fix: Fix escaped slashes when passing an input to command

[arjankowski]

Fix for #485

[coveralls]

Pull Request Test Coverage Report for Build 5793919320

• 17 of 17 (100.0%) changed or added relevant lines in 15 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.04%) to 86.45%

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Totals
Change from base Build 5600497919:	0.04%
Covered Lines:	4136
Relevant Lines:	4633

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💛 - Coveralls