Linux Shell Scripting Bootcamp

Reading and writing files interactively

This next script is similar to one in Chapter 5, Creating Interactive Scripts. It reads the file specified, displays a form, and allows the user to edit and then save it:

Chapter 7 - Script 6

#!/bin/sh # 6/2/2017 # Chapter 7 - Script 6 trap catchCtrlC INT # Initialize the trap # Subroutines catchCtrlC() { move 13 0 savefile movestr 23 0 "Script terminated by user." echo "" # carriage return exit 0 } cls() { tput clear } move() # move cursor to row, col { tput cup $1 $2 } movestr() # move cursor to row, col { tput cup $1 $2 echo -n "$3" # display string } checktermsize() { rc1=0 # default is no error if [[ $LINES -lt $1 || $COLUMNS -lt $2 ]] ; then rc1=1 # set return code fi return $rc1 } init() # set up the ...