Shell Programming and Scripting

32323   4.2
12121   1.4

kol=$(cut -f1 $1 | tr 0-9 A-J)

$ cat file.txt
32323 4.2
12121 1.4
$ cat file.txt | tr 0-9 A-J
DCDCD E.C
BCBCB B.E
$ cat file.txt | tr 0-9 A-J > file2.txt
$ cat file2.txt
DCDCD E.C
BCBCB B.E

AABDA    2.5

32323   4.2
12121   1.4

MY FILE:
1112  2.5
2222  3.0
0555  9.0

OUTPUT:
BBBC  2.5
DDDD  3.0
AFFF  9.0

#!/bin/bash
file=$1
shift

if [[ ! -f $file ]]; then
        echo "Plik $file nie istnieje."
        exit
fi

k=0
for x in `gawk "{print}" $file`; do
        if [[ $k == 0 ]]; then
                echo -n "`echo " $x" | tr [0-9] [A-J]` "
                k=1
        else
                echo " $x"
                k=0
        fi
done

while read A B REST; do echo -n $A | tr '0-9' 'A-J'; echo " " $B; done < file
BBBC  2.5
CCCC  3.0
AFFF  9.0

awk '
BEGIN {	t["0"] = "A"; t["1"] = "B"; t["2"] = "C"; t["3"] = "D"; t["4"] = "E";
	t["5"] = "F"; t["6"] = "G"; t["7"] = "H"; t["8"] = "I"; t["9"] = "J";
}
{	x = " "
	for(i = 1; i <= length($1); i++)
		x = x (((f = substr($1, i, 1)) in t) ? t[f] : f)
	printf("%s  %s\n", x, $2)
}' file

awk 'BEGIN{t["0"]="A";t["1"]="B";t["2"]="C";t["3"]="D";t["4"]="E";t["5"]="F";t["6"]="G";t["7"]="H";t["8"]="I";t["9"]="J";}{x=" ";for(i=1;i<=length($1);i++)x=x (((f=substr($1,i,1)) in t)?t[f]:f);printf("%s  %s\n",x,$2)}' file