iimage: replace egrep usage with grep -E
authorMichael Prokop <mika@grml.org>
Wed, 7 Sep 2022 11:56:57 +0000 (13:56 +0200)
committerMichael Prokop <mika@grml.org>
Wed, 7 Sep 2022 11:56:57 +0000 (13:56 +0200)
commit454a3e508881316131b82651fd11a3aaf4648c52
treeb32f757ae13353a3109ca1527a6aada4fcf7a1da
parent988a63311fe3f1c7516395a53656dde1d2cc122e
iimage: replace egrep usage with grep -E

grep 3.8 deprecated support for egrep + fgrep, and now prints a warning on stderr:

| egrep: warning: egrep is obsolescent; using grep -E
| fgrep: warning: fgrep is obsolescent; using grep -F
usr_bin/iimage