UNIX for Dummies Questions & Answers

#!/bin/ksh

Input_Dir="$HOME/input"
Output_Dir="$HOME/out"

rm -f $Output_Dir/*
for file in `ls $Input_Dir`  # If the input directory contains only files
# for file in `ls -l $Input_Dir | grep '^-' | awk '{print $9}'` #Only files in Dir
do
        new_file=${file%%_*}
        wc -l $Input_Dir/$file | awk '{ print $1}' | read line_count
        sed "1d;$line_count""d" $Input_Dir/$file > $Output_Dir/$new_file.txt
        touch -r $Input_Dir/$file $Output_Dir/$new_file.txt
done
exit

mInDir='/Input/'
mOutDir='/Output/'
mFileExp='input*.txt'
for mFile in `find ${mInDir} -type f -name "${mFileExp}"`
do
  mFName=`echo ${mFile} | sed 's/.*\(input.*\)_20.*txt/\1/'`
  mOutFile=${mOutDir}${mFName}'.txt'
  sed '1d;$d' ${mFile} > ${mOutFile}
  rm -f ${mFile}
done

#!/bin/ksh
mInDir=$1       ## Parameter one
mOutDir=$2     ## Parameter two
mDTimeExp='_[0-9]\{8\}.[0-9]\{6\}.txt'
ls ${mInDir} | grep $mDTimeExp | \
while read mFile
do
  mFName=`echo ${mFile} | sed "s/\(.*\)${mDTimeExp}/\1/"`
  mOutFile=${mOutDir}${mFName}'.txt'
  sed '1d;$d' ${mFile} > ${mOutFile}
  rm -f ${mFile}
done