#!/bin/bash# from.sh#  Emulates the useful "from" utility in Solaris, BSD, etc.#  Echoes the "From" header line in all messages#+ in your e-mail directory.MAILDIR=~/mail/*               #  No quoting of variable. Why?GREP_OPTS="-H -A 5 --color"    #  Show file, plus extra context lines                               #+ and display "From" in color.TARGETSTR="^From"              # "From" at beginning of line.for file in $MAILDIR           #  No quoting of variable.do  grep $GREP_OPTS "$TARGETSTR" "$file"  #    ^^^^^^^^^^              #  Again, do not quote this variable.  echodoneexit $?#  Might wish to pipe the output of this script to 'more' or#+ redirect it to a file . . .