typeset VAR=""
awk '....' file | read VAR
echo $VAR
Standard output of awk lands on <stdout> like any other output too. You can treat it the same way, therefore: command substitution (like Scrutinizer mentioned), pipelines, redirection and whatever else you'd do with <stdout>.
HI all,
some more mistery about AWK, I hope you can help me out:
1)
I have a normal ksh script and sometime I call awk command. I set some variables in the script and I would like to use them up within AWK as well. Unfortunately AWK seems to forget all the variable values outside of its own... (1 Reply)
Hi,
I have a shell script with an ambedded awk script.
i need to pass a script variable to the awk script.
Please help.
Thanks in advance
Himani (3 Replies)
Hello experts,
can I return a value from gawk to a shell script ?
My script as follows,
#Here I want the num value to shell script so that I can use later
gawk '
{
split($0,num,",");
print num
}'
gawk -v no=$number '{print no}'
file1
... (3 Replies)
I am passing a varaible to from Shell to awk then I am doing some maniplation for that variable inside awk. I want that maniplated variable value back to shell , Is this possible .Please let me know. (12 Replies)
Hello Experts,
Actually I was searching for a solution here in this forum , but didn't get what exactly I want . Is this possible to do in awk ?
I am trying to do some thing like below in ksh script . Upto my knowledge I can pass shell script to awk with "-v " option.
But I... (3 Replies)
Read parameter from a text file with one line which stored the date value like 20080831; below is the awk command I used
gawk -F, "{getline RunDate;print $RunDate" text file
When print $RunDate, it display 20080831
Would like to pass this variable to another script to use but not... (6 Replies)
I know this topic has been dealt with previously, but the solutions I've seen don't work for me apparently.
I need to pass a variable defined in the shell to one in awk:
$ echo $var1
3
$ cat aaa
aaa 1
bbb 2
ccc 3
ddd 4
eee 5I've tried this, without success:
$ awk... (2 Replies)
Hi, all
suppose I have following myfile (delimited by tab)
aa bb
cc dd
ee ffand I have following awk command:
awk 'BEGIN{FS="\t"}{AwkArrayVar_1=$1;AwkArrayVar_2=$2};END{for(i=0; i<NR; i++) print i, AwkArrayVar_1, AwkArrayVar_2,}' myfileMy question is: how can I assign the awk array... (7 Replies)
Hello,
May i please know how do i pass the shell variable to awk expression in the below script. It is returning null
#!/bin/bash
UNINUM=720922
UNINUM_DESC=`awk -F'|' -v UNINUM=$2 '/UNINUM/ {print $4}' datafile`
echo $UNINUM_DESC
datafile
4|First|720194|asdasdad
4|First|720735|asdasdsa... (8 Replies)
I have a shell script (.sh) and I want to pass a parameter value to the awk command but I am getting exception, please assist.
diff=$1$2.diff
id=$2 new=new_$diff
echo "My id is $1"
echo "I want to sync for user account $id"
##awk command I am using is as below
cat $diff | awk... (2 Replies)
Discussion started by: Ashunayak
2 Replies
LEARN ABOUT REDHAT
mkoctfile
MKOCTFILE(1) General Commands Manual MKOCTFILE(1)NAME
mkoctfile - Compile dynamic-load modules for GNU Octave
SYNOPSIS
mkoctfile [-IDIR] [-DDEF] [-lLIB] [-LDIR] [-M|--depend] [-c] [-o FILE|--output FILE] [-p VAR|--print VAR] [-s|--strip] [-v|--ver-
bose] [-h|-?|--help] file ...
DESCRIPTION
mkoctfile is used to compile source C, C++ or Fortran source code in dynamically loadble file for octave(1).
OPTIONS
mkoctfile accepts the following options:
-IDIR Add include directory DIR to compile commands.
-DDEF Add definition DEF to compiler call.
-lLIB Add library LIB to link command.
-LDIR Add library directory DIR to link command.
-M|--depend
Generate dependency files (.d) for C and C++ source files.
-c Compile but do not link.
-o FILE|--output FILE
Output file name; default extension is .oct.
-p VAR|--print VAR
Print configuration variable VAR. Recognized variables are:
CPPFLAGS CPICFLAG
INCFLAGS CXX
F2C CXXFLAGS
F2CFLAGS CXXPICFLAG
F77 XTRA_CFLAGS
FFLAGS XTRA_CXXFLAGS
FPICFLAG SHLEXT
CC SH_LD
CFLAGS SH_LDFLAGS
-s|--strip
Strip the output file.
-v|--verbose
Echo commands as they are executed.
file Compile or linke file. Recognised file types are
.c C source
.cc C++ source
.C C++ source
.cpp C++ source
.f Fortran source
.F Fortran source
.o object file
.SH SEE ALSO
.BR octave (1).
AUTHOR
John W. Eaton <jwe@bevo.che.wisc.edu>
This manual page was contributed by Dirk Eddelbuettel <edd@debian.org> for the Debian GNU/Linux distribution but may be used by others.
GNU Octave 1 November 2002 MKOCTFILE(1)