|^^|
source:
http://ryanstutorials.net/bash-scripting-tutorial/bash-input.php
code:
#!/bin/bash
# A basic summary of sales report
# source: http://ryanstutorials.net/bash-scripting-tutorial/bash-input.php
echo Here the summary of the sales report
echo ====================================
echo
cat /dev/stdin | cut -d' ' -f 2,3 | sort
practice file:
cat salesdata.txt
Fred apples 20 January 4
Sussy oranges 5 January 7
Mark Watermelons 12 January 10
Terry peaches 7 January 15
execute the command:
[rex@ssi bash-sales_report]$ cat salesdata.txt | sh summary.sh
Here the summary of the sales report
====================================
apples 20
oranges 5
peaches 7
Watermelons 12
eof