df command always return 0% Post: 302373546

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1. Shell Programming and Scripting

Return value of piped command?

grep $SEARCH_STRING /etc/passwd | cut -d":" -f 1,5 I need to check the $? value of grep in the above. If I place a test for $? after the above piped command, it returns success status of grep piped to cut. How can I get the success status of grep alone?

2. UNIX for Dummies Questions & Answers

to pick up the Return Code ( RC) from the mailx command and return it to SAS uisng 's

Hi All, Can anyone please let me know the syntax / how to pick up the Return Code ( RC) from the mailx command and return it to SAS uisng 'system()' function and '${?}'. I am in a process to send the mail automatically with an attachment to bulk users. I have used 'Mailx' and 'Unencode'...

3. Shell Programming and Scripting

parsing return from cal command

Jim , Anyone I do not have GNU date Besides I am particularly interested in how one can parse the return from the cal command. Say do - cal 11 2008 - and parse out a given date, say the 8th and return that the 8th was Saturday. ( diffrentiating between S for Saturday and Sunday , also in the case...

4. AIX

Command return value in HMC

I have script runninn from cron pulling backup of hmc through nfs share ssh user@hmc "bkconsdata -r nfs -h <hostname> -l <nfs share> " This works perfect and I pull the backups regularly.. but problem Now I need to enhance the script, like take action if a backup fails.. "How do I...

5. Shell Programming and Scripting

Find command return type

Hi all does find command return anything if the file to be searched is not found? Like if I search from a file in a dir does it return false or null if the file is not found? Please suggests.

6. UNIX for Dummies Questions & Answers

Command does not want to return on ssh

Hi, I am trying to use this command to backup my remote server: ssh ftp nice -19 bru -cXiAf mail-02:/dev/nst1 /etc When I run I get: connect to address 205.150.86.5 port 544: Connection refused connect to address 205.150.86.5 port 544: Connection refused trying normal rsh...

7. Shell Programming and Scripting

How to store the return value of a command into a variable?

I want to store the return value of grep -c string filename into a variable, say count. How do I do that? For example if grep -c "string" "filename" shows 0 on executing it in the sh shell then I want to store this 0 in a variable. Is it possible? :D

8. UNIX for Dummies Questions & Answers

Select Command - return

Hello everyone, A simple question which may have a suggested solution: I am using, and loving, the select command in a ksh93 script on AIX 6.1 to present users with menus. I have been successful in controlling all of key input by the users, I still have an issue with the RETURN key. When the...

9. Shell Programming and Scripting

How to return a message after command runs?

I have a script like this: echo "enter filername in lowercase" read -e filername exec 2>&1 echo "type the start date in format MM/DD/YYYY" read -e startdate exec 2>&1 echo "enter the end date in format MM/DD/YYYY" ...

10. Red Hat

Displaying command return in one line

Hello all I have a query (SQL) that returns a rather long field from an Oracle database. The field in question is defined on 400 characters but all these 400 cannot be displayed by the echo command. Thus when I launch the following command: echo "SELECT FIELD01 FROM TABLE_NAME;" | sqlplus -s...

LEARN ABOUT OPENSOLARIS

ppmtopgm

ppmtopgm(1)                                                   General Commands Manual                                                  ppmtopgm(1)

NAME

       ppmtopgm - convert a portable pixmap into a portable graymap

SYNOPSIS

       ppmtopgm [ppmfile]

DESCRIPTION

       Reads  a  portable  pixmap  as  input.  Produces a portable graymap as output.  The output is a "black and white" rendering of the original
       image, as in a black and white photograph.  The quantization formula used is .299 r + .587 g + .114 b.

       Note that although there is a pgmtoppm program, it is not necessary for simple conversions from pgm to ppm , because any  ppm  program  can
       read  pgm  (and  pbm  ) files automatically.  pgmtoppm is for colorizing a pgm file.  Also, see ppmtorgb3 for a different way of converting
       color to gray.  And ppmdist generates a grayscale image from a color image, but in a way that makes it easy to differentiate  the  original
       colors, not necessarily a way that looks like a black and white photograph.

QUOTE

       Cold-hearted orb that rules the night
       Removes the colors from our sight
       Red is gray, and yellow white
       But we decide which is right
       And which is a quantization error.

SEE ALSO

       pgmtoppm(1),ppmtorgb3(1),rgb3toppm(1),ppmdist(1),ppm(5),pgm(5)

AUTHOR

       Copyright (C) 1989 by Jef Poskanzer.

                                                                   10 April 2000                                                       ppmtopgm(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Return value of piped command?

Discussion started by: krishmaths

2. UNIX for Dummies Questions & Answers

to pick up the Return Code ( RC) from the mailx command and return it to SAS uisng 's

Discussion started by: manas6

3. Shell Programming and Scripting

parsing return from cal command

Discussion started by: dragrid

4. AIX

Command return value in HMC

Discussion started by: balaji_prk