count = 8
A: pens 4 B:Bags 4
A: cells 6
A: jobs 6
Output I need :
A: Apple 2 B:Bolls 4 total_count = 6
A: pens 4 B:Bags 4 total count = 8
A: cells 6
A: jobs 6
... (7 Replies)
Discussion started by: pkkanduk
7 Replies
LEARN ABOUT DEBIAN
igawk
IGAWK(1) Utility Commands IGAWK(1)NAME
igawk - gawk with include files
SYNOPSIS
igawk [ all gawk options ] -f program-file [ -- ] file ...
igawk [ all gawk options ] [ -- ] program-text file ...
DESCRIPTION
Igawk is a simple shell script that adds the ability to have ``include files'' to gawk(1).
AWK programs for igawk are the same as for gawk, except that, in addition, you may have lines like
@include getopt.awk
in your program to include the file getopt.awk from either the current directory or one of the other directories in the search path.
OPTIONS
See gawk(1) for a full description of the AWK language and the options that gawk supports.
EXAMPLES
cat << EOF > test.awk
@include getopt.awk
BEGIN {
while (getopt(ARGC, ARGV, "am:q") != -1)
...
}
EOF
igawk -f test.awk
SEE ALSO gawk(1)
Effective AWK Programming, Edition 1.0, published by the Free Software Foundation, 1995.
AUTHOR
Arnold Robbins (arnold@skeeve.com).
Free Software Foundation Nov 3 1999 IGAWK(1)