UNIX for Dummies Questions & Answers

#!/usr/bin/env sh

# @(#) a1       Demonstrate awk toupper function.

set -o nounset
echo

## Use local command version for the commands in this demonstration.

echo "(Versions displayed with local utility \"version\")"
version >/dev/null 2>&1 && version bash awk

echo

# Use nawk or /usr/xpg4/bin/awk on Solaris.

cat >data1 <<'EOF'
Test.doc|This is a Test|test1|tes,t2|test-3
Test2.pdf|This is a Second Test| test1|tes,t2|t-est3
EOF

FILE=${1-data1}

echo
echo " Input file $FILE:"
cat $FILE

echo
echo " Results from awk:"
awk -F '|' '
/.doc/ {print toupper($2)}
' $FILE

exit 0

% ./a1

(Versions displayed with local utility "version")
GNU bash 2.05b.0
GNU Awk 3.1.4


 Input file data1:
Test.doc|This is a Test|test1|tes,t2|test-3
Test2.pdf|This is a Second Test| test1|tes,t2|t-est3

 Results from awk:
THIS IS A TEST