Update cheatsheets

a2ping

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# a2ping
+
+> Convert images into EPS or PDF files.
+> More information: <https://manned.org/a2ping>.
+
+- Convert an image to PDF (Note: Specifying an output filename is optional):
+
+`a2ping {{path/to/image.ext}} {{path/to/output.pdf}}`
+
+- Compress the document using the specified method:
+
+`a2ping --nocompress {{none|zip|best|flate}} {{path/to/file}}`
+
+- Scan HiResBoundingBox if present (defaults to yes):
+
+`a2ping --nohires {{path/to/file}}`
+
+- Allow page content below and left of the origin (defaults to no):
+
+`a2ping --below {{path/to/file}}`
+
+- Pass extra arguments to `gs`:
+
+`a2ping --gsextra {{arguments}} {{path/to/file}}`
+
+- Pass extra arguments to external program (i.e `pdftops`):
+
+`a2ping --extra {{arguments}} {{path/to/file}}`
+
+- Display help:
+
+`a2ping -h`