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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <style> | |
| body { | |
| max-width: 800px; | |
| margin: 0 auto; | |
| } | |
| h1 { | |
| text-align: center; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1>Yup.</h1> | |
| </body> | |
| </html> |
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| #!/bin/bash | |
| if [ "$#" != "1" ]; then | |
| echo "not enough arguments supplied" | |
| exit 1 | |
| fi | |
| curl -I -s $1 > headers.txt | |
| etag=$(sed '/etag/!d;s/^etag: //;s/"//g; s/\r//g' headers.txt) | |
| #last modified date, storing as well, just in case something unexpected happens with the etag | |
| lm=$(sed '/last-modified/!d;s/^last-modified: //; s/\r//g' headers.txt) | |
| etag="$lm; $etag" | |
| # file where the etag will have been stored | |
| f_etag="etag.txt" | |
| if [ -f "$f_etag" ]; then | |
| read -r old_etag < "$f_etag" | |
| if [ "$etag" != "$old_etag" ]; then | |
| echo "Ahh sneaky buggers, they changed it~!" | |
| echo "Old etag was $old_etag" | |
| echo "New etag is $etag" | |
| echo "Will be overwriting now..." | |
| echo "$etag" > "$f_etag" | |
| cp changed.html index.html | |
| exit | |
| else | |
| echo "Must've been the wind." | |
| fi | |
| else | |
| echo "First time setting up the script! So we're gonna write the etag file :)" | |
| echo "$etag" > "$f_etag" | |
| fi | |
| cp unchanged.html index.html |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <style> | |
| body { | |
| max-width: 800px; | |
| margin: 0 auto; | |
| } | |
| h1 { | |
| text-align: center; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <h1>Nope.</h1> | |
| </body> | |
| </html> |
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