Help requested for a script with sed

Shell Programming and Scripting
1

Hello Folks,
I would very much appreciate if I could get help/suggestions on a particular sed usage. I have to write a script to take version info from a version file, compute the image name, print error if the image does not exist.
The version file looks like below:

"

#
# version.cfg
#
version =   4.2.1.1.10  # 
"

The script seems to get the image name right but does not expand correctly in "ifeq ($(wildcard $(IMAGE_FILE)), )"

This is what I get:
"
IMAGE_FILE = ./images/release-4.2.1.1.10.tar.gz 
Makefile:19: *** No image file "./images"/release-`grep version ./version.cfg | grep "=" | cut -d'=' -f2 | sed -e 's/#.*//' -e 's/[ ^   ]*//' -e 's/\ .*//'`.tar.gz.  Stop.
"

This is my script:
==================
"
.PHONY: chkImage
VERSION_FILE := ./version.cfg
ifeq ($(wildcard $(VERSION_FILE)),)
    $(error $(nl-ht)No Version File $(VERSION_FILE) Exists) 
endif
ImageRoot := "./images"
Version := `grep version $(VERSION_FILE) | grep "=" | cut -d'=' -f2 |   \
                    sed -e 's/\#.*//' -e 's/[ ^ ]*//' -e 's/\ .*//'`
Image := release-$(Version).tar.gz
IMAGE_FILE := $(ImageRoot)/$(Image)

all: chkImage

chkImage:
        @printf "IMAGE_FILE = $(IMAGE_FILE) \n"
ifeq ($(wildcard $(IMAGE_FILE)), )
    $(error $(nl-ht)No image file $(IMAGE_FILE))
endif
"

Your help in resolving this issue would be greatly appreciated.

2

If you want help with sed, please post only the sed part and the input to sed and the expected or wanted output.

3

Version := `grep version $(VERSION_FILE) | grep "=" | cut -d'=' -f2 | \
sed -e 's/\#.//' -e 's/[ ^ ]//' -e 's/\ .*//'`
Image := release-$(Version).tar.gz
IMAGE_FILE := $(ImageRoot)/$(Image)

The variable IMAGE_FILE does not seem to expand when I do:

$(error No image file $(IMAGE_FILE))

I get:
"No image file "./images"/release-`grep version ./version.cfg | grep "=" | cut -d'=' -f2 | sed -e 's/#.//' -e 's/[ ^ ]//' -e 's/\ .*//'`.tar.gz"

What should I do to effect immediate expansion?

Thanks.

4

wouldn't your use of single-quotes make them literal strings?

try to use double-quotes around your sed -e scripts and be sure to escape accordingly for other reg expresssion chars, such as asterisk (ie, sed -e "s/\#.\*//" )