toolbox/edit-user-email.sh

   1 #!/bin/sh
   2
   3 . @basedir@/shlib.sh
   4
   5 if [ -z "$1" -o -z "$2" -o -z "$3" ]; then
   6         echo "Syntax: ./edit-user-email.sh <username> <old e-mail> <new e-mail>"
   7         exit 1
   8 fi
   9 ETC="$cfg_chroot/etc"
  10 COUNT=`grep -E -c "^$1:" $ETC/passwd`
  11 if [ "$COUNT" -ne "1" ]; then
  12         echo "fatal: user '$1' doesn't appear to exist (or exists multiple times, or contains regexpy characters)."
  13         exit 1
  14 fi
  15 sed -i "s/^$1\(:[^:]*:[^:]*:[^:]*:\)$2:/$1\\1$3:/; t show; b; : show; w /dev/stderr" $ETC/passwd
  16 echo "All changed lines listed above."