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Top Forums Shell Programming and Scripting If statement fails with integer expression expected Post 302992959 by Don Cragun on Friday 3rd of March 2017 07:03:10 PM
Old 03-03-2017
Quote:
Originally Posted by vgersh99
well.... that tells me that your curl ... | grep ... | cut ... is not returning what you think it's returning.
You need to debug how the htcount is derived.

Oh no, hang on - this doesn't make much sense... the echo "[${htcount}]" is supposed to return the value inside [], but it isn't.
The issue is somewhere else.
Add set -x at the top of your script and see what comes out.
And change

echo "[${htcount}]" to echo "htcount->[${htcount}]"
No. What you're seeing is evidence that the output from the curl command is using DOS <carriage-return><newline> line terminators instead of UNIX <newline> line terminators. The echo output is showing that htcount has been set to "1<cr>" (where <cr> is a carriage return character). Since <cr> is not a numeric character, the test utility is complaining that "${htcount}" expands to a non-numeric string that is not valid in an operand of the binary -ge test operator. Note that an easier way to see this is to use:
Code:
printf '%s' "$htcount" | od -bc

Try adding:
Code:
tr -d '\r'

to the pipeline before or after the grep command.
This User Gave Thanks to Don Cragun For This Post:
 

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