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- #!/bin/bash
- [ $# -eq 2 ] || exit 1
- [ -r "$1" -a -f "$1" ] || exit 2
- [[ $2 =~ ^.$ ]] || exit 3
- awk -F"$2" 'BEGIN{OFS=FS;}
- NF != 2 {print $0}
- NF == 2 {print $2,$1}' "$1"
- exit 0
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