ansible replace & add some word char & unique remove duplicate lines

replace-unique.md

https://www.php.net/manual/zh/regexp.reference.assertions.php

https://www.linuxquestions.org/questions/programming-9/ansible-how-to-remove-duplicate-lines-4175654440/

replace-unique.sh

# https://www.php.net/manual/zh/regexp.reference.assertions.php
# https://www.linuxquestions.org/questions/programming-9/ansible-how-to-remove-duplicate-lines-4175654440/

# 补一些缺失的词
ansible busserv --become -m replace  -a '
    path=/var/spool/cron/root
    regexp="CmdLog/(?!new/)"
    replace="CmdLog/new/"
'

# 文件备份
ansible busserv --become -m copy -a '
    src=/var/spool/cron/root
    dest=/tmp/root_cron_backup_3
    remote_src=yes
'

# 文件内对行去重
# awk '!a[$0]++' source > uniqued_a2 | \cp -f uniqued_a2 source
ansible busserv --become -m shell -a '
awk '\''!a[$0]++'\'' /var/spool/cron/root > /tmp/root_cron_uniq_3 | \cp -f /tmp/root_cron_uniq_3 /var/spool/cron/root
'