awk in a bash script drive me mad

jf.argentino · 10-29-2008, 10:06 AM

Hello,

I want to get the SVN repository URL from a directory, for this purpose I make:

Code:

URL=`svn info $LOCAL_DIR | grep URL | awk -F" : " ' { print $2 } '`

It works fine when called from a console, but if i put this line into a bash script file, it complains with:

Code:

./svn_diff_dir.sh: line 14:  awk: command not found

even if I replace awk with /bin/gawk (on fedora core 8 this is the "true" awk program)...

Could anybody point me the difference for executing this line into the script?

Thanks.

colucix · 10-29-2008, 10:30 AM

What if you put echo $PATH at the beginning of your script? Is the path of the awk executable displayed in the PATH seen by the script?

jf.argentino · 10-29-2008, 10:35 AM

Yes the path is OK

colucix · 10-29-2008, 10:50 AM

Please, can you post the script (or the first 20 lines of it)?

jf.argentino · 10-29-2008, 11:24 AM

Here is my script:

Code:

#! /bin/bash

LOCAL_DIR=$1
COMMENT="test"
USERNAME="--username jf.argentino"
PASSWORD="--password oseanjfa"

if [ -z $LOCAL_DIR ]; then
   LOCAL_DIR="."
fi

if [ ! -d $LOCAL_DIR ]; then
   echo "ERROR: $LOCAL_DIR isn't a directory"
   exit
fi

URL=`svn info $LOCAL_DIR | grep URL | awk  -F ' : ' ' { print $2 } '`

TEMP_DIR=`mktemp -d`

svn co $URL $TEMP_DIR

meld $LOCAL_DIR $TEMP_DIR

ADDED=`svn status $TEMP_DIR | grep ? | awk ' { print $2 } ' `
svn add $ADDED
svn commit $TEMP_DIR -m $COMMENT $USERNAME $PASSWORD

rm -rf $TEMP_DIR

svn update $LOCAL_DIR

A really strange thing is that the following line works:

Code:

ADDED=`svn status $TEMP_DIR | grep ? | awk ' { print $2 } ' `

So I think the problem is due to the "-F" argument, but for now I don't understand that much...

keefaz · 10-29-2008, 11:46 AM

There is a slight typo error on the first line, it shouldn't have space between #! and /bin/bash
(eg: #!/bin/bash)

abolishtheun · 10-29-2008, 12:22 PM

I think a space between the #! and /bin/bash is allowed... isn't it?

colucix · 10-29-2008, 01:02 PM

Indeed the space between #! and /bin/bash is allowed. If you try to put the following in a BASH script:

Code:

#! /usr/bin/python

it will spit out a python's error.

Regarding the "command not found" issue, the script seems correct, but what puzzles me is the error message:

Code:

./svn_diff_dir.sh: line 14:  awk: command not found

You should not have a double space between "14:" and "awk:". Maybe some control character has been written unintentionally? Have you tried to delete the entire line and rewrite it?

jf.argentino · 10-29-2008, 01:12 PM

Quote:

You should not have a double space between "14:" and "awk:". Maybe some control character has been written unintentionally? Have you tried to delete the entire line and rewrite it?

I just do that... And now what I've got is:

Code:

./svn_diff_dir.sh: line 17:  grep: command not found
./svn_diff_dir.sh: line 17:  awk: command not found

jf.argentino · 10-29-2008, 01:16 PM

Quote:

Maybe some control character has been written unintentionally?

How to loose one hour or two!!! I take a look to my script with an hexeditor, and there's strange characters into the line that I remove and now it work great!
I'm certainly too tired to pipe 3 different command into the same line without typo, and this twice !
By the way thank for your help

abolishtheun · 10-29-2008, 01:19 PM

what editor are you using? now I'm afraid my own code has random control characters embedded in it.

colucix · 10-29-2008, 01:23 PM

You're welcome!