csvviewer

来自「Excel reader library with source code」· 代码 · 共 43 行

#!/bin/bash
if [ "$1" == "" ]; then
    cat <<DONE
	PROGRAM DESCRIPTION
	semicolon separated (csv) file viewer
	USAGE
	    $0 FileName
	AUTHOR	
	Peter Borkuti, 2003.01.19
DONE
    exit 0
fi;

colnum=`tr -dc ';\n' < $1 | wc -L`		# Number of columns 
CELLPAD=2					# Extra spaces between cols
tabs[0]=0					# First tab pos for calculation

i=1
while [ $i -le $colnum ]; do
 colwidth=`grep ';' $1 |\
	   sed -e 's/[^;]*;\+$//' |\
	   cut -d';' -f"$i" |\
	   wc -L`
 prevtab=${tabs[$(( $i - 1 ))]}
 tabs[$i]=$(( $colwidth + $prevtab + $CELLPAD ))				
	  
 i=$(( $i + 1 ))
 
done

# Width of a column\
# Previous tab position\
# Extra spaces between columns

tabs[0]=''					# We don't need the 0 tab pos
tablist=`echo ${tabs[@]}| tr ' ' ','`		# Make a comma separated 
						# tab position list

# expand expands only tab characters, so we have to change csv delimiters
# to tab chars

tr ';' '\t' < $1| expand --tabs=$tablist