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~parinporecha/gtg/set-date-via-calendar 

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#!/bin/bash

if [ ! $# -eq 1 ]; then 
    echo "usage: $0 <man_file_path>"
    exit 1
fi
if [ ! -x "`which groff`" ]; then
    echo "please install groff"
    exit 2
fi

groff -Tascii -man $1 | more