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средства_программирования_shell
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средства_программирования_shell [2023/03/14 07:30] val [Целочисленный цикл (поиск хостов в подсети)] |
средства_программирования_shell [2025/03/10 10:06] (current) val [Передача сообщений в syslog] |
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| * [[http://mywiki.wooledge.org/BashFAQ|Часто задаваемые вопросы про bash (eng)]] | * [[http://mywiki.wooledge.org/BashFAQ|Часто задаваемые вопросы про bash (eng)]] | ||
| * [[https://habrahabr.ru/post/335960/|Играючи BASH'им]] | * [[https://habrahabr.ru/post/335960/|Играючи BASH'им]] | ||
| + | * [[https://unix.stackexchange.com/questions/159513/what-are-the-shells-control-and-redirection-operators|What are the shell's control and redirection operators?]] | ||
| * [[https://youtu.be/GxVmukxVUo0|Видео урок]] | * [[https://youtu.be/GxVmukxVUo0|Видео урок]] | ||
| Line 87: | Line 88: | ||
| #!/bin/sh | #!/bin/sh | ||
| - | test -z $1 && exit 1 | + | #test -z $1 && exit 1 |
| + | #[ "$1" ] || { echo Example: ./test_ping.sh 10.5.11; exit 1; } | ||
| i=1 | i=1 | ||
| Line 93: | Line 95: | ||
| do | do | ||
| test $i = 50 && continue | test $i = 50 && continue | ||
| - | ping -c 1 -W 1 $1.$i > /dev/null 2>&1 && echo $1.$i | + | ping -c 1 -W 1 $1.$i > /dev/null 2>&1 && echo $1.$i || echo No $i |
| i=$(($i + 1)) | i=$(($i + 1)) | ||
| done | done | ||
| Line 190: | Line 192: | ||
| <code> | <code> | ||
| - | $ cat log_gen.sh | + | bash -c 'cat <<END >log_gen.sh |
| - | </code><code> | + | |
| while : | while : | ||
| do | do | ||
| Line 197: | Line 198: | ||
| logger -t cisco -p local0.info "Message 2" | logger -t cisco -p local0.info "Message 2" | ||
| done | done | ||
| + | END' | ||
| </code><code> | </code><code> | ||
| - | $ sh cisco_log_gen.sh | + | $ sh log_gen.sh |
| </code> | </code> | ||
| ===== Примеры использования скриптов sh в системах загрузки ===== | ===== Примеры использования скриптов sh в системах загрузки ===== | ||
| Line 416: | Line 418: | ||
| # echo `date` OK $filename on `hostname` >> $log | # echo `date` OK $filename on `hostname` >> $log | ||
| echo -e "HTTP/1.1 200 OK\r" | echo -e "HTTP/1.1 200 OK\r" | ||
| - | echo -e "Content-Type: $(/usr/bin/file -bi \"$filename\")\r" | + | echo -e "Content-Type: $(/usr/bin/file -bi "$filename")\r" |
| echo -e "\r" | echo -e "\r" | ||
| /bin/cat "$filename" | /bin/cat "$filename" | ||
| else | else | ||
| - | # echo "$(date)" ERR $filename on "$(hostname)" >> $log | + | # echo "$(date)" ERR "$filename" on "$(hostname)" >> "$log" |
| echo -e "HTTP/1.1 404 Not Found\r" | echo -e "HTTP/1.1 404 Not Found\r" | ||
| echo -e "Content-Type: text/html;\r" | echo -e "Content-Type: text/html;\r" | ||
| Line 436: | Line 438: | ||
| ==== Ресурсы Web сервера на shell ==== | ==== Ресурсы Web сервера на shell ==== | ||
| <code> | <code> | ||
| - | # mkdir /var/www | + | # mkdir -p /var/www |
| # cat /var/www/index.html | # cat /var/www/index.html | ||
| Line 445: | Line 447: | ||
| </html> | </html> | ||
| </code><code> | </code><code> | ||
| - | # mkdir /var/www/img | + | # mkdir -p /var/www/img |
| </code> | </code> | ||
| Line 462: | Line 464: | ||
| * [[Сервис Asterisk#Asterisk AGI]] | * [[Сервис Asterisk#Asterisk AGI]] | ||
| + | |||
| + | ==== Отправка email с вложениями ==== | ||
| + | |||
| + | * [[https://serverfault.com/questions/38919/send-an-email-with-an-attached-file-using-telnet-or-netcat|Send an email with an attached file using telnet or netcat]] | ||
| + | |||
| + | <code> | ||
| + | $ cat mail.sh | ||
| + | </code><code> | ||
| + | #!/bin/sh | ||
| + | |||
| + | [ -f "$1" ] || { echo Example: ./mail.sh attach_file_name; exit 1; } | ||
| + | |||
| + | EMAIL="val@bmstu.ru" | ||
| + | MAILSERVER="mailhub.bmstu.ru" | ||
| + | FILENAME=$1 | ||
| + | |||
| + | { | ||
| + | sleep 2; | ||
| + | echo "EHLO $MAILSERVER"; sleep 1; | ||
| + | echo "MAIL FROM: <$EMAIL>"; sleep 1; | ||
| + | echo "RCPT TO: <$EMAIL>"; sleep 1; | ||
| + | echo "DATA"; sleep 1; | ||
| + | echo "To: $EMAIL" | ||
| + | echo "Subject: $FILENAME" | ||
| + | echo "MIME-Version: 1.0 (mime-construct 1.9)" | ||
| + | echo "Content-Type: $(/usr/bin/file -bi $FILENAME); name=\"$FILENAME\"" | ||
| + | echo "Content-Transfer-Encoding: base64"; | ||
| + | echo | ||
| + | cat $FILENAME | openssl base64; | ||
| + | echo '.'; | ||
| + | echo "QUIT"; | ||
| + | echo | ||
| + | } | nc $MAILSERVER 25 | ||
| + | </code> | ||
| ==== Использование диалоговых окон ==== | ==== Использование диалоговых окон ==== | ||
средства_программирования_shell.1678768240.txt.gz · Last modified: 2023/03/14 07:30 by val
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