It sets an array element with index $0 to the value 1. In the second part, if checks if for $4 in the second file there is an array element with a value other than 0 or "" and if so, it does not print the record.
Another (slightly better) way of doing it would be:
Code:
awk -F, 'NR==FNR{A[$0]; next}!($4 in A)' exclude infile
this way is really more clear, understandable for me Scrutinizer, thanks!
Corona so its a lazy (or shorter) way of using variables
Hi what is the purpose of using underscore in awk. I suppose it is for defining macro's and reducing repeatation but can some one show me an example? (6 Replies)
trying to remove the portion in red:
Data:
mds_ar/bin/uedw92wp.ksh: $AI_SQL/wkly.sql
mds_ar/bin/uedw92wp.ksh: $EDW_TMP/wkly.sql
output to be:
mds_ar/bin/uedw92wp.ksh: wkly.sql
mds_ar/bin/uedw92wp.ksh: wkly.sql
SED i'm trying to use:
sed 's/:+\//: /g' input_file.dat >... (11 Replies)
If I call my function with grouped options: "logm -TDIWEFO 'message' ", then only the "T" gets parsed correctly. The subsequent values returned have underscores prefixed to the value: "_D", "_I", etc. If I "logm -T -DIWEFO 'message' ", the "T" and the "D" are OK, but "I" through "O" get the... (2 Replies)
I must design a UNIX script to monitor files whose size is over a threshold of 5 MB in a specific UNIX directory
I meet a problem during the for loop in my script. Some file names contain spaces.
ls -lrt | awk '$5>=5000000 && length($8)==5 {gsub(/ /,"_",$9); print};'
-rw-r--r-- 1 was61 ... (2 Replies)
why does this not work?
#include <stdio.h>
#include <stdlib.h>
char getFileMode(char charChanger) {
char filetype; /*var to hold the value to be returned*/
filetype = charSetter; /*set filetype to "l" if it is a symlink*/
return filetype;
}
int main(void){
char... (8 Replies)
When the STL generic algorithm's merge() function is used to merge two char arrays, the output is not as expected. Below is the program I tried with.
#include <iostream>
#include <algorithm>
#include <cstring>
#include <deque>
#include <iterator>
using namespace std;
int main() {
... (3 Replies)
As this function returns the address of the string corressponding to the errno value provided to it. Can someone please let me know where, in the memory, it could be (on freeBSD).
The MAN page tells under the BUG section that "For unknown error numbers, the strerror() function will return its... (5 Replies)
I am trying to split a tab-delimeted file using awk after the second _ in bold. The awk below is close but splits on the first _, and I am not sure how to use the second _. Thank you :).
file
chr1 92145889 92149424 NM_001195684_exon_0_10_chr1_92145900_r 0 -
chr1 92161218 ... (4 Replies)
Hi,
I am having script which contains many functions. Need to print each function name at the starting of the function. Like below,
functionname()
{
echo "functionname"
commands....
}
I've tried like below,
func=`grep "()" scriptname | cut -d "(" -f1`
for i in $func
do
nawk -v... (4 Replies)
I am passing a char* to the function "reverse" and when I execute it with gdb I get:
Program received signal SIGSEGV, Segmentation fault.
0x000000000040083b in reverse (s=0x400b2b "hello") at pointersExample.c:72
72 *q = *p;
Attached is the source code.
I do not understand why... (9 Replies)
Discussion started by: jose_spain
9 Replies
LEARN ABOUT SUSE
trek
TREK(6) BSD Games Manual TREK(6)NAME
trek -- trekkie game
SYNOPSIS
trek [[-a] file]
DESCRIPTION
trek is a game of space glory and war. Below is a summary of commands. For complete documentation, see Trek by Eric Allman.
If a filename is given, a log of the game is written onto that file. If the -a flag is given before the filename, that file is appended to,
not truncated.
The game will ask you what length game you would like. Valid responses are ``short'', ``medium'', and ``long''. You may also type
``restart'', which restarts a previously saved game. You will then be prompted for the skill, to which you must respond ``novice'',
``fair'', ``good'', ``expert'', ``commodore'', or ``impossible''. You should normally start out with a novice and work up.
In general, throughout the game, if you forget what is appropriate the game will tell you what it expects if you just type in a question
mark.
AUTHOR
Eric Allman
SEE ALSO
/usr/share/doc/bsd-games/trek.me
COMMAND SUMMARY
abandon
capture
cloak up/down
computer request; ...
damages
destruct
dock
help
impulse course distance
lrscan
move course distance
phasers automatic amount
phasers manual amt1 course1 spread1 ...
torpedo course [yes] angle/no
ram course distance
rest time
shell
shields up/down
srscan [yes/ no]
status
terminate yes/no
undock
visual course
warp warp_factor
BSD December 30, 1993 BSD
02-13-2014
