Update cheatsheets

pamenlarge

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# pamenlarge
+
+> Enlarge a PAM image by duplicating pixels.
+> See also: `pbmreduce`, `pamditherbw`, `pbmpscale`.
+> More information: <https://netpbm.sourceforge.net/doc/pamenlarge.html>.
+
+- Enlarge the specified image by the specified factor:
+
+`pamenlarge -scale {{N}} {{path/to/image.pam}} > {{path/to/output.pam}}`
+
+- Enlarge the specified image by the specified factors horizontally and vertically:
+
+`pamenlarge -xscale {{XN}} -yscale {{YN}} {{path/to/image.pam}} > {{path/to/output.pam}}`