I wrote myself this small template as a starting place for when I’m writing shell scripts. I just wanted something basic with enough structure to remind me how I like to do things. I thought maybe it would be helpful for other people who don’t write shell scripts too often but want to them to be nice when they do.
#!/usr/bin/env bash
# Uncomment for error handling
# set -e # Exit immediately if a command exits with non-zero status
# trap 'echo "Error on line $LINENO"; exit 1' ERR
# trap 'echo "Script interrupted."; exit 130' INT
show_usage() {
echo "Usage: $0 ..."
}
process_item() {
local item="$1"
echo "Processing '$item'"
}
main() {
if [ $# -eq 0 ]; then
show_usage
exit 1
fi
# Your code here
for var in "$@"; do
process_item "$var"
done
}
main "$@"
Collin Donnell 