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some sytem scripts

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This commit is contained in:
Marina Wahl 2014-07-05 18:22:01 -04:00
parent 4b0a965e4a
commit 5852171b21
25 changed files with 639 additions and 1 deletions
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16
shell_scripts/lessons/while_loop_example.sh Executable file
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#!/bin/sh
# script to test while statement
if [ $# -eq 0 ] # note the spaces
then
echo "Error, missing argument!"
exit 1
fi
n=$1
i=1
while [ $i -le 10 ]
do
echo "$n * $i = `expr $i \* $n`"
i=`expr $i + 1`
done