~dricottone/my-utils

ref: 596d0a2530fc8b5bedf46eb7d9282766a2046ac2 my-utils/core/debom -rwxr-xr-x 767 bytes
596d0a25Dominic Ricottone Help and usage messages 2 years ago
                                                                                
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#!/bin/bash

name="debom"
version="1.1"
read -r -d '' help_message <<-EOF
	Remove BOM from a target file
	Usage: debom [OPTIONS] TARGET
	Options:
	 -h, --help            print this message and exit
	 -q, --quiet           suppress error messages and prompts
	 -v, --verbose         show additional messages
	 -V, --version         print version number and exit
EOF

source /usr/local/lib/mylib.bash
. /usr/local/lib/myparse.bash

# error if no filenames given
if [[ ${#positional[@]} -eq 0 ]]; then
  usage_msg
fi

code=0
for filename in "${positional[@]}"; do
  if [ ! -f "$filename" ]; then
    nonfatal_error_msg "No such file '$filename'"
    code=1
  elif ! /usr/bin/sed '1s/^\xEF\xBB\xBF//' < "${filename}" 2>/dev/null; then
    code=1
  fi
done

exit "$code"