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12-13-2001
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Is there a way scroll text instead of page?
Is there a way to slowly scroll the output of a file instead of page or cat ?
Instead of one page at a time, I would like to slowly scroll the displayed output of the file. |
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12-14-2001
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Well, instead of using more, you can use less, if it's installed on your box.
You could also use more, and use the "j" and "k" keys to scroll line-by-line up and down. Hope that helps. |
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12-14-2001
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more won't work for me.
I want the screen to scroll through the text automatically without keyboard intervention for the duration of the display. I didn't know if it was possible to do that or not.
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12-14-2001
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How would a filter be done with tail?
How would I do that?
Just another brainstorming idea but, would I be able to read a file only say 5 lines at a time, and then sleep for 1 second before reading the next 5 lines? That may be an option but I am unsure How I would do that. Suggestions anyone? Thanks, |
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12-18-2001
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Well, five at a time, then sleep for one second was a little too fast for me, but feel free to change it to what you need:
Code:
#!/bin/sh
if [ "$#" -ne "1" ]; then
echo
echo "Usage: `basename $0` /path/to/text/file"
echo
exit 1
fi
if [ ! -f "$1" ]; then
echo
echo "File does not exist!"
echo
exit 2
fi
Line_total=`wc -l $1 | awk '{print $1}'`
Line_end=5
##
## See the next post for a fix to this
## next piece. Important!
##
until [ "$Line_end" -ge "$Line_total" ];
do
head -n${Line_end} $1 | tail -n5
Line_end=`expr ${Line_end} + 5`
sleep 4
done
Last edited by LivinFree; 12-18-2001 at 02:13 AM. |
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12-18-2001
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Oops
Oops, I'm a bonehead...
The line: until [ "$Line_end" -ge "$Line_total" ]; should have a "-gt" in the middle, not a "-ge"... It could cause you not to get the full results of the file... Also, head may (depending on your system) have a hard-limit set. You may not be able to use this script with files over a certain length (I think it's 500 lines on some systems)... Still, hope it helps... |
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