You could look into using grep instead of the second for loop. I probably would be more efficient then a shell for loop, and it would help eliminate a few lines.
Hi,
I have this following script below. Its searching a log file for 2 string and if found then write the strings to success.txt and If not found write strings to failed.txt . if one found and not other...then write found to success.txt and not found to failed.txt.
I want to optimize this... (3 Replies)
can we optimize this command ?
sed 's#AAAA##g' /study/i.txt | sed '1,2d' | tr -d '\n\' > /study/i1.txt;
as here i am using two files ...its overhead..can we optimise to use only 1 file
sed 's#AAAA##g' /study/i.txt | sed '1,2d' | tr -d '\n\' > /study/i.txt;
keeping them same but it... (9 Replies)
#!/usr/bin/perl
use strict;
use warnings;
use Date::Manip;
my $date_converted = UnixDate(ParseDate("3 days ago"),"%e/%h/%Y");
open FILE,">$ARGV";
while(<DATA>){
my @tab_delimited_array = split(/\t/,$_);
$tab_delimited_array =~ s/^\ =~ s/^\-//;
my $converted_date =... (2 Replies)
Hi,
I have to assign a value for a varaiable based on a Input. I have written the below code:
if
then
nf=65
elif
then
nf=46
elif
then
nf=164
elif
then
nf=545
elif
then
nf=56
elif
then (3 Replies)
Here is my code. What it does is it reads an input file (input.txt which contains roughly 2,000 search phrases) and searches a directory for files that contains the search phrase. The directory contains roughly 1900 files and 84 subdirectories. The output is a file (output.txt) that shows only the... (23 Replies)
Hello,
I'm wondering if there is a quicker way of doing this.
Here is my mv script.
d=/conversion/program/out
cd $d
ls $d > /home/tempuser/$$tmp
while read line ; do
a=`echo $line|cut -c1-5|sed "s/_//g"`
b=`echo $line|cut -c16-21`
if ;then mkdir... (13 Replies)
Hi guys,
I feel a bit comfortable now doing bash scripting but I am worried that the way I do it is not optimized and I can do much better as to how I code.
e.g.
I have a whole line in a file from which I want to extract some values.
Right now what I am doing is :
STATE=`cat... (5 Replies)
Hi All,
I have written a new script to check for DB space and size of dump log file before it can be imported into a Oracle DB.
I'm relatively new to shell scripting.
Please help me optimize this script further. (0 Replies)
Discussion started by: narayanv
0 Replies
LEARN ABOUT OSX
md
md(1) BSD General Commands Manual md(1)NAME
md -- process raw dependency files produced by cpp -MD
SYNOPSIS
md [-d] [-f] [-m makefile] [-u makefile] [-o outputfile] [-v] [-x] [-D c|d|m|o|t|D]
DESCRIPTION
The md command basically does two things:
Process the raw dependency files produced by the cpp -MD option. There is one line in the file for every #include encountered, but there are
repeats and patterns like .../dir1/../dir2 that appear which should reduce to .../dir2. md canonicalizes and flushes repeats from the depen-
dency list. It also sorts the file names and "fills" them to a 78 character line.
md also updates the makefile directly with the dependency information, so the .d file can be thrown away (see d option). This is done to
save space. md assumes that dependency information in the makefile is sorted by .o file name and it procedes to merge in (add/or replace [as
appropriate]) the new dependency lines that it has generated. For time efficiency, md assumes that any .d files it is given that were cre-
ated before the creation date of the "makefile" were processed already. It ignores them unless the force flag [f] is given.
FLAG SUMMARY -D c|D|d|m|o|t
Specify debugging option(s):
c show file contents
D show very low level debugging
d show new dependency crunching
m show generation of makefile
o show files being opened
t show time comparisons
-d Delete the .d file after it is processed
-f Force an update of the dependencies in the makefile, even if the makefile is more recent than the .n file. (This implies that md has
been run already.)
-m makefile
Specify the makefile to be upgraded. The defaults are makefile and then Makefile.
-o outputfile
Specify an output file (other than a makefile) for the dependencies.
-u makefile
Like -m, but the file will be created if necessary.
-v Set the verbose flag.
-x Expunge old dependency information from the makefile.
SEE ALSO make(1)BUGS
Old, possibly not used by anyone.
HISTORY
The md utility was written by Robert V. Baron at Carnegie-Mellon University.
BSD June 2, 2019 BSD