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Full Discussion: expr: An integer value was expected
Top Forums Shell Programming and Scripting expr: An integer value was expected Post 302581142 by ramkiran77 on Monday 12th of December 2011 07:34:04 AM
Old 12-12-2011
expr: An integer value was expected
Hi,

I am trying to execute a simple script as below to compare a value from a file and copy that line based on a condition.

Code:
while read line
do
code_check = `expr substr "$line" 6 1`

if [$code_check -eq '*']; then
    echo "${line}" >> /temp/bill/push_updated.dat
else
    echo "line ignored"
fi
done < /temp/bill/push.dat > /temp/bill/push_log

but when i am trying to execute the script, i am getting the below error message.

Code:
expr: An integer value was expected.

test_script_push.sh[9]: test: A ] character is missing.

Can somebody please correct me where i am doing the mistake.
Last edited by methyl; 12-12-2011 at 08:35 AM.. Reason: please use code tags
 

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LEARN ABOUT V7

set_color

set_color(1)							       fish							      set_color(1)

NAME

       set_color - set_color - set the terminal color

set_color - set the terminal color
   Synopsis
       set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR]

   Description
       Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple,
       cyan, white and normal.

       o -b, --background Set the background color

       o -c, --print-colors Prints a list of all valid color names

       o -h, --help Display help message and exit

       o -o, --bold Set bold or extra bright mode

       o -u, --underline Set underlined mode

       o -v, --version Display version and exit

       Calling set_color normal will set the terminal color to whatever is the default color of the terminal.

       Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey
       font color, while set_color --bold white will result in a white font color.

       Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator.

       set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and
       incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of
       ncurses and recompile fish against it in order to fix this issue.

Version 1.23.1							  Sun Jan 8 2012						      set_color(1)
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